0 

.. 

• REF ID:A6780 • 

Patented Sept. 21, uzt. f,608,753 

UNITED ST A TES PA TENT OFFICE • 

..... B :ao+•nx•w, cm' CBIOACIO, :u.LDl'OU. 

UDOD CD' OOJrl'BOi;i.J;WG-zr.JWA20BIL 

cAtl:autlaa fl ~letlal B\, 111,lOI, llt'4 .a.rD 1 .. IBM. "l'Jal1 a:ppllaatloa 1114 Aqut I, 1811. .............. ThJS mventlcm alatea to a ~ or emg or parking • tbo lo•"'termmMlon OI' 

method for controlling eleva~ and has for floer includiiw the-tune fOi -...loadiq with 

ate obJect to J?lOVule a proced111'8 winch will paangers, tli8 aierage number o£ at.ope be more eliment 1n uae than those winch made 1n either dinctlOll durmg vanous IO 

1 bave been heretofore pro~ ~rtioDS of a day, and the average number 

W1tb tlus and other otiJects 1n v1ew1 the of plsaen'81'8 m either duectJ.on durmg vamftlltJon COslSISts m the novel steps and r1ou :portions of a day Of these factors the 

eombmations of steps constJ.tullnJ the proc- first six are fixed and determmable, and the ~ all as will be moni fully hereiDafter du- :remainmg factors can be determmed ~ the • 

10 clo8ed and particularly pointed out m the method of determ1nmg averages. Ccinmdclaama. ., erat1on should be given to the number of eleTh1B mft.Dtion dlfers from those duiclosed vato1'8 in each bank 1n the building and when 

in the sole and Joint copendmg appncatums the r hove factors a1'8 taken into consuleraof Frank E Boardman, arid Trant E tion, then the total time reqwred for :a ro 

II Boardman, Jr,· Seual No 553,025 filed omr-elevator car to make a. complete ro 

•R!'ll 16, 1922, Sei'lal No 627,812 filed trip can be calculated, and tlus will be the 

lrl&rch 26, 1923, and Serial No 711,371 &led eJlicient schedule time for each car 

Ka_y 6, 1924, all' directed to e1eHtor con- 1t 1s of course to be UDderstood that at dJ.f. 

trol apparatus, in that, it relates to a method Iei'ellt portions of the 1da11 the amount oi 'II 

IO wh1cli may ot may not empJoy the apparatus trnflic. will 'ary 1n either d1rect1on In other 

of these said applications, ull as '"'11 a_Ppeo.1 wo1'Cls, m the early mormnghours, there will 

more fully he-reinafter Fmthe1, this ap- be a very heavy trdic m ~qp d1~on 

pbat1on constitutes a cont1nuut1on of the co- with piactically no traffic Ult : down dJrecI>_end1ng apphcataon of Frank E BoardIDnn, t1on At noon, and agam in he late after- ID 

II Serial -No 706,108 hied April 121 1924, noon or at office clnsmg time, the direction 

"Method of eontiollan,r elevatois" , of tr .1ftic w1U be l'e\ e1'Sed in volum~t or m , This method is d1rec.ted to 1ncreasmg the othe1 words, the traffic w1U be 1ie11viest • oa~mg capacity of a b.ink of elev1Lto1 cn1'9 10 tho down d1retbon 'v1tb practically no 

whieb are 1 unnmg below a normal or efti- traffic in· the ul> direction. Therefore ob- 11 

IO cient carrying capacity, nn1ho tins end m- sel"Vut1ons for ieLterment of traffic cond'9 

volves the oper11twn. nutomntu .1lh, of su1d bons will bl' ruade during vanous portion'& 

can on what may be rulle<l the most eco- of the do.y m order to meet the :qeecfs oi the 

DOIDlcal t..me schrdules That I'! to say, as se1'Vicc fo1 sDld ,J>O!t10ns of the day 

is well known different h11nks m gtuups of In oi'Cler to d1~losc a smtable npparatus IO 

16 elevators tn different lm1hl111~ 1eq1ure d1f- fo1 auto1nat1lll)ly cu1r)'mg1out tlus mctho<l 

ferent penods of tune to per tm m their va- <• f 1 onh'oll1ng 1•lcvato1"S 1 e ferenre 1s made to 

nous stops startml?R romul tllJ»!!, 1•tc, llnd the 1u.cun11mnvm;.r dt t\\m1-n:i fmmmg 1\ pnit 

therefore what unght be un econom1Ull m- of tlus '!(>ec1hl'11tmn, m "b1ch hke nm11e1als 

tenal of time bohv1•en the startmi.rs of the dl ... 1~1111te hl..e p11rt<1 111 1111 the Hl'"" ti 

co ears of a group of elevators m one l>mldmg J4'1g 1 1s a plnn '11•\\ of the l1b'"l1Ublecl elem1ght not be-an econom1c11.I mter\al of tune \11lor cuntroJlmg nu.•diunt<,m., 

for the startm• of thrtnni of n. group of Fur 2 ts an rn1I d1 ,,1r.011.1l \ll'\\ of the 

elevators in another bmldm~ Tht•111ff'Jrl' parts showu m I•'•;! 1 

this invention, when n1ore spei.,1fiu1lh shatocl, F1~ 8 is an erul 1•11•\ 1t111n,1I \ icw of the 100 

C3 may be s11d to involve a method of me.re.is- si•ll'c1.1ve element n ...... ,. 1t.•1I "1rh thl' wntact m~ the efficiency of a gronP. of elev11tors cyhmfor sho\\n m l• •!! ; 

which C0DB1sts m automatically controlling l!•1g • 1s 11 d1.1g1 1111111111< '1,,,, ~hem mg 

the same Irv aausu:i_g them to operatP on ho\\ o pluraht;> of 11111h1 II Ml h1 JOllll ti 01 

sched\lles det.P.rm1necl l1y wch factors ns the put toii:etht>r m orflP1 to Pnl.11..,'l• llw cnp.luty IOI 

llB height of the bmldm~~ speed bf tba elevat.Qt- ef the system, 

car, the acceleration of tlie elevator car, the Fil( 6 11 a sectmn 11 lJC\'t uf the 1"0tn1~ 

minimum time required to open and cl818 ~et eylmder, 

the shaft .doors at all the ftoors, the t11111• ~ii ls• puspectne view t>n1t11tlly l1roeach elevntor car consumt>.s m st.o1>pmg • 1 kern nway of thti coPtalt 11•emlJC1 1llushah.d 111 

-M parking at the top flot11 l>Pfore ats 1 et11111 111 F1g t; 

trJp, the t.t.me L'OlJSWlJOO UJ' eaLh clll' in Ht.op• Fig 'I 1s a sectional v1aw tabo on the lma 

roved for Release b NSA on 09-05-2013 ursuantt E .0. 1352 
• REF ID:A67800 

• 

7-7 of Fig b lookdtg ill t1le dim:taa of tlll btanng 28 a ahown The shaft T 11 1pl1ned 

vrowr'; - • at • 1 ucl the l!CnW lllf'mber 80 entel'R 

Fig 8 JS a aectumal 'rilnr tabn Giil tlle hM •d ap]me 11o -that ~wer trammutted to 

J--8 of Fig t IDCI looJang Ill tbe dlnalam lhaft. 1 will be tranam1tt•l tn llt'rew membPr 

I of the arrows, IO, to the mwtort~ niember 811 t.o the TO J'IC 8 11 a aectumal VllW tu.a aa the U.. ..., thl'llldlil1namli8r 321 t.1 the drum 28 ~ Of Fig. IS and Jookina Ill tU duec&iaa and llo tbe outer e1hndncal 111ember 111. 

of Ille arrows. The ~lmclar 8 11 thus rotatecl at the •me 

Fag 10 11 a ~t of tbe ~ ilpeld u 11 the lhnft T, while the shaft 7 

1CI nntcb o,f the 9llnder 1llutrat.ed. m l'ur. I ma, be lomntudanally ar1J11sted to chan~ fl 

lhcnnng the ~tlon of the 'Wini 'l.n the ~ of" ~lander 8 w1tl1011t 1nterfenna 

aontuta on md ~hnder, with the rotation of the part.a. hr 11 ii a :fiaamentUJ top plan 't'1IW Secund ~ t.U 1llla member 1 ud mof 11le contact qGDder aid 1t11 1mDC1at.td 1ulated theiefrom are the end. IDC!lllbel'I 88 

11 ~;and and M., an winch are located the ball bear- • ~ JI ia a. dlapam of the WlftJll of Qm lllp 118 U ahcnrn 1 IBDClated With the llltl 

lldhi ..=- member 83 11 the bracket 36, whtle a.oei1 ~ 1111table nppon or bue Med WJth the end llllll.lber M la the braekwhiab ID&1 lJe Jaciiateci at DJ.: OOll~t pol'- et 38, Seeand to t,be •1cfL~ate 815 a.J 

don of the ba1Jcbu1 u for ..,._. oa ~ 11 the contact carrymg "lllllmber 17 made • 

t1ie 8nt 8oor I nadlcatea •1 .-ile ·mo- of aualatang •tar11l, and 11eund to tbl 

tor urcmded with a clutch 8, u4 a Vlftll latter an a plunbty of aprmg contact 8n- th11.~ 4 Secure4 to •1d abaft & ia a aait- pre 88 for eaeh of wh1cb there 11 a c:or-

&bl11 dn~ na 1 u ' iOii"'8liF ~~ apnng eontnct finger 30, all u I iitli C!ifl'tactrthriit 'liiC- Will. be clftr from F1gu1'C!s Ii and 7 Each • 

aon -a waUi'llii' tu - of the contm fingera 80 1S l!C'.<.'Ul'ed to the 

iu e in- wsul&bng block 4-l GS by moans of the acnw 

d aae en ~Iha.ft T, u biit 1 ua- '2 and the contact terminal 48 

trated 1n l'Jmlftl I, 111 heel a _..., tm.d· 'J'he 01liuder 8 11 furtber proVlded with 

ecJ sleeve t, liy me&.D1 of tt.a..aarw memllen thti menlatlng chak-bke nng 44 m which DI 

10 ~ a pocrf!I 11 wliJ& wJ1.1ch l&J4 &ti tbe tb1mble-hke metaJlio member 41 proehaft is P.t"Jdid Surround.ms the aew YJde!i with two cam proJectlOD8 '8 having tb1l!&ded. ideeYe 9 IS a burled nut-like -.i- tbe deprem1on 4:71 thenbetweeu A lp!'IDg ber 11 n~d 1D the ~ member l& 4:8 abaltang lpJlllt the collar 4:9 loeatid on 

'rigid w1tti the frame membir 11 Saad the inner portion of the •uaadbK 4.S 1111d IOC 

aliove 9\ aee F~ 8, ii ~ro'rided with a eamed by the drum 97 eonatantly foreee the 

slot 1-8 into wb1ch en.ten the end 17 of a 1111111ber 16 towud..t,be.rqrht u aeon 1D l'ltracre" member 181 m~ to J!reft!lt ibe me I and th• bePa die flma fl m tfie 

1111d aJeey, from mrmng when tbt menlblr path of mo'Nllllllt ol the •r1ea of contacts 

4 18 18 turied Sud knurled nut 18 • pa'O- IO, With wluch the .. oater uundatins eyba- 111 

Vlded with the ahoulder !M> wluch 8m Gil oae m U II _proricled. 11de of the rmg member 14, and a locJng There IS a ~ aoatact IO for each ear 

d111k 21 llBCllnd to md nut 18, -&ta oa thi to be cuntrollt!cl, and each JUD ISO 11 conother 111.de of •id nng 14., eo that ;,Jule DICted. u bJ' 1 win 151 wltll a contact 19 

1&1d nut 18' 1a :free to tnrn1. 1t eumot IDOft located on the oat• c1reum-fennce of the 110 

longitadmally of the ahatt T, and tbale- qbadar a, - J'lplw ., 7 and 10. These 

fon 1ta motum eomlllll tald ah&ft 'I to 111"8 aad contaata II •::G1bl7 Jrra•ll _ m 

m • long1tudmaJ a1ncbon. Al• '8Cllllld ron clreamferen aro~ the cylinder 

to tbe 'lleive member I IS an mdic:atmi...... I, - do&ted hllel 901, and 902. Jt'1eber 22, adapted to coact with the llCiiale ~ an 10, ad for euh IOW .:of contacta ril Ill 

u beat shown in Fil8!8 1 Tllli OUlll&rllltlGli there 11 a apnq •• 18 aecured to the 

II IWih that, whmi tlJv b~ h8ae block 151 pf 111111Jated material, all u 

ber n II tuft!.8d."lliri&ift 'r'ii~ wtll be clear from the clnwmp. ..... 'aiimlal~e ~ J:Ota- Wit'h particular nference to Fgptrea G t.lali0tii5~11ie--t or.Ion- wl '· the bracJai& II pivot. ID tlUi IDDll' •• 

~cated0i1tlae aeala-18. That ~ 80 of tbe memm 88 ud 14: around .. 1M 1WfereDt. DlO'ft1111Dt1 of • aft T the Ull of •haft T a• ...... ., that the 

wm .... UNI the ddrennt epeeda at WJuch -=tar -~ pa.ece l'I 111&1 lie rola&ed 

11111 11hader 8 11 :rotated, • w.ill1,be 411ear alOllnd ..rd ahift to •- -.ch ecmtact 

fNaa till dnwfaaR. ~ mmialaer 18 to app a cont.ct 1111111ber II, •• 

The amtaet ejhndar 8 11 pnmded 'Wit.la in 1ta putlcular row of rontacbl at cli&rent 

tbe o1*r Menk ti, of U11Uliabg matma). JICl8lbOD8 u will ha clear from the clott.ed 

ltted ~ 'wo dnuDa 18 ~ '4 th!OUP IU111, J'Jnre 'l The~ of A ntawbich the ellaft T ~ ud thlae dnD111 t1on wJIJDe diacio.d tielow It ..i1n11 ob-

• in turn 11n erm.....m&IJ mounted an the ball aened that the bncket at la a aublltantlal llO 

,, 

J 
.. 

.., 

REF ID:A6780. 

1,800,7158 • 

duphcate of the bracket 36 so that when tht of t\\o <'ontncts anrl mdu nlc>r; th1t h'o c1n ~ 

i;ectrn 87 hns been turned or rotated m the are c.ontrollerl b.> its c 011 t" purulmg 1 ontnrt 

manJ1e1 above disclosed, the bracket 35 will 50 In 1''1gm e 10 the hr. o;t cnntncl :=;2 nf t11P 

al'-o lie turm.d ancl the set screw 61 1s em- se11e'!l }.u. 1i- 1llustrnte1l m• u the bottQm of 

I ployeJ to 11rn 01 loLk the member 36 ID saud fi~11re "lnle the otl1cr t0nt11ct 52" ti. 70 

its llG\\ JJO'!lJtlon and thus Jpck the sector 37 1Jluc,truted nea1 the l1Jp ot the hgu1c, m its a. Jlli.ted po.,1trnn the t\\·o contacts r,2 nnrl r:iJ' licmg 

A r;ewnd contact carrying member 300, 1omed bJ- the \\11'6 (13 (the n11111e111ls 2° 

bl..1 \\.1se m tde of m1;ulo.tmg muteual, is se- appenung nt the Lottom nn<l top e1l~cc; 

10 LllJed to the endr; of fl pa11 of bu~ckets ,iOl or J11gu1 c 10 1deul if" the wt c ulo; or tho 'j;j 

nml 302 pn nt mg rrc;pectn ely in the outer " 110 611) In the f.•lll Ill "11,r, thr n 11111ernl 

flange::: 3(1'} of the enJ members 1\3 and 34 8n mcl1C,lte~ tlmt \hell' Rl'C ('tp:bt C1ll~ to be 

'l'lu. .. rontart c 111rll.Jlg lilodc 300 JD.l)" be re· controlltcl m th..i.t :.Plll!o f101111t. .. 1.or1c '>ponJ-

\OhcJ around c;l1aft 7 to .mv de&1ted pos1t1on m~ c.ont11c.t 'iO • f,e\en o( the cont.1cts 52 

16 ''hern It ma;:t he Jocked ht means of the set of tins Jnst mentioncil .,, r1<'c, nre &ho\\n as so &ere\\ ,}Q.t Serured to the block 300 a1e the umne<'te1l b.}' the \\UC I.ii nncl the eighth or 

spnng contact fmgers 30,j adapted to make last of sairl 1.ontnds 52" 1'1 sho"'rn at the npcontac,t with the c.onto.1 t pomts 52 t.urr1ed per edge or li'1gure 10 nnrl connected t.o the 

by the cvlfo.ucr a& 1t rcrnhes, and for n pur- otherb 11& b) tha \\ uc M", (the numeral& 8° 

i:o· pose to be subsiq..nently d1si..IQSl!U appc11.11ng Jt th<' WJ.l nnd bottom edbres of 8j 

'l'lia(ia "t.O• say, t~~"J.S" pt"O\:ided ~ contac.t Fi~m e lfJ 1denbfy t11c u1t ends of the same 

finge1.{30S •for' encnr'J:irclttl:lf'1teht1al 'l.'O\\ of \\Ire) In tl1c cnc;e of the se11es 10" aJI of 

contaet points• 52, r.acl1 toritnc.-t. hnj;e1 30;) the cnnhu .. t~ r>2 .ne> sho\\n 1s JOmed b) tbe 

has all arruate. eSc.t.t!n"stdn. '30<$\ fitting the "ne L.'.'i, e\.tcnilm~ f10111 the top to uen1. tl1e 

~Ii blor.k 300, bv means of "'h1ch '!l'utcl fin(;Cr ao:; Lottom of F1i~me 10 oo 

18 secured to saui~blpi.k • E'lch nte11s1on 30u Ul•fe, rmg now to J.! .. 1gure 12, current enalb<> p~wdes a}f!llf~ srll'fp.ce agamst \\luc.h ters the S)'bll'm o,~e1 the \Vire 70 passes to 

preeses a1statioaart spri!Jg conl.ntt member and th101uz:h the switch 75, and thl:lnce o\oer 

S07 secured to the-base'"bloc.k iJ5 as by the the '\\ll"e 74 tu the pomt i3, \\'here 1t divides 

!IO screw 308 ai;i.d ,co.dt~t tei:mmal 309 F~~ A poi t1on of the current passes o.long the o.;; 

the :ffgo~ and '\'t1tb.,,p11rticulnr refere~ce 'wu-e 72, to o.nd throu~h the motn1 2, let\\tng 

to F~~res.1, 5, 1 a.nit rn; it will be und.~r-; the snme o\-er the "\\-1re 71 to the point 70 

stood that tile contact pomts 52 Rre arrnlf~ Said cull.'ent no\\ passe& o\e1 tl1e \\Ire GO 

about-the cyl1~r,&1hcncumferenbal row&z througli the S\\Jtch member 68 and O\'tlr the 

s;; that eadl\ po1nt•'l>2 as 1t is carried around wire 67 back to the sourc.e of current A.n- 100 

by the c.yhnder "ill mnke contact with the other ~rt1on of srud cull'ent passes fiom 

hngers 881 J3 and 305, tho.t each movable the point 73 a.long the wire 77 to the screw 

finger 38 is in contact ""1th a stat1onaey con- 78-, Furure 5, thence to the bracket member 

tact member 39, that eaclt movable finger M through the ball bearings 281 the drum 

40 30lS 18 m contact with a stationary contact mernLe1 27, the collar 49, RJI~ the contact ic.;; 

JqembeJ:' 3o:T; and that the contact finger car, member 47, to the contact pm 50 If said 

rymg members 37 and 306,may each he J."O;:{' contact member 47 ho.s been so turned, 

tnted about shaft 7 throu~"h the medium of the membe1. 44 (see 

Beferr1ng now to •gures 5, 6, 10 and 12, F1gw~ 5), t.hat .sRid contact member 47 

" it will be observed that the contact 47 is makes CJrcmt with the c.ontact pm 502 m the 110 

adapted to tum entirely around the mSide of series of contact& 1a, 011 is 1llustro.ted in F1gtbe cyJmder 8, and thus make contact 'v1th ure 12, the11 current will puss tbrough tlie 

any one of the cont.act members 50 It \Ytll 'ure 01 to said. coJttaLt ;;2 m series 1•1 and 

.further be seen from Figure 10 that the cir- as tl1e cylmder 8 re\ohes m the mannC'r 

1iO cmnferential row of contac.t.s 50 are earh above disclosed said c.ont.ict 52 "ill make 115 

JOUJed by the wires :Sl to a correi.pondmg c1rcu1t with t.he sprmg member 38 \\ lm.h 1s 

contact 621 and that a contact 52 10 each m- m contact \\1th tlte sprmg member 39, see 

stance is the begmnmg of a &1!11es of contacts I!'1gures 5 and 7, whereupon the current will 

dis_poi.ed a.bout the 1-11.c.umfere.nc.e of the cyl- pass out of the teun.1101 43 along the 1\ire 

15 mder, and that each series co11ta10~ a differ- 80, Figures 7 and 12 to the sprmg plug 811 l'!O 

ent number of <.'Ontacts ~2 corres11ondmg to to its eo1res.pond10g 1ack niember 82 to- the 

the number of cars "h1c1t are to be con- point 83 where 1t dn11d,eb, a part of the cur- twlled by l'lllcl ,ser1es Stated ui other words) rent p11i.smg along the wire 84 throu~h the 

nnd rderr10g to the numeral 1• 10 Figure white hght 8'i to the pomt 86, and thenL'O 

oo 10 it '"111 be ~een that its cu1 respondmg con- along the "11-e 87 to the pomt 88 'fhe cur- 12'i 

tact "iO is Joined by the lHre 51 to a. smgle rent at the pomt 88 passes alon~ the '' 11-e 89 t onta<'t 52, and tliercfore. l"' indicates that baek to the pomt iO th1 ough the "11-e 69 a smgle ca1 1s c.ontrolled by the coITPspond· switch 68 "1rt> 67, o.nd bade to the somcC' 

mg contact 50 The n1.1meral 2•, on the other From the pomt 881 the corHmt pas'*"r; 

05 hand, refers to a senes of contacts comnst1ng along the Wll'fl 90, through the llb1te 111.10,p 91 1311 r J it t 

-(. \' I I ._ 

I~ 

., 

.. 

'. 

;/ 

,, 

:to. I 

.. ,,. 

.. 
• REF ID:A67800 

1,800,7118 

wluch 1s eatried on the ear m shaft No 1 

and controlled by the seues 1•, Figure 12 

From s11.1d \\lute lamp 91 the current passes 

to pomt 921 .ilong "'ire 93 to point 94 on the 

I common wuL O:>, along wire 95 to pomt 96, 

along wn e 97 to ~omt 88, and thenC'e along 

the "ire. 80 nnd its conneLtions back to the 

sou1rl' of cmrent 

From the mcchamsm so :far d1sclo!!ied, it 

10 \V1ll no'v be clear thnt as the motor 2 re-

\ Oh Pf. the sl1aft 4, disk 6, shaft 7 nnd 

<'\•lmde1 8 w1ll ho ie"olH'u nt a speect cm - roi;iponilm~ to the adJustment of the du;k 6, 

l'f'lntn el;> to the d1sl.. ;; lt w11l further he 

11 clear that ns the cylmdet l:J is thus turnl'd 

m the d1rnrhon md1l'11tecl by tbe at 1 O\\S m 

1'"'igures 7, 10 11nd 12 the fhst contact 52 m 

ench of the series of contacts numbered ft'Om 

1• to 10-, will be urouirht mto electuca1 conIO nechon \Hth thP contact member 38, Figure 

7 When the contact series 111 1s tlms bioup;ht 

mto clectr1cnl conncrt1on with the contact 

member 38 as uescriberl, t'm rent will pn.ss 

through the 'vhitt hght s;; located on the 

II <ctlltionaiy boaicl l, and s1mult.ineonsl) pas., 

thi"Ough a correspondmg "'bite light 91 located on the co.r, which belongs to the se- ru~s 1•, and which 1s io be operated The 

fln.shin_g of the whib.· light 85 m the manner 

ao Just disclosed will md1cate to the elevatoi 

starter the fact that the car belongmg to this 

particular series &hould st.ut, and the flashing of the wlnte light 91 will mdicnte to the 

operotoi of the rnr m shaft No 1 that 1t 

815 lS time for blD'l to begin Jns Up\l-Drd tup 

'!'here a.re red lights to mdicnte to the ear 

&t:u ter and to tne opei atou of the "nuous 

cars the beg:mmngs of the down" ft1d trips, 

ne: 'v1ll be presently d1sclo&ed 

co It should be stated that LOnvemently loC!l.ted between the top and bottom of the elev 1tor i;ihaft., or say about m1dw·ny tbe1eof, 1S 

a contact plate provided \v1tb smtable termtnals, etc, foi mnkmg suitahlJ. nnd ~ell 

41 known Lonnectionc; witn the white and red Iu~hts On each car, and of ):Ourse, thel'e 

\\-ould ho.'e to be ns many sets of teumnnls 

a<1 there are cars to be opelllt.Eid As the con- n< rt1ons are md1eatecl m 1i·1.gure 12, only a 

10 smgle rar "ould be operated-as the motor 2 

revolves for the contact 47" only makes cirrmt 'vith the smgJe series 1• 

In case the elevator starter wished to control or to operate tyro cars mstead of one, 

U he would bro to ~1e indicator board 1, nJid 

turn the member #, F11{ltre 5, Ubt1l the eont.'lct member 47 made circuit with tho contnLt nm 50 ~rtam'ing to the series 2• which, 

as sliO"n m F1~re 12, lS provided with the 

80 two contacts 52 on the cylinder 8 In such 

cnse the current havmg rcnehed the point 

47 in sR1d hgu1e, would now J?aSS a.long the 

wire 51 correspondmg to seues 2-, and to 

both of the contaet.s IS2 of said seues 2-

tl,' .. \s the cyb.ndei: 8 revolved, it would make 

• 

electrical c1reu1t successively with the corresponchng two members 38 and their two coactmg contucte: 39, with whu.h the apparatus is pro\1ded, see F1~1'etl 5 and 7, (1t 

bemg unde1etood thnt t.he1~ 1s a member BS TO 

for ench member 391 see dotted lines m Figure 5) Cl1rrent will now pass successively 

.along both of sBld membc!d 39, and ruong 

their cor1e&pond1ng connecting w11"8s 80 and 

sna. where the Cllll'Cllt Jc; d1v1ded, along the T& 

"nes 84 nnrl 84"- and tlu ongh tlmr correspondmg wlute lights ~ and 85•, to the J>OIDts 

86 and Sb", along the l\lre 87 to the pomt 88 

ThP cm 1ent rlaw returns along the wire 89 

Ufl.Ck to 1ts SOllH." RE above descubed, It be- 80 

ing understooll of courf.le, that the t\\o rars 

110'1\ beiiig opeuiforJ do not leave the bottom 

ilom simultaneouslv. nnd therefore the white 

hghts 8:> •md 85• do not flash s1m11ltoneously 

but suceeasively 85 

That is to eay, tho or1gmal ear belo!J._gmg to serits 1• 111 now operating as car No 

1 of the scl'ml 2"', and thordore its \Vh1te 11~ht 91 is flu.shed precisely as wns the ease 

JUst dei.< r.beLl "hen only one car \VRS be- llO 

mg used In t]ns seriec; 2,., howeve1, m add1-

t.10n to this s111d ear No 1 being OJM?l'atbd, 

the second ca1 earrym~ a white light 91a 

is 11lso opC'rated, nnd this sud whlte bght IS 

fln!>hed sLmultaneousl,- with the stationacy 95 

wlnte bght 85• above disclosed, by menns of 

thnt poi t1on of current paSSing from SRld 

pomt of d1us1on 83• over tho wire 90& to 

the hght 91", carried by car No 2, throue:h 

the soul' light to the point 92"', along tlie AOO 

\o\Ue 93" to the pomt 94:- of the common retum \Ure 95, along said wire 95 to point 

96 ovc1 "'ire 97 back to the pomt 88, and 

thence ta the sourLe, as above disclosed, over 

the '" 11'8 89 1 ns. 

Whether one, two or more ears are used 

m tlus system, it is obvious that all of the 

said cars '"Ill neve1 be started from the main 

or ground floor at the same time That JS 

to sa~, all the cars operating m this system no 

will have suc<!essive times of departure from 

the mB1n floor '4lnd this 18 taken care of 

through the medium of the- said rotary contact eyhnder 8 ThIS is aceomphshed 

through tho particular d1spomt1on or cbs- UIS 

placement of the se'\-eral contact ~int& G2 

around the circumference of the said cylinder as shown m Figure 10 The 1pacmg of 

these said contact p<.1 nts 52 IS such '8 tcp 

cause each successive car to be automatical- llO 

ly mgnalled by the rotation ef eyhnder 81 at 

uniform mtervala. That JS, conS1der1ng for 

instance senes 2- m which but two ears operate, it will be observed that the contact points 52 and 62- ar& 180° apart, or the 111 

distance from the first contact pc>mt 52 to 

the second contact pomt 52-, aee Figure lOJ 

1s the same or equal to the distance trOm sa1a 

contact pomt 52•, bacli to said first named -

contact pomt 62 Llkew:ase, m any other • Ill .,. 

0 
a 

... 

w 

f 

a 

REF ID:A67800. 

1,800,7&9 

ries, such for example as series s• conta1n1ng 

eight contacts, the locus of en.ch of the successive conta<.ts n1embe1s 52 will bP on 1.he 

circnmfe1 ence of the C) hnclelj S m an ele1 Dll'TJI thrreot d1":oJl'•'lecl one eighth ot .1 Lllcmnference or 4.3" from .111otber eJement 

which lS the locus of the next adJn<.ent 

contact ml!mbe1 In other words the .fnll 1 cn•cumference of the c}lmder i& divided into ~o equul 'lr<.s by the nunilier of rars to be oper1 ated m the IK.'rieCJ, nnd in the C'lements of thP 

... c)lmder pnss•ng through these pomts of 

dn•1sion are locnteu the plll't1cular contact 

pomts j2 of that particular series Thus 1t 

11 will be sel!n th 1t each car m the ser1e,B' will 

re' eivc.> its tli•sh or sig11al for its upwaru or dowmvard trip at equal mtervals of time 

In a o;1m1lar manner, signals for eacli. car 

are flashed to sta1t the downward trip 

IO tl1rough the medmm of the red bghtc; lO:i 

and 106, locr.lted rec;pe<.tinly on the board 1 

:mu in the rar That 1s to say, after the 

white lights are flushed the 1..yhncler 8 m its 

rontmue1 TI"\oJuuon mil cany the contact 

211 pomts 52 of f'll.Ch series on around flom the 

contact hngers 38 to the conta<.t fingers 5d, 

see Y.\guies 7 antl 12, and thus close the c1rcmt 1uomenta1 ii.) \Vh1ch pnc:scs through the 

sa1d red lights The circu.t.s for these red 

30 11g!its, 01" clown signals are as follows 

The ruiTent p•tsses from tlie source through 

the wu·e 76. through the swttch member 75, wne 74 to dnJS1on pomt 7$. over wtre 77 to 

the varmble contact member 41, all as here-

:J'i tofore desr11bed, thence through thP pa1ticular ptn 50 with wlu<.h the S'lttl vaunble <'.ODt1L1..t ml!mLcr 47 eng"tges over tho wire 51 of 

that part11 uh1 c.,er1ec; connected with the va- rmblc cont1u t memhcr 47 to the oontitct mcm411 l1e1 i>2 cat rmd by the lJolmrler 8 Whon the 

c."Jhnder 8 has revolved suthcientl) to c..nrry 

the po1.1t ;.~ so os to make contact with the 

sprmg hnge1 member ~e, see FigurPs 7 and 

12 the <'uuent 1>..1.Fbt".b from the said contact 

4i !i2 to the n1cmbP1 ;>3, thiough the temunal 

:i>O'lt 107 to tl1<. \VU e 108, alonJ s1ud w1?P to 

the point. lO!J, tlu::nrH over wire 110 to the 

other contact po1l1on 111 of tho plug 81, 

t'1en<.e to thr olher wntnct membe1 1 U of the 

60 Jnrk ~2. t-0 tJie pmnt 113 '~bere the current 

dn1d<>s, then through the red light 105-to the 

pomt 111, thcnw over Wll'e r;i1 which from 

Figure 12 1t will be ohsened, IE" common tu 

on~ sule "t both "h1te end red l11mps aull &o 

l.i • to the tlorem<>nt1oned pmnt 88 F1v1m the 

said p(lmt 88 the rnrrent pa&c;es ot"e1 tl1c 

wn-e S!J to po mt 70, u.r,d b.l('k to the c;nu rt<' 

1111 as \\lll 110 clcnr from tbe fmegoiug At 

the pomt 113 1t will be obr;crve<l tn.1t the cm - bO n>rrt c;pl1b, and :i se1..ond cu-cmt stn1tmg .1t 

tlna pomt, pRS~s over w1re 115 to tue ied 

h,rht lOll c11r11ecl by the car No 1, thro11~11 

c;u1d bght to pomt 92, over the wire 03 to tho 

pomt 94. thence Oler wire 96 to pomt !JG, 

C'I over wire 97 to point 88, where it rctu1ns 

o\er the wire 89 os has been heretofore desc11bcd nnd as is 1llustrnted m F1g1.1re 12 

If t\vo c.trs are nhlu:ed as \H1s the caso de .. m beJ prllvmusly and the said contact 

111embe1• -1-7 cnga~ec, the inn 50 of thP series 7'0 ~ ... then tl1e c11<.u1t fo1 tl1P do\\ n signals will 

lie .1s folio" s A& heieto!rne described tho 

cn-cmt 011g1mllHll!' at the source will i~li 

thr contact 4i, pass into the cylu1der 8, en- ln cnmg hoth contnct points 52 of the said 76 

l"er1es 2111 so t11at \\lu•n the E-aid contacts bavo 

revolvea th1011gh the tu11'mg of said cyhnder they "ill successi vel) contact with sp11ng 

members 53 of '\vJuch there a1'f' as many as spring rontact members 38 and 19 The cir- so 

cmt now h1nrng reached contact men1ber 52, 

passes through the spring member 53 to the 

tcrmmals 107, thence over- the wll'es 108 and 

10sa, success1vrJl in the same manner as did 

current pass ft'Om thl' said coutact n;iembers 85 

th1ough the spring members 38, and thence over !he wire.'!! 8C) and 80• as was dJSclosed 

prevmusly, m the·descnption of the wlut& or up signals. ' 

Referring to Fitr.ire 12, it wtll thus be oo seen thnt the current wtll pass through these 

smd wires 108 and 108• to the points 113 and 

lrn• where it divides, a portion paSS1ng to 

and through the red bgllt 105 .And 100- to 

the points 114 and 114•, thence over tlie com- 05 

mon wire 87 to the point 88, nnd thence back 

to the source over the aforemcnt\oned return 

\vtfG" 89 The other- portion bf tl>e said CJr-

,ru1t posses from the points 113 nl!d 113• over the wire.'! U5 and 115• to the red 01 down 100 

SJgmi.ls 106 and 106", earned respectively by 

l&r No 1, and car No 2 of the •r1es 2•, 

through the saict lamps to points cj2 and 92•, 

O\er the w1ree 93 and 93• to lhe pomts 94: 

anJ 94", over the common \'ttrc 95 to the JOJ 

pomt 96, over the wire 9'7 to the poi~t 88 

and thence.. to the sourre o\er the common return wire 89 

A 11111to.ble p!lot ltght 400, see F1g1i~s 1, 

2 and 10, m11y be connected m e1rc111t, as he- 1. '.l 

tween the wires 71 nnd 'ii, to illumm.i:te lhtcontrol bo11rd 1 \\hen nei..eSl'lary 

In a s1mll11.r manner, as )list de'ICubed. for &eri~o; 2•, the system m1l~ he ubhZ\'d for nny 

number of cars up to anrl mclmhng ten 11 1 

For e'tnmvle -s]101Jlfl rl1eu• he ten <'•u ~ m the 

bmldml! all opl'1at<>u by ti••.., ""~tcm., tbe 

'\\}ute !!rJ..rn 11!:. fo1 tlw st.nt "f 1 11 h < 11.1 •1ml 

locatecl on the "II ibomn v bmL1 tl 1 11~ \\l'n n<.1 

the 'll'hite lumpr,; of <' 11 h 1 11 11111 L 1r11ul 120 

the1'i"o11. \Vlll c.LC 1 hl' fho:;hrd .:uc.-•.ec,.,1vcly, nil m the 'lJ.lllc mr nner 11'! hno; hl•rn he1-ctnfore 

1lest 111.>ed b\ the spPc1hc C\.l'lmplrc; of one, or h .. o cn1s, tfie only i.lrffc1L•n1..P lw111ir th.1t for 

Mth rar there must. net.csr:. 111ly bi> n plug l!!'i 

.i.n<1 .1. Jilek an•l tllllt o:;111d plu~ mu<it be inserted 10 lfq tol respomJmg 1ack to control tlm 

1..1rcmt<1 of ll1e car., m c>P!!r .tum 1'lu:'l'Cforc. if l••n t J.l"! are m 1l9C, nll len plu~r<t r1111st 

bei insertecl in their JD.cks to close the 1..ucuits, iau 
• REF ID:A67800 

e 1,800,718 

so that as each contact member liB carried 

by the revolving cylinder 8 contacts with its 

respective sp'nng member the circuit will be 

closed so as to momentanly flash the lamps 

I correspond.mg to the cars Fer the sake of 

brevity, only the c1rc01ts of one and.t1',_o cars 

have been specdicnlly traced and descN>ed, 

but it is obvious by referring to the drawmgs 

that in hke ;manne1 the t.Jrcmts will be made 

10 for nny numhei of cans. Thnt. IS to s.ly, each 

circuit is really a dup4cate of the other, the 

c1rcu1t bl'mg closed moment1mly thl'Ough the 

;medtum of the contact members 62 c trned 

by tl1e revolvinR cvbnder 

11 It \\tll now be seen that in order to con- trol the "ttnrtmg of elevators such as 10 large 

office bmldmgs, and so as to obtain t11e most 

eftic1ent service, there should be a systemnt1c 

control of the snme, and tins 1s :iccomphshcd 

eo through the em1Jlo)ment of automatic means 

such as that e"'l:pl1uned heroin By the 11se 

of th1s system, each car is successively s1gnnlled.1 and therefore, with nll cars in Bel'Vice, each cal' will have n uniform or equnl 

l'io number ef trips during the day Further, 

it w1JI be obvious that m the early mom- mg and after lunch ho111 s the peak of 

up trnvel 1s J"C')chc~ anrl thert>fore at lh1s 

particular time all the cans m tho h01ldmg 

an can be thrown mto th1s system bv pllll;!'gi.ng 

of the corrcspondm~ plu,_'8 mto their Jo.en 

However, say at about ten o'clork in the 

mo1-ning, nnd two o'clock in tile afternoon, 

the volume of up traffic i8 con'l1derid>l;t re11" duced nnd one or more cnrs may be tcm{IOrnnly thro\\n out of the system, t'heoperntol'S 

thereof lntd off, and the volume of traffic 

handled m an eftic1ent mnnner by the rl'-

ma1nmg ca.rs at the will of the supet'lntend411 ent or starter I~1kewtse1 at the noon rush 

hour, and tl10 evening home-~mg pt'nk, the 

do:wn ttavel may he efficient~ controlled by 

the employment of nil the cnrs In thu:i system, 1t is clt'•nrnhle to 'nl'V t110 

"5 t1mo •11lnwc1t for t11e up" nr1l 1m1l 1lnwnwnr<l 

travel of tbl' lllrK 111 111 io clnme "1lh the 

plt.'"SD.f..'C o( t1 nffic 'l}mt I'> to '-RV, ID the l'RI h 

mormng hom~ whrn p1 nt.t1r.1ily nll of the 

t11tftic 1io; up" nrt.l 1t nmv ht'rmnc n<'C<'c;11,u '" 

llO to di \'Ille the rnnnil-ti ~J> trml' of l' 1<11 1•111 •o thnt tho ttml" rnnc.nml'd rn tf1<' 1111\\nrtl t1.1v1•l 

1s lnngt>1 t11011 the tm1P I l'C(ll1H•1I fo1 th1• dnscent of the ca1 'flus 1s oln 1011"' 11t th1<1 

tlme of tlrty f10111 the f 1ct tlmt th1m.• 'ull be 

GI little d no do.wnwn1d p 1<.,1111~re or ti 'lH'I, aml 

consequentlI no '!tops 'fhc1efnL'O little bmo 

is reqt11red for the ca1 t.o 1c11ch the nuun or ground floor aftor Ien\mg tho top '£o nc· colfij>hsh this the member 37, which l"I ~npeo J>Orfai below tho cylinder 8 l1y m<'RDR of 

the de1>endmg hracli:eb. 35 and 3U, '"ce J:t~1gures 5 and 7, ancl winch ca rues the se11e1:> 

of sprmg contact members 88, 1s made c1tpable of being awun'-, about tbe shaft 7 as a II center, to such a position as 18 sbown in dotted Imes m Figure 7 With parbcular ref- e ence to tins figure, it will be seen that the 

member 38 m dotted lme p011.tion makes cont.tct with the J?Omts 52 at a. position pract1cnll) d1ametricnlly opposite from that lo- 70 

c.1tion at wluch the sprmg member 53 contacts 

w1th the qo.1d .immt 52 ThlS mdicates that 

both the up s1~nal and the down signal are 

thshed at equal mtervnJs of tlDle w 1th ~ 

to each other That 1s11f the i.olume of tratli.c TS 

'\\ere equal m both up and down directions, 1t 

nnuhl he obuous thllt the member 87 should 

be m F11ch a l?OSthon as 1s indicated bI the 

.dotte£1lme1epresent.it1on m Figure 7 Suppoqe, l1owe,er, thnt 1t JS late nftemoon, and 80 

wnseqncntl~ the clcnvn t1 :iffic hR! greatly 

mu C.l"c<l rnrcr tr.1fhc m the op}>OSlte d1rect•o11 '1 hen it would be very aau.ntageoua 

to n.110\v t ht' rn1 less ttme for its up trip thm 

to1 th<' tlonn tr11;> and this is accomp1Jshed u 

tlnough the iotat1on df s•ud bar 871 carryi.ng 

the cc•ntai;t mt'mbets 38, around to such a 

pos1tJ<1n M is md1c 1ted in full lines in Figlll't. 7, "I1ci e11po11 ns the m-sulnted cylmder 

8 ic,ohcs in the dn"Cct1on of the arrow, the 10 

rontnc t pomt i2 c1u 11cd thereby will cont'\1 t "1th the 11p1mg member 53 and thus 

g:n e the • 1nnnl for the cnr to start its up-

" .u cl tt.n cl 'l hlre bemg bttle or no pasF1tge of ti n01c m tlus d1re1.tlon, the car can IN 

nuke prnt't11..11ly n non-stop tup, and then!-

fore it ncecls but little tune to ieach the top 

ffo01 Upon re1td11nJ? the top ftoo1, it take& on Jt"l lo 1<l or PD"'llengcrs and then receives 

its tlo\\ n 01 ietl Slg'llal l1y vu toe of the point 100 

5J hn Hng co11l 'lctecl "ith sp mg mmnber 

:lfl .11111 b\ }J'll t1cul n I) refeu inA" to Finn 

1, 1t "111 be qmto obuo11' that the sauf car 

m 1y .,hit mrl lontume its downward tnp, 

m 1lm1g the ncccq..,n1y stops nt mtervemng 111 

llo01q 111ul 1e 1th the bottom 01 main floor a.f:.. 

tc1 lun mg- consmnctl more time than was 

nl'"l''i." 11' fni its uv. ti 1p Jn hl.c m 11111ei 1 if the \ohtme of traffic is 

he'l' ll'~t 111 .m up du cct10n, the said bar BT 110 

tlll)llll? the spimg member 38 may be 

•m nn~ m n ~011ntl'1-tlnckwise d1rechon\. as fel'n m F1i,ture 7 to snch a p0S1t1on as nas 

bt•un previously ascoi tnmed to be the most 

11<1\·tnt11-'<'0llS to COi i"CCtly time the U{> and 111 

dmrn t11p.:i of the c111'!I After the shifting 

of tins member 37 it may be substanb.ally 

l1l'lil m n. locked positron through~ the me- ~ 

dmrn o[ tlw nnllcd set screw 61, •ee Figures 

5 and 11, Ll,mpmg nJ?11mst the upper por· lZO 

t1on of the ciupportmg bmt.ket 38, wh~ch 

mnv cn.n-v n c;c,1le 17:i, 11s shown 

It "111 be obvious fmm Furutes 1, 8 and 

12 th.it the mo..tn'I employed to wt.ate the cylmcle1 8 conq1c;t.o, of tbl" motor 2;- which de- 111 

In ers pon Pl thron~h c;mrnble gen1 reduction 

not cleqc11hrtl hnt md1catetl nt 1201 to the 

shn.ft 4 UJ10ll "lnlh 1q mmm~<l the msulate.d 

c11 n en d1uk 6 l '1111en by the c' lnuler shaft 

7 It n ill thus bo c,cen that the speed or 110 0 
,. 

0 

REF ID:A67800. 

1,800,7&8 

' 

revolution of the cylinder 8 may be uried 

to suit the d1ffc1cnt conchtions eA1stmg 111 

a S:l1St.em of t]us 1..md by the slufting o:fthe 

shaft 7 toward 01 J\'\"11~ f1om the shaft~ 

I After the SJ stem Ir\'; been m oper1.~1on. foJ' a short time and numerous tests hau1 been 

taken, the eleutor shuter or some one entrustecl with the care and operation of the 

deuce wdl have dJScovered that certain 

Io speeds of the Cl hnde1 will be best su1t.ed for 

certam hours of the day To fat:Jl1tate the 

quick and easy adJustment of the speed of 

the CJ lmde11 a scale 28. carried on one of 

the sup.pertmg brackets of the cylmder 

11 and a pointer 22 secured to the. end of 

the. ~aft 'i, are provided, so that as a reEult of the aforementioned tests certam d1-

i1s1onal markmgs of the scale 2j wdl 1epresent the Arecd bost suited for that par20 ticular hou1 of tbe day and consequently 

the cyJmder 8 can be qmckly positioned 

UJ rcfcnmg to FlgLlrC 10, it "ill be ob- l!!Pr~cd that wJmrca!t the contact 52 of senes 

2• is on t bP row of contact~ md1c.nterl by the 

25 dott.ca Imo 109 the othe1 cnnt1i.ct ..,2• of said 

8l'r1es-:2"- is bchvcrn the ro~ s of contilcts 52 

wlnch are on the dotted 1i.ne$ .JOU nnd 2011 

'fhat is t,o sa.y, m orde1 to place thP. con- tact 52 nt 'Ull 180" f1om tis OOH<'~aponding 

'Ill contnct 62 In the bClleq 2" It lS llCU''l'IO.r\ to 

displace saul cont 1<.t :)2• ll'\.tnll} of tht! C.} lmdPr 8, fnr there J'! no room 101 lh<' rnnhl.('t 

.fiJ• 111 the rrnv of rc.nt.•c..t<i found 111 the.dotted 

1100 2110 On the ,,, hC'r 11,11ul, 1t is es..<i<mt1o) 

'l 1 that <..lltllli r.11011 hl hu 1111clu 'Hth the con- t11<.t 'i2' unrlt r tlll' ... 1111c 1..11n1l1t11m"! a"I 1f 1t 

wm't' Im '\tC'tl 1111 tht• tl11th•d !mu !200 1.n the 

soooncl 1'0\\ of c ontnC't., 'I~ 

In m dl'l lu 1u 11mplit-h tl11"l, the p 11 hrulnr 

411 connection'- JICI, <.<'I! F1gmc•'! 1 nnd 7 cor- rt'c;pnnc1rnl-!' 111 rl1r 1 l'IJt ict }{I w]111 l1 gmern<J 

the r'l\\ n f 1nnt11 t .. ru pl.u ~.l on ti11.. <lot t.Pcl 

lm<' 200, 1q I Clnlll'l t1•LI \\ 11 Ii .111 IHl'\lh ny COJ.1-

neruon 111' ]4~1 p:m c l \t-fod1 IS 111 '\II l LSJlf'CtS 

4;; s1m1lai to Lhu 1..onncl t1ons 210, nml \\l11c...b 

conne<'t1011 211 lt•arl-, to .1 <..ou 1•i:ipondmj!; con- tiict .. Ill h a~ 'll) "l111 l1 \\nulcl he m thl\ puth 

of thr {>llll1c...11ln1 tonlntt i.G• l•'urth1•r, fh<' 

l'nnm•ctlon'! 210 .m<l ~Jl lll' 10111t>d b) t11c r.o platt- 212 so tlmt '' ht'n tl1I' uu 111t t'I macle 

"1th the c•intnc t li2' 1t p1m1t.1.1•s al1 l11e csnd1-

t }Ol\S t hnt 1t "nJtl<l \ll'<J\'Ul*' 1 f sm h c 1111tnct 

528 wert• lo<'nh•rl cm tie dollf'cl lmc 200 The 

COllhLl l Jl1 Jll'l1111Dlllf! to tlu• Bt'l ICS 3" 1q hk1•-

i;;; l\JAI! •hsplnlctl fmm th~ dottl'd hno 200 1111cl 

locnt.Pd brtwPen i;;n1d Jmr ~00 aml thP 1l11tted 

hl'l' 201, a.'I i:;J1mm m ~·1(.!'11~ 9, 1o111 tlmt 1t 1s 

taken CllH' of by thl\ wnnP111011 ~ll m the 

same m'lnner1'1S ,'4 lh1• 1ont ut 'iJ• 

oo CommJ! no\\ to tl1t• u111t111 I :4lb it really belong~ to tlw rtl\\ nt wnt,u.tt- 112 bclo1\,_rmg 

to thn TU\V m<l1ratNI on tl•r dott.Ptl )me 201 

lt ll' taJ..rn c.1r1• of hv 1111111111? the connc1 t1on 

214: "\v1th tlu• c orm1'< t)on 21 'i hv means of the 

' &;;~pliP.ce 217, sec 1'~1gm"C 1 J .. 1kew111e1 the contact 2201 Figure 10, which bas been displaced 

from the row of contacts 62 belongmg on tlie dotted hne 202, is taken <.are of by the. 

c01mectim1S 221 and 222, 1omed by the plate 

223, all as will be underltood from Figure TO 

I B_y ad~tmg the construction Just disclosed m Fifl'urt!S 1 and 10, it will be seen that the various contacts 62 may be placed 

m any given ro"' of contacts, at c;ucli posit10ns. on the cyhndm as will make the u~ and 71 

do,vn tnps of tl1P cus at the desireCJ intervals, and vet at the same tune enable all 

of the contacts 52 to be crowded into IL relatively veey small space mdeed, thus enabhng 

the size of the cylinder 8 to he reduced to a 80 

mnumum 

Refernn_g agru.n to Fl~re 101 1t will be obeerved on the e'\.treme enCI 230 of tho eyhnder 

8 there is disposed a ser1os of solid black 

nnnicrals 111, 2-, 3•, up to 10-, and near SBJd U 

first nnmecl mune1n.ls there 1s also a row of 

open or 11(!ht nmn~als .lb 2b, a-., etr, up to 

l 011 It "ill further be observed that "'.Jierens the fh~t mentmnc<l sohd numerals ,,.ro con- secutively ftom the bottom lo the top of IO 

J.t"'1gnre 0, the sec.ont.1. se1 tes of numerals liegin 

at tlie nurldle a.nd go tf) the to11 and then 

hegm nt tl.l• bottom and go to the middle 

In otl1l'r l\"ords the hP~mnmgs of t11l' two 

sets of nl'merals are d1splact!fl 1~0° llround 91 

111" t \ lmrl1 r 8 The rea<1on for tlus is As 

follows Tbese so.id cv lmders 8 as the:> 111 e numnrnctnrl'd nrc _pro,1rled '"'th tl1ese two 

rO\\S rif numcrnlt. <li"pr>..'!Cd as md1<'.nt.ed, and 

the d1c;k hk.1• 1111."mlw1 ~u 1i. proY1di:-1l llr1th two loo 

V-t1Jm1wd ma11.ml'"' m mdM:e., 231 n.nd 232, 

J'J'·1d1 h d1c;tm,1?u1sh.1hJc fmm e11 h ~c1tlier hr. 

n.m ~mhbh\ means not sho"Vll and d11>p .ced 

180° from e 1ch othl•r ai;. bcc;t 1 llustr,,ted m 

1'1gul'(' ·~ Ji'111lh1•r, tlu• ... 111d tli"k 44: 1is so i• 

molmlt d ll[l(lll tl•c .. ,ud HU 111l1ll" 1 ontntl lllt'mhr1- .Ji t h.1t t lw nnt<'h 47 of the .,aid mt•mhc.•r 

4-'i 1.., ~n tlw c;nmc 1l111mcte1 1s th 1t 3ommg 

tlie t"" 111111•'\('S 2.11 11nd g~g ns "ill bC 

tlC' n from c,n 1<1 1''1gm .• 3 IJO 

.\c,.qunung thnt the po'{1t10nq 0i' the.,<? mcll''\l'.., 2 n and 232 1uP t11011(• m1hu1ted on • 

F1~111'f• ll, nncl tl111t thl' < t bnd1•r 8 l'I J"<•v11h•-

1111f llP" .ircll.) 01 111 the d11-ect10n 1>f t11e ai-row m 1''1gm'I' 9, the nfllih of tht>se hrn seots of Ill 

nm1wruls 1• :rml 2•. ell • \\III he.• 1l111sbntecl by 

t111• :tolJowmg 

f:.nppollil! the inde11. 2311s opprNtC' the solid 

n11111ern.l 2-, tneanm~ thnt t11e1't' ai't' two LRrs 

be-mg ope1 iteil und it is dPs1retl to l-'ltd1lrnly 120 

place ten curs 1n ~rv1ce "'1t11011t the scueq 

of narnrrals 111 nnd 1011 1t \\•n1ld be neles· 

sary to turn the index. 231 to the sohd n11-

mend 10-, and m the same d1rect1on m wlu<.11 the cyJmdor Iii 1s revolvuig Tins IU 

nft<m would 'be a ddlicult and incon.venient 

problem, for the index 2- mt_g_ht not be at 

11 readily v1s1hle pomtlon with the reault 

thnt one might have to wait until the cylinder 8 tu1 ned eufB.01ently far to brmg m4 llO 
a 

• REF ID:A67800 , 

a 1,800,718 

mdex mto vie\V Further, the cylmder 8 

might be revolving faster thnn it was ron- '\cment to tm n the mlln member On the 

ot11er h'lml, the mdn. 232 hemg ch'IJJhced 

180° from mdex 2'll, would be rn 1uglit and 

conven11•nt with the result that said mde"'< 

232 could be turned unlh\auls l\vo chvis10ns, or urtt 1 Lt. got upp1>s1te the light l!'igure-lOh St1ch n tm mug bf mdex 232 would 

JD ha'\e the ctlect of tuinmg the index 2:ll 

ucLckw.uda or m n tl1reetJ011 O,Ppositc to the arrow :In l4 .. 1gure 10, nnd mnkmg it register 

with the solJ<l mc1c"l: 10&, \\}nth JS a much 

shorter 1md more !onvement ope1 Jbon tbnn 

11.1 turning it forward or in the <hrcctton of the 

arrow until 1t rea<.hecl 10"' 

Uefeirmg more pn1ticuln1ly now to Fig- ure 12, 240 rcprcs1 nts fl- plmahty of rt'lllll 

buttons, \vhich h.ive the convenient function 

20 of t-nnbhng the operator of the syo:tcm to 

<.lose nn\. pa1 t1cu l.1r cu cmt and to 1-ec.'lll any 

part1cufn1 car fiom n 111ghe1 floor to the 

bottom floor 1mme1bntel:) It 1s hardly netes.c;nt"V to ti tee nll tbe cncmts t01 th('c;e recall 

25 huttcin'!; but one cuc1r1t 1m~J1t be briefly 

traced hy consulermg tlll' iPc 111 button 2.J.l, 

for nample In tlu~ Cll"C tlil' cm1tnt \\oulll 

ftow from the point 24-J nu oc.-.; the S\\ itch at 

241 and Pacl1 tho pomt 100, '"hereupon it 

an would flow alonf!' the ''"ll'l' 110, to anll 

through the plug IW1d ,iat..k COIUll'CtlUDS 111 

nnd 112 rt'c;p1'<'.tn.eh to the pomt lU. where 

1t won1d cl1\.1ue nnd one portion thei~of pnss 

n1ong the \\o1rc ll:i to the iedJ1ght 106, on B'i the cir, •m<l b11ck to the "SOnrce of cur1ent 

m the manne1 ulrendy disclOSl"d above In 

th1., w11Jo, the rar No 1 ca1rymg tho reJ. 

11μ-ht 100 '\C'11lcl be 1ngnal1Pd to return at .onre fo the bottrim -floal' In like manner 40 1t 'HJl 11(• Sl'l•n lhnt c .ch of the other buttons .MO co'lst 11 nl"S a switch which when 

OJ>C111trrl <"Ill"!''! 1 shunt circuit for a parbcu lu • .u "lnc..b "shorts" the circmt to said 

car or<!'rutmg 1mcler a sy':ltcm such as d1sl'i c]o.,e< m the afmement1oned appbc11brm, 

Seri.11 ~o <•.::7,812 .md 11ke\\o1se opcrntmg 

umle1 tlu .. <:1\ i-tem of <'Ontro11.1s <11sdo'!l•cl thus 

fut, I'! c.ometnr1cs drfa,ecl m its rnund trip, 

1 a fnd which nct'C'!R..lllfy puts that particular 

r,e uu hchrncl m 1tq "rheclule "l'h11t 1s to say, 

11 C"n 1 11111:\( Ir.I\ o the top floor on S<.he'1u1e 

tum', 1 e , upon 1.rcN vmg its red light s1g1111 I hut eli.1• to .m um '<pe.ctecl mciense lD 

thc clon 11 t rnffll th1• q"lul till \\oOUlU l"eCl'IVe 

Gs tin "1~1111 tu stJtt 1t..q nl'xt 11p-h1p before, 

11• u 11111~ tlll' hme1 termm.d floqr • As n r c- i;.u lt, tl11 q11li"'c.•1u<>nt c;1gnnlc; received by said 

ca1 '"ould likely he flashed theretn at pomts 

111 1lFi trn\'l'l nthcr thnn 1t its first floor and 

r.1 "top ftmn p 11 Ian~ pos1t1on Such R conditmn of alTans \\-Ottld of com '!o defent tho 

zm1 por.c of tlus. untomat1r control '!\'Flem 

1 o nvoul snu1 a concl1tum, on<l the.ruby 

impro'\1 the effie 1rncv of tin'! .,}.,ttim 1m aux- Gj 1bary s.gnal h~ht ic; flnshl'd m <!'.ach coi 

after the down Slgnal has been i-ecen•ed and 

at n piedetermmed time beforo the flr.tshm~ 

of tlie foJlowmg up signal therem This 

nux:ibary signal light 1s of sqme c.oloi d1stmctly ddferer1t f1"01n the other hrn signal ro 

11ghtc; ancl m this connection ~icen has 

been found to be n. vor.) pr.u .. bc.11 coloi 

Th1s green light may be comcmently 

gl'ou1>ed with the \t'h1te and red ltgbts 01 

separmted therefiom, but should Ill so lo- rs 

cated 1n the car as to be plnmly v11tl11n the 

v1s1on of the car opP1 nto1 HS he st1111cls In 

operatmg positJOn Foi convenience thia ~ green light has been groupt>d with the nthet 

two signal hghts 1n the ca1 ns wdl be seen O 

by refcrun~ to the wmng dmgram illus· 

trnted in F1~1ire 12 

The fl.isl1111g of tins aux1hn1y signal 18 

accomplished in a manner .c;unihr to the 

flashing of the other SJgnals From Figures Bi 

7 nnd 9-it \v1U be seen that the contact points 

52 are adaptrd to momentarily contnct with 

the movable or nd]n'!table hngers 305 as the 

cyhncit>1 8 u•\•ol \'CS '14 .. m thc1 1t "ill he seen ' 

tlmt the fingeis 801 nre provided "1th the oo 

l''tcn'!IOTIS :JOfl wh1e:.h In tnlD C'Ontnct WJth 

the fingcis 807 "h1ch a1e pi'OHde'1 "1th the 

terminal posts 300 connectmg with the 

Wil'f'S 810 

The c.n'l mt of this green signal 1s cle'\1 ly llj 

r;;hO\\ n m the "'n mg dm;:1 am, ~ 1gure 12, 

but may be traced as fc1ltows Cmrent de1 n ei1 f1 om a sout'Ce not 'lhowu \Ull flo\v 

th1 ou~h '"ire 'iO, 11\\-ltch memhor 7li, wu e 74 

to pomt 73, thence o~e1 wire 77 tn the 100 

sp11ng contact membu1 47 "luch 1q rn l'llg11RCml'nt ns shown with tho pm iO of o:cries 1"' ca111ed by the C\ lnulcr Ii Fwm pm 

50 tht> LUI rent will ftow 11long the "11 e Ul 

and thus energize the c.ontacL pmnt l>:d on 1115 

saul CJ-lmde1 'Vhen tins pomt '>2 b\ t'C\Olubon of the cylinder, contacl11 \\1th a hngcr 305, see F1g1.1res 7 and 12, the current 

\VI II How through said finger 30'i, and its 

connc•c.tions, to tf'muna.1 809 thence along 110 

the wn-e .110 to the portion :H 1 of the plug 

81, through the po1t1un db! of th" cor1-eE-pomlmg JR<.k member and its wne conncc- tum Jl'I, to the J.,rtecn lump 314, throl'lgh 

suml lump, along wn'C •n '>, to the pmnt M, 11 i 

tlll'nce over the wn-e I.lo to the pomt DO, 

ulung tl1r \\ire 97 lo pomt 88, thence mer the wire S'I) to the pomt 70, Rlong tlw Wll'l' 

OU, through tlte .. w1hh membr 1 b8 iind 

thl'n<'c ou1 tlu• Wll'R fl7 b.11 k to tlu• souu c 120 

of c.nrmnt 

hhou Id two <''\r"I be m 01w1 .ltmn the ron- t .ic.t membt•i 47 nonld hf, rnt11tl•1l to e•ng11i..l'(l 

the pin 'iO of ">Cr1l's 2,. 11.o.; e'<pl11111cu hl'l'l•tofore with u•fc•i <'lll't' to t hl' othri o.;1~1111 I l 11- 1.!:t 

cmls. C111 rN1t (111111 n ...011r<e woulel thl•n 

, H.c;.-1 m 1•1 '' 11'1'" 7b, 74 .mcl 77 thrnn1rh llll'Dlll'J 47 lo thr pm iO en~ 1gcil tl1rrcby, and 

the 111 r tl1111.ir the• wm• 'il to thn r.ontact 

pomf'I aJ cnug1.flng the l11tte1 Upon the 130 

< 

l 

J 
REF ID:A67800 • 

1,800,718 

TOtation of cylinder 8 the first contact pomt Imes m said FlJ?Ure 7. thus causing the 

62 of tins 11er1ec; 2" would l?ass current ex- "'arnmg signal circuit for each c~ to be 

actiy ns did tbe contac't ~int 52 of senes closed more in advance of the clo~ of ,the 

1" and as clearly traced above " 1hen the up upal cncmt for each car. 'l'lie oper1 second contact pomt 52 -contacted "ith its ator of each cnr is told by the superm- 70 

i"e&pective &pr 805 then curl'ent "ould tendent of traffic, or other person liavmg 

ft.ow thro'!llh iiiud finger 805 and its connec- supel"VlBlon of the elevator service, each 

tions to its ~dmg tennmal 309, tune the member 800 lB repositioned so that 

tnence along the wire 810- to plug 811•, 1ark eo.ch o~ntor may know at which :ftoor of 

10 312", along the wire 318" to the ~ hght the buddmg, if his car is running on cili- fl 

314- located in car number 2, through, .said c1ent schedule, he should expect t.o recmve 

' light, along wire 816" to point 94", thence his w11.rDI!lg mpal Passengers for down 

back to the BOQrce along tli8 common return cars which are behmd schedule would of 

wires 96, 91, 89 and 67 course be picked up by the followmg can 

11 From Figures 5, 7, 9 ud 11 it will be which were either on tune or aheicl of ID 

seen that the msulated contact finger carl'y- schedule 

ing 'block 300> 1s rotatably supported and F1gun5' 4 d1SCloaes the utilization of • 

caeable of bemg locked ID an MJUsted po- device 1n a. system where more than ten c 

s1bon bv means of the set screw 304 clamp- are m usa. In the BB.ld figures, the DU 

BO mg agamst the upper portion of the sup- merals used m the precedmg figul'es are 1 

}>Ortmg bracket member 34 which may peated 1n so far a.s they apply, but the aha. 

ca1ry 11 st.nle 820 4 is extended as by the Bhaf't 243 to a d1 

The pm pose of this aux1hary signal, ns 2t4, which operates a second disk 245 and 

he1etofore l!f:ated, i8 to warn the operator of second shaft 2i6, as well as a second cybD25 the e111 that he will soon receive his 81glla1 der 247, wlucb 18 in all respects Similar to IO 

fo1 sb1rtmg lus up trip In a buildmg of cylinder 8 and wh1ch 18 associated with :parts 

fon • sto11es this green signal light sboulll which aN dupbcat.es ef the parts aBBOC1a.ted 

flash mulel' "Dormal efficient iunmng conth- \V1th sn1d cylinder 8 

tions m each car when the same had, fo1 It will be observed m Figure 12 that there 

'Ill t''\.lllll)lle, reached the thud ftoo1 level m its e'\.tends f1'0m the connection 47 a wire 25!). II 

descent t)ni'j allowing the lat ample t.Jmt> This sn1d wire m Figure 4 1s shown as ezto make the necessary l'Cm:immg stops on tend1nll' to the cylinder 247, and of course 

its oontmued down tnp nnd d1schnrge 1ts a system of c1rcu1ts not shown, but ezactly - Joad of passengers at the 101'-er tE>rmm:rl-simder to tht• Cll'CUJt.s shown 1n F1~re 12 

as floor before 1 eceivmg the ne'tt up sij!mll is provided m connet.hon with sud cyhnder 100 

IC the "atnmg mgnal JS ftai;heli uftei the 247. nncl bl!Bi'IDl:t the precise relation thereto 

tar h11s paSbed the thircl floor then t11e op~1- thnt the c1ru11ts m Figure 12 bear to cybD11tor "di know that his cnr is nhend of der 8 For example, in F1gμre 4 the wire , scheclule On the othe1 hand shou1d tlni; 310° coire-1ponds to the wire 810 1D Fipre 

•Ii g1 een q1gnal be flnshflfl 111 a C'll hefore it 12, thE' v1m t08• corresponds to the 1nre 80 IOI 

ieuches t]1e thlJ."~OOr, then that CRl IS be- the plug g3e Corresponds to the plug 831 ~ luiul scheclule and, unde1 mstrm.t1ons for tJie recall buttons 240° 1n .Fll{DI~ 4 corrasycl1 'll'eontm~~cv, the operator of that ca1 spond to the recall buttons 240 1n Figure 12 

'""Ould .nC.Jt _mulCe on;) more !_tops until he n wdl 6e f 11rther observed 'from the ~mt 

45 reate11rcl •,the lo.wer term:nal ftom The tim- 88 m F1gnre 12 there ntends a 'Wlre 248. 111 

tnf!' of the "8.ux1bn1;) SJirrtal before the fol- In F1j!'ure 4 tluc; wire 248 e'd.ends from the lo'lun~ up signnl' l"'?'!tlcl of course be sufti- bna:rd 1, \\h1rh 1s substantially the same as ru~nt ti>- aJI0\\1 1

a cai f>ehmd m its srhl'dn1e, the hoari:i 1 in }4"1#!'bre 1, to the hon.rd 1• ID 

to "~'\1.J1 e&!l or go to the fi.1 ... t flo01 mthont Figure 4\ which 1s snbsta.ntmllv a cluphcate 

uo 'stnpJJ~ng from a relatnelv h11?h no01 of a portion of the said board 1 m Figure L 111 

AR ""~the cn<1e witb the rotutable mem- An important ndnntn.~e of this svstem be1~ 11, the bJrn k 300 cnni"ng tbt> cont.ftct 1-es1des 1n the fart that the 1ngna)s 'being 

hn,.rc1'S .~o; 1s r11pable of circular nd111stml'nt g1H•n for a certam cnr may be transferred 

to umfo1m \\1th the \olume of hnfhc Thnt to nnv other car That is to sav, suppose 

JG I" to sn\. '-rhen the tlllffic i11 he1n 1est ixmng fhe rnl'S of n bank of more than five eleva- llO 

If}'' 11-'1 m the c trlv mo1 nmj? i ui;:h hom the tors should be 1~ operabon nnd something ll'l!:'l\t~ll·r ,Oll \\ould he'pos1honrtl Rb l!ho"n shonld hnppe• to one of B8.Jd five cars such 

111 f'111l Imes m 1•'1Jrme 7 t•nusm:: the rn'< mt. ns rnr No 1 Tins particular cur could be 

:for fta .. Jnn:r tht• :?l"ern "ntnm~ h~ht m rnlh S\\ th bed ont of the opeiatmir schedule and 

olf o•rJ fufl e 'll~~1l Jll&t J>recerhnl? tbr:dosmg one of the idle cnrs bE' s"1t.cbed mto said lU 

of tbe en rmt umtrolhng; the "lutl• or up srlt.C1l11lr \\ 1tbout mtedermg with the oporEJgnn1 lVh1nthl'1lu\\n ti-aftic \\as J1eal 1e.,t, ntion of tl1e otl1er fom cars. Th.ls lS accomns m lbe Intl• aftel'lloon othce elo .. mg pP110d phshed by simply removmg from its Jacktllen the membe1 800 woulll he DlP\cil to 11 socket -the.-tar1·1}>1ug_ such as 81, see F11'11"9 

·11 position sut.h as md1c11ted bl the dotted 12, contloUinp; cu No. 1 and IDllVUng it m Pl 
\ 

REF ID:A67800 

10 

the ].&Ck-socket identified with and control- the operatmg Cll'Cuit all the contacta of the 

lmg one of the idle cars, such for example, senes e•,. u previously described. 

as car No 6 Therefore, as tbe cylmder re- It thus results that this 1Dventlon constivolves signals will he" ft.ashed as heretofore tutes an elevator con'trollmg ayatem, com1 m car~ Wo. 2 No 3, No 4, Qd No~ 5, a.nd prmng a plurality of series of contacts 1., TO 

at the same time intervali, ana 11gnal1 will 2-, s•, etc., rota.ting with the cylmdt?r 8 aDCl 

be flashed in car No. 6 and 'J.t.s correspond- that each contact 62 of each senes is located 

mg lamps at the operating station, mstead m a diirermt circumference or row 199, 5IOO, 

of in the dJSabled car No. 1 and its corre- etc, of the eylmder • The BJ&t.em also com10 s~ncbng station lamps. p1'l88I a pair of w)ute anct ~ bghta such u ti 

In other 1t0rds. bY thlS 1ubat1tutlon of 85 and 108 or iipals earned 11.t each car1 

Jack-sockets, car No 6 will receive its eig- as wall u IC pair of lltatlODIJl')" white. and r.eCl 

nals between the Signals given tO cat No IS bghta snch as 86 and 105. that are Sashed 1n 

and car No 2, and as five .cars are still be- C011D8C'bon with md first mentioned pQJ.r~ 

11 J.!lg oper_ated, it will not be DeCHBIQ' to Further, each eall' of these 11gnals la .go_v- II 

change the ~tion of the selecb:ve contact erned bY a 1111.11e rotu.tmg contact 62- m the 

element 47. Instead of car No ~ any one particJJfar aenea to wluch the car in queaof the idle cars coulcl be utihzed m placie t1on beloqs beca111e each contact 62 nllkea 

of the disabled car by such a transfer u cil"OUlt at cbl.erent times with a .pair of conIO •hove cbacloaed, or m other words, bI the tact.a tO and 53 From the foregoing 1t will 1111 

iuhditutum of the Jack-socket uaociatecl .-0 be seen m additwn to beig ablt to aut0-

w1th the selected ear control the car-which IU\lcally.eontrol,the t1D1es of travel of each 

was taken. out of 181'\'Jce. 41: m nTrmfJ its up a.nd down trips and 

It will thus be seen that th11 s,yatem COIQ: ca11_11!11 the tlDle allcitted for an up tnp to 

a pr1aes a plunhty of stationary contact& be difetent from tile time allotted :fcir a do'Wn oo 

such as 40, each of which 18 adapt.ed to make trip, that bJ th11 mvenbon one 11 enabled to 

e1rcq1t thi'ougb. a 11ntable eonnectlon such transfer the ~nls of one car to another. 

as 88- or ~\.with a row -of 'COlltacta H CJr- without. interfenn~ with the 11p.als bemg 

cum:ferentiauy disPoled uound the cylmder jiftll tp the rema1n1ng ca.n, and to autoIO 8 as u mchc8ted for uam~le by the dotted IO&tically ~ each car when it is belund OI 

hne 199 m F.1pre 9 Thul BY.t.em also its aeheClule. Tins addi.tlOD&l or warmng com~ a plurality of atationar,r contaet.a m.gnal. when lashed on each car lets the 

&8, iach of winch 18 adapted to mike c1rcmt o,perator thereof know when be 11 behind in 

with each of the -contacts H 1D each row bis schedule, so that be can proceed without 

U such as that mdJ.cated ,by the 11a1d Jme 199. further st.ope to a terminal, and be ready to JOO 

Thu.t JS to •1, thu qst.em 1nv.olvea the 1118 at.art b11 nest round trip on scbedule tlDle ~ of a J>&I:r of stationary con~ mrJr II .fO It wtlI now be clear that 1f one observea a 

and ~ for each CU'CUIDferential row of con- select.ed group of elevators, and determme::s 

tacts auch u those mdi.cated by the dotted the average total bme req,uued bl any car 

• bnea 199, 20C}, 201, etc It will further be in the group to Ulllke a qwck etlic1ent J'ound lD.1 

seen that each contact 40 controls a ~r of ,trip, th.en dlVldea the total time so deterwh1te lights such u 85 and 88, one ~ miil8d by the number of elevators JD the 

atatJ.onar1 ancl the other on the. car or elev•- group, and then 11gnal1 the cars &UCCemvely 

tor It 11 ·also clear that each contact 53 to start their trips at mtervala of tun~ so 'Ob· 

41 controls R pair of red hgbta such as 105 and ta1ned, then th.8 carrym1f capacJ.ty of& sud 110 

106, ollf\ bemg stationary and the other on group of elevaton will ~ 1nc:i8as6d. wbereby 

the car Ltkewlee, the pail'8' of red hghts all of amd elevaton will become more efare ftashed mmultaneously The intervals fic1ent than before However1 1n detenrunof time between the ftash1ngs of the white ing these efticient running schedules it 1s 

• and red hJEhts may be made equal, or un- nece888rr to take 1ntqconmderation such fau- 115 

equal, by the rotatmg of the canto.ct ele- tors as the speed of the car, the acceleration 

manta 87 ana 38, around the 9hnder 8 It of the car, the dJStani:e to be travelled bv the 

will also be clear that each circumferential car, the parlnng time at the upper and th*\ 

:row of contacts such as 1~1 200, etc., con- lower te1mmals, the a.~e1"Bge number of stops., JIG 

II tams but one contact 52 be.longmg_ to any the avenp number of passengers, and the 

one series of contacts 1•, 2", etc. In other time required to open and close the doors RI 

' ' trQ.rds, when a contact member such RB 40 or aud st.op15 From ~ foregom_g dlSCloaure 13.,~CMs a parbculu contact member such 1t will be read1lv EeeD. thatl 1iv this construe-

.Ad 1620 m a given row of contacts such as ti.on, tbe ope1atlon of sai<1 elevators can bu 

to !00, l! .. 1gure 10, no circuit 11 made unless all controlled automatically so as tQ cnuae them JU 

of.._the contacts of the aenea such as Ga, to to start or stop or oth8rwl88 operate m t• 

winch the partumlar contact 620 belongs, selected Jn'OUP with refel"8DCC9 to 1111d interval 

have been selected for operation Tius se- of ~therebetween. 

lecbon 111 .-ccomphahed by turlllDg the mem.. As a 1pec16c eumple, take a building- m 180 • her 4:7 to aueh a position aa WJ.11 mclude m which there aN twenty ftoora to lie seried. 

. 

i 
REF ID:A67800. 

1,800,718 11 

the durtance from the dppcr tcumn.tl to thP 

lower term1:r;ial bemg 280 feet, and s11ppo:;e 

that the speed of the cle\ ators 1nclud1ng the 

car accelernt10n 1s !!ft.} 10 fef:t. pe1 &econJ. 

I Fwther, suppose the aH:1age time coru.t1111ed 

by each elovato1 1n mnk1ng the up ti 1p a::. 28 

seconds, that the o.\el"a~e n11ml.ie1 of ~fo)J'i 

ou the up tnp 1S 9, and it req1mcs (i f6l.011J=1 

for each stop, 01 that M secund.9 1s c.cm&umecl 

10 m the stops on the up tup, th.it the n\elage time of pa1kmg or stop_Pmg the elel"ators at the end of the up tr11> 1s ;; sewuds, 

that the runnmg tuue on the aleruJ!c of tho 

down trips 1s 28 second&, that tht• floor stop<:! 

Iii on the do\vn trip .. also .ne1n~e 9 rn n11111l>L1, 

and also <.'On&ume sny (, •e on.ls c.1ch 01 i4: 

sec.ond& ID all, anil th it the tuue f01 loJtlmg 

the 1ner11~ ele\ .1to1 un the up tt 1p 1s 11 

seconds The foregomg tune "hl'n 11J<led 

20 up would .consnme .m .nt>1.1gt' 1011n<l. t11.i> 

ope1atmg period, un<lt•1 thllt:e w11<l.1tions, of 

180 seconds of tune If tl}IJi 180 Seteml:t be 

divided by G, the nmul11il' pt- elt•\ i.tors being 

controlled, 1t "111 l.Je !>l!en th 1t the elc\ otors 

11 con be mm.t efhuentl.) 11111 cm on ope.i atmg 

scl1edule of JO fCLonds beh\.een the sta1tmp 

of suu:e<,sne ele\Qto1'S 

Aetuol pract1<.e has !!hown in 11 large number of tall bu1Idml!s that tlus lllethod of 

10 a.uton1ntically contmlhng a gioup of elevators l"e&U)ts m an inc.re l&e of the Sel Vlce of 

Saud ~roup 11mountmg to clS much KS 20'j(i 

',l'hat is m a llll l!B numbt-1 of cases a group 

of i> elc' ntors ha' e b<!en Illndt: to do the 

a;; \\01k: of b, ou•i long peuods <>f ti.ne In 

other "01cls it has been clemon&tinted relJenteJI) thut ll group of b elevlltors ench 

found to req1111 e about 180 '!cconds to com 

pll'te theu ioun<l tr11>s 11mle1 R.\erage l\01kto m,:t conJ.itions <.an lie ope1 Rtecl "1th mte1 - \Rls of .JO seconds bet\\"ecn s11cu?1t.""ne sta1t1ng11 {1 01n the buttoin nncl be lllJde to do the 

"ork of 7 elevators operutmg 11nJe1• the 

regullltion<:1 und ruleb heretofo1 e employell 

415 J .. ike\\ 1a• 11. group of 5 ele\ ato1 I! oper 1h.'<l 

\\1th mtervals ot Jb seroncls Leh\<.>ell r:.u<.-

ceS&ne sta1tmi,rs \\Ill do the work of 6 ele-

\ators operited as beretofo1c, and snrulo.r 

econonncs l'::\.tst m ope111tmg othu g1ouJ?s 

60 acco1dmg to tlm, metbod EspeuJlt~ eudent are these economies m the opei.1tton of 

eleuto1'S in ~roups \'then one l'mplo\ s d1 tferent peuorl& ot hme for the np md r}o,,n 

tr1p.c; to 001 respond "1th the fto\\ ot ti:\\ el 

IG at- abo,•e d1sclo!i!ed That is if lite ba\el 

on the llJ.l tup 1s \Cl) 11<.11vy and correc;1>ondm1rly hl!'ht on t11e <lo\\n trip a. total p<!llorl 

of 180 veeonds <.on eco11om1cull~ he• rcmsumed b} eoch ele' 1to1 if for exauapJe. 120 

GQ .t.eromlc; 1s tl"l!IJ!'ll('d to the up trip anll CiO second~ to the dn" n tur On the <1thc1 

honcl "hen the tro.,el 1s 'er\ 11c.1vy on the 

do'rn tup nnd coirespondmJ?IV hl!ht on the 

up h:ip, these periods mny be reve1sed by 

1sc;1gnm~ 120 Eec..'Oncls to the down trip und • (ill sc unds to the up trip , Fm the1 1t "1 ll be obHous t11at the signals 

to QlJrt c.1ch tar successl\ely nt mten-a..Js o.f 

lune obt.mu'tl ns abole, \vbclher the .s1_g_nal 

be fo1 an 11~ t111,, oi 11 <l.c:n\n trJp, s.1id m· ro 

tl'I"\ nls mll J>e 111 C) <:J&L the sum of the u tup 1111d the do" n tup l>emg equal to th 

tot.!!J_round-='-tr1p,t1me 1 bus there uJl 

e&tal>hsbed .J>J-!_erntmg sc!J.etlnlcs ''"h1ch." d 

pro\o mont e~nt bec.nuse of tl1e automa.tJ 

<.onh_fil;°RJ)d ns 11 u!5Ylt1.lu~.£11.~apac1t 

uf the hank of ele\. Jtors \vill be mcrease 

be .1'i1se each <.nr mil lie antomat1cally1 govCl'lll'"tl m its time for leavmg the ternunal 

ftou1 "Inch m turn ieduces the melieienoy 801 

llaereof due to the human eleinent. Further 

it "111 be ·obuous that the warning 8UD1&l 

<.ould as \\ell be gnen prior to the ne.:s:t dOwn 

signal, or a "aumng s1gnnl could be given 

m each c11r prior to the next up s~uI and II 

prior to the next down signal or m other 

words, t\\o \\arrung Signals 0011fd be given 1f 

necessary Sueh a ne<.8'c;1ty nught anse m on extremely tall buildJDg where the. tra:ftic 

in one threct1on covered an appreCJable tlDle 80 

1''111m die forego1!8, therefo1e, it wJ..11 be seen 

that upon SJgnalbng each car prior to one of its starling signals (either up or dO\vn) 

to 1nchcnte a late ~it.ion 1n its schedule, 

the clhl iency ol said scl1edules will be mnm- II 

tamed, because a ca1 which 18 lat.e, upon i:ece1vmg 1te warning Slpal, will express to 

thfl &J>Cl<.1 hed termUllll m order that it mai 

le'l\t' an.cl operate on the usual schedule and-

•llpon tbe 1ece1pt of its subsequent signal 1 100 

It wdl no\v ulso be clear t11at while tlus 

broncl method of econonuco.lly runnmg el~­

' ntors JS conven1e.11tly carrJ.ed out b) the 

111ec.'hamsm. dJSClosed 11bove, it mny nlso be 

c 1.111ed out bv tb!>Se skilled m the art with 10J 

other mechamsm.s Further, it w1ll be ol.J-

' 1011s that the steps and comb1ru1tions of 

11t.eps constitutmg this method :oiay be 

uued \V1thout departing from the spirit 

of the 1nvcnhon, and the.iefot'C rt. is not do- 110 

Sll'ed to be lmuted to the abuw tl1S<.losuu __ e'c..ept as may be ~u1red bv the claims • , What is claimed ic; - • 

l The method of In 1euc;inl!' the cJinmg:~ _, cnp.1utv of a ban~ of el1•vntu1 Lal'S '"lnch 111 

.11 l' nm"nml! belo\\" norn1al <.npymg c tpncit)j 1 

'' lm h eon!li'll '1 m detPrmmmlo? tlic a 1 c1 ng'l 

tot.ll tune requhed uy an7 ono of tht> l"'n1i 

m the bank to in.tke nn efflC.'1ent 10u11d h IJJ ,1 

dn ulmg tlus tnr1e hv the number of cnrB m,120 

the bunk, nn,l' btgnnlhng euelt of tlae cu~c;. : , SlllCfSFl\l'h to sb•rt 1ts rmmd tup fro 11 ,\JI\ , 

~tH' 1 pnnit at mtel\ nls of luue 1.0 .obtnm~ct 

!! 'J ht' methocl of JTI( 11!.tsmg the•cJrrymg 

cripn'C'1h of 11 bJnk of ele\lltor C"Jars \\luch JU 

nir 1 um1m~ below nounal cairvmg capo.c1h• 

"lul'h co11&1sts in determ1nmg the avero~re 

total tu11e rt!(Jlllred bv any one of tbe c11i s 
REF ID:A67800 • 

Sii, 

in the bank to make an dicum.t up trip and 

an eflloient down tn2, d1ndmg the sum of 

t11Dt8 so determmed by the number of .an 

.m the bank;~ each car BUcoellBl.vely 

• to eta1t its up t.rip at intervals of tune so 

obtained 1 and theD. mpallmg each car to 

•rt its down tr9.> at the mterval of tJJ,De 

.aft.er the &tart of its up tnp winch has bf!en 

determmed for such up trip 

10 8. The method of 1ncreasmg the carrying 

capacity of a bank of elevator cars which 

are run~ below norm."1 ca~g capacity ,.•hich coDSistB in determmmg the average 

total time DBqUU'ed ht anI_ one of the cars 

I• in the bank to make an eftic1ent round tnp 

from the followmg factors, car speed car 

ac:celerat1on, height of bulldmg, top par'bng 

time, bottom parking t11ne, average number 

of stops, avera~ number of/assengers,, and 

20 the tune ~uuid to Opel! an close the aoors 

at each stop; dmd1ng the total tune so determined bj the numtier of cars m the bank, 

and SlgDll}ung the cars successively to start 

their tnps at mterval'i of tune so obtained 

21 4 The method of mcreasing the carrymg 

capam.ty of a bank of elevator cars which 

are runniDI{ below'normal carrymg c11pac1ty whlch con.lflsts ln determining the average 

total tune reqmred by nny one of the .cars 

l1CJ in the bank to make an eftic1ent np trip and 

an 1 efficient down trip for each of Several 

ddl.erent portions of a day from the follov. - IDIJ factors,, car .speed, car acceleration, 

height of bmldmg, top parking time, bot11 tom ~arlung time, ayer,!'~ number_,of stops 

nnd tbe al-erage number of passengers on 

the up trip, avera~ number of stops and the 

average number of passengers on the down 

trip, and the time required to epcn and close 

40. the doors at each stop, dn 1dmg the sum of 

the. t1n1e for an up trip and for a down 

tn]>. by the number of cars m the bank, s1gnallln.r each car to start its up trips and 

signalling each cai to etart its down trips 

4'i <luring any 1>ort10n of the dav at mt.ervals 

of time for the up tnps and down trips so 

determined for that portion of the d11y, and 

.causing tbe SJgnal fo1 the start of the up 

tnp for each car to "'Uccess1vely occur at the 

'HI interval of time so obtained 

5 The method of 1ncr.easmg the carcy-mg 9~pacity 2t " l>-,nk of elevators which are 

r11nnmg below normal carrymflt capacity 

l{b1ch conmsts in determimng flte aveu\ge 

111 total tune reqwred for any car to complRte 

an eftic1ent round trip for encb of several 

po111ons of a day mcludmg the tllne re111iired to make an e:ftiCJent up tnp and an efficient down tnp; malnng mp;nals for each 

111 ear to start its succeanve up trips ID cycles 

of mtervals of tune so obtamed, mak~ mg- na1s for eseh car to at.art its down trips at 

other 1nterval11 w1tlun the cycle, va.rymg 

these 10,tervals duril!.R: cbferent J>Ortlo:Ds of 

ta the day to cornaponcl to the tune determmed 

for that portion of the da.Y. withe>ut mterruptmg the makmg of the signals, dmdmg 

the interval of the e]ocle time by the :n1~mber 

of cars m the •bJn,k, and cauBlDg the signal 

for the start of the up t.np for eac..h. succes- JO 

mu car to be made at mtervals of tune so 

Abtamed. 

6 The method of mcreumg the cariylDg 

cnpac1ty of a bank of elevators which are 

running ~ow Dbrmal carrying c.i.pacity Tl 

which consists in determining the average. 

totnl time rt¥1Wred for an1 car t.o complete 

an efticlent round trip 1 d1v1ding this tune 

by the nUJ11ber of cars m the baiik, makmg 

signals to start each car succl"!sively at m- so 

terval'i of t1D1e so obtaine~t thus causing the 

s1gnol for the start of tile succ8SSlve up tr1~s for any car to be made m cycles eq11nl 

tof.hetotal.roundtnpt1me, determm1ng the 

time required for an ef6.ment up trip and an BG 

efficient down trip for oac.11 of' several different portions of a day, makmg signals to 

llt:irt each car on its down tnp at other mtervals withm the cycle -preuously deter· 

mmed and without mterrupting the mak:mg DO 

of the mgnals, and vagmg tliese other intervals durmg any J>Ort1on of the da:) in accordance with the times determmed for that 

portion of the day 

7 The method of mcreasmg the can'Ymg u:; 

capacity of a bank of elevator cars whu:h 

are runnmg below normal carry1ng capacity 

which consists 1D detemuning the avero.se 

total fame required by any one of the cars 111 

thl' b11nk to make an efficient round tup, di- lDO 

v1d1ng thJS tune ~ the number of cars m 

the bank, mgnaJhng each of the cars succes- .. ively to stal't its round trip from any given 

point on schedules at mtervals of time so 

obtamed, and mamtaimng said schedule hI 10.'i 

s1~alhn~ & delayed car to proceed to said 

gn-en _pomt 

8 The method of mcreasmg the careymg capacity of a bank of elevators which are 

running below Dormnl carrymg capacity 110 

wluch conmsts m deteJ."m1mng tlie average 

total tune i-equtred f o-r any car to complet.e 

an efficient round trip, d1v1dmg this tune by the number of cars in the bank, mnkmg signals to start each car succesBlvely on sched- 115 

ules nt mtervals of tlme so obtained, thus 

caumng the mgnal for the start of the successive up tnps for any car to be made m 

cycles equal to the total round trip time, determm1ng the time required for an eftic1ent l!'I 

ur tnp and an efticient down tri11 m one 

o sud cycles, makmg mgnals to start the 

down tnp o.f each car successively on schedules accord.mg- to the mtervals of tm1e so obtamed, and mgnallmg each cs.r prior to one 1~'1 

of its start1n~ signals to md1cate a lo.t.e cond1t1on whereby said schedules may be ma1ntamed 

In testimony whel'eof I aflb. ~v ~at11.rc. 

FRANK E BOAB.DK.A.N 

- .... 

j_ 

~ 

' 
Sept. 21 , 1926. 

Cl 

• REF ID:A67800 

F E BOARDMAN 

METHOD OF CONTROLLING ELEVATORS 

• 

1,600,753 

Original Filed April 12 1924 4 Sheets-Sheet 1 

00. 

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• 

Sept. 21 , 1926. 

REF ID: A678QQ_ 

-• 

F E BOARDMAN 

METHOD OF CONTROLLlNG ELEVATORS 

l,600,753 

Original riled April 12, 1924 4 Sheets-Sheet 3 
• 

Sept. 21 , 1926. 

li) • 

--... --Lf-.-- _,,,,. 

·:~--~ l ..... ._.I I _.._,, 

:: :J 

F ID:A67800 

F E BOARDMAN 

METHOD OF CONTPOLLING ELEVATORS 

I,600,7$3 

Original Filed April 12 1924 4 Sheets-Sheet 4