• 

•• 

Patented SepL 27, 1927. 1,643,852 

UNITED STATES PATENT OFFICE. 

ll'BBDBBICJ[ llOBJU.l!l Lll!lBTOW, OJI' BBBBVBll-Ol!l-'rYlllll, DGLAlm, A18IGl!lOB TO 

A BBYBOL;r.JI 6 COKl'AITT LDDTBD, OJI' BllBBVBll-011'-'rYD, Bl!lGLAJD>, A BBITIBB 

CO:KPAJJY 

BLBCTBIC TIKB-BLBM'Bll'l' DBVICB 

Appllaat!oa lle4 .&prll 11, 118', lerlal •• 708,lot, au fa Clreat Britafla JlaJ' 1, 1m 

ThlS mvenbon relates to electric tlme-ele- the action of a sprmg BO as to make the II 

ment devices such as are used for example necessary operative engagement between the 

for clos1n' or 01_>eD1n' c1rcmts when some gears This engagement will contmue so 

predetermined tllDe mterval has elapsed lonJ as the solenoid or electromagnet 18 en1 after the action of the device has been er_gized and disengagement will then be 

started e:tfected by means of the sprm_g _ ID 

Various types of such devices are known, Each time-element lS prcm.ded with & 

driven m various ways for instance by contact-makmg device or devices o_perated 

sprmg or weight driven clockwor"k trams or by the rotation of its spmdle For iDst&Dce 

10 by electric motors the spindle may carry & dl8C having ape- In certain situations, as for example m a npheral cam surface or two or more mCle- Ii 

central station or substation 1t is often neces- pendent cam surfaces each such surface cosary to employ two or more of such time- opeabng w1tb one end of a pivoted lever or 

element devices and according to thlS 1n- levers and the other~ end of such levers 'Jil&Y 

11 venbon, instead of ilinng a number of sepa- control the f10S1t1on of sprmg contacts so 

rate elements each with its own dr1v1n_g that at any desired pomt m the cam pe- TO 

member, what may be termed a multiple riphery such contacts ma;r be mther cloiied 

tune-element device is employed having one or opened as desired ThlB enables any dedrivmg member with which, when required, sired sequence of operabons winch JS deIll any or all of the separate devices can be pendent oil the circuits controlled by the 

brought into or out of operabve engage- spring contacts, to be- either sta.rted or fl 

ment sto_{>ped m the right order, and with any 

This common dnvmg member may be of desiied bme interval between the respective 

any sllltable form but it 18 preferred to make operations Qr again the cam or contact16 it as a shaft rotated at a slow and uniform making disc may be driven from the spmdle 

speed by a small electric motor driving the of the time-eleriient device through a worm • 

shaft through a worm reduction gear and worm wheel This latt.er constructJ.on 

Upon this shaft are mounted a. number of is preferably used when a long time interval. 

toothed p1n1ons or other drivmg members is reqwred between the moment when the 

ll• which rotate with the shaft, each one of electromagnet or solenoid 18 ener~ and - these pm1ons hem~ in proximity to a gear that at which the- contact is. required to be u 

wheel on the spindle of one of the separate made. 

time-element devices Or agam, the cam or cams may be made 

Thus for example the driving shaft may to operate mechamcall:r l~ or tnpymg 

I& have mounted upon it four pm1ons and there devices, either independently or in CODJUDCmay be two time-element devices mounted tion with electncal circuit.a, so that whev. II• 

on the sllme base or bed-plate on each mde operated such tnps or cll'Cuit.s cannot be 

of the shaft, each time-element deVIce hav- re-operated unbl reset by mdependent demg a spindle parallel to the dnvmg shaft visie, or by hand afte.r inspection By such '° and bear111g a gear wheel which can be means, should any sequence of operations 

brou::rht into engap!ment with the proper persist beyond a desn'ed pomt, these o~- ti 

pmion on the drivm2 shaft. tions can be stopped, and any nsk of fail-.. 

The operative engagement between each ure or acCident prevented 

drivmg pm\on and its time-element device Each time-element device lB so con-

'6 may be brought about 1n any convenient structed that it lB automatically returned to 

way but p1-eferably the drivmg pinion is its zero pos1bon when it JS brought out of -100 

fixed on tr1e common duvmg shaft and the operative engagement with the common 

spmdle and gear wheel of the tun~-element duvmg member This resettmg operation 

de' ice are moved the requisite short dis- may lie either instantaneous, approXJ.mate 

IO tance to bnng the teeth of the gear wheel average or average resett~ Such resetmto and out of mesh with those of the driv- tmg may be conveniently brought about by Ill 

mg pmion , Conveniently each tune-element a spring which lB wound up bY the rotation 

comprises Ii solenoid or electromagnet which of the sp1ndle due to the engagement of the 

when energized. moves its spmdle against time-element device with the common dnvlA\pproved for Release by NSA on 09-05-2013 pursuant t~ E. 0. 1352§ 

... 
, 

REF ID:A67795 • 

ing membert such sprmg starbng to rot.a.ts time-element cont.act malring devices C and 

the SJ>mdle in the Opposlte direction and C' and- two other s11mlar d.8VIces c• and c• 

reset the t1111e-element RS soon RS chsengage- are cb8J?089d on the other side of the shaft 

ment 1s elected These time-element deVlCl!S each comprise a 

I For mstance when qurek or pracbcally spindle carrying a gear wheel and some ro 

mstantaneous resettmg JS reqmred the means, not shown, of causmg the spindle to 

sprmg ma)' act directly on the spindle of move sb as to bnng its gear wheel into enthe time-element dence On the other gagement with the cooperating p1n1on on 

band should average time resetbng be de- the shaft B Tlus movement of the spindle 

10 med and thtt tune-element Bpindle dnve the may be caused for mst.ance by an electro- '" 

contact-making cam through gear, then the. magnet 1DS1de the CUJ.ng shown as ,J>•rt of spr~ may be arranged 1n or on the drum each bme-element d8VIC8. Each t1me-eleor disc which carnes the cam so that the ... ment device is pro11ded with a sprmg D ~nng m nsettmg lias to drive the spindle actmer to return the spindle t.o its normal 

11 ti8ck through the gear In either case any position when the electromagnet IS deener- • 

convenient form of fly governor duh-pot jpzed and thus withdraw the gear wheel 

or other device acting as a speed J'!!Plator from en_gagement with the cooperating dr1vor brake may be used Or again wbire av- mg pinion 

erage resettmg 18 desired the relative pOSl· As shown m Figure 1 the tune-element C 

20 tlons of the dnvm,- and driven members, in is pronded with a ,gear wheel E adapted t.o II 

the en~ and d1sengaired pos1bons, taken engage with the pinion B' and the timem CODJUnctlOD with the chsplacement of the elements C' c• c• have'gear wheels E' E1 

cam or cams from the zero position, can be and E• which cooJ>erat.e with the dnvmg 

taken advantap of to mtrodoce a reverse pmions B1 B• and B• respecbvelf. , 21 dnve, operatsd by the driving motor unbl The time-element C ha• upon its spindle It' 

the zero poBition is reached, and 1h this man- a cam chsc F which as it rotates moves a 

ner any aemred ratio between backward and p1voUK1 lever G controllmg contacts .H 

forward drive can be obtained S1m.darly the tune-element 0 1 has a cam 

It will be a_ppremated that JD a mulbple dlSC F' actmg through a pivot.eel lever G' 

ao t1D1e-element dence according to tins inven- on contacts H' TheSe two time-elements C II 

ta.on a number of devices havmg very dif- and c• are intended to reset themselves as 

ferent tlDle mtervals may all be dr1 ven from soon as their gear wheels are disengafj, the common driving member and that such from the dr1vmg :pinions and thtrefore 

tune mtervals as are dec1ded on for each are shown as proVIded with springs J and ' 

35 t1D1e element, may be made adJnstable ~tively which are wound up by the ro- • 

between .zero and the limit decided on, tation of the spmdles and cause those B,PlDand that qmte apart from differences of dies to rotate rapidly m the opp0mte d1rec-

' cmud.rllcbon m the t1J11e-element devices t1on as soon as tlie gears are d1sengaaced 

themselves, different time intervals may be The ta.me-eleu1ent devices C' and C• have 

40 obtamed by suitably arranging the gear not cams or hke contiu.-t-operabng devu.es 105 

ratio& between the pinions on the common directly.mounted on their spmdles but drive 

drivmg member and the cooperating gear contact-operating ca1ns F• and F• through 

wheels on the time-element devices worm gears IC' and JCI These cams Fl and 

In the accompanying draw1np, whu.h F1 operate pivoted levers G1 and G• which 

41 tllllltrate by wa1 of example a multiple act to close the contacts IP and H 1 110 

tune-element deVIce more especially intend- The return or resettl~ n1ovement of the 

ed for UBe in an automatic or Beml•&Dt.omabc time-element deVIC88 0 and 0 1 may be 

electnc power substation, 1 brought about b_y -~rmp acting either d1-

Figore 1 is a diagrammatic view showing rectly OD the s_pindles u in the case of the 

10 one construcbon of multiple time-element tame-elements c -.and C' 0!.J if the worm gear 111 

device accordm:r to tin"! m Vl'nt1on • JI reV818lble, acting_ on tne Bplndles carryFipre 2 IS a plan of another construction lDg_ the cams J'I and r 

showing the. eEential parts with more me- Further detuls are not ~iven in connecchanical detail , t1on with Figure 1 as that as mtended to be 

H Figure 8 is a transverse section on the a diagram showlD~ merely the general ar- 120 

lme ~ 8-8 of Figure 2, and • rangement of the improved multiple tune4: and 6 are Jongitudmal sectioDB element device. Further details of some of 

OD tile hnes 4:--4: and 5--6 respectively of the essential parts are shown 1n Figures 2, 

Fi~~ 2 8, 4 and I. 

80 With reference first to F1~re 1, A ind1- In the arran_gtm!ent illustratsd in Figures 121 

cates a motor dnv1ng through some known 2, 8l4: and 6 the dnv1ng motor lB indicated 

form of reduction gear not shown, a shaft B at ' and the mam dnv1ng shaft at A•. 

on which are mountsd pm1ons B' B• B• On thJS driving shaft are three pm1ons B1, 

and B•. B• and-B', thi _pm1on B' being_ shown on 

815 On one mde of the main shaft B are two Figure 6 With the pm1on B' , can be 1ao 

' 

• 
9 

,, 

• REF ID:A67795 • 

111481811 • 

broqht mt.o eng~t either the gear COD_]UDCbon with an underload relay to CODwheel E• or the gear wheel E•, the neces- trol the shuttmg-down circuits for the subJJ&ry motwn of the particular gear wheel station generator, is )JkewJ.Se driven ~ JJD.~d to its spmdle by an arm L tbrou~ a worm 'M'.', spmdle E• and gear 

1 or L which forms _part of the armature of wheel E10 the spindle tiemg moved by the fO 

an electromagnet L1 or y-.... The spmdle armature arm L' of an electromagnet L•, 

carrymg the gear wheel E• forms part of the drivi~ member being the pimon B' 

one tune-element device which may be em- (Figure 5) on the main shaft A1 In this 

:ployed m connecbon with the synchroniz- time-element device however mechanism is 

10 mg of the substation ~erator, Ud CUTles' provided for reversing the direction of ro- Tl 

a contact-operatmg cam Ft Thm cam has tabon of the cam drum F 11 ... This mechaan o~a~ surfaCe actmg on levers G• and msm 18 shown ID Figure 5 and comJ>rises 

<P winch act on two pairs of contacts B• two plDlons B• and B• moup.ted on a pivoted 

and H• lever B10, and dnven from the pm1on B' 

11 Sm11larly the spmdle carrymJ the ~ The spmdle E• can be moved so that the 80 

wheel E' dnves a contact-operating cam F• par wheel E10 either engages with the pmwhose surfaces cooperate with pivof.ed levers ion B• as shown or engages directly with 

& and G' actmg on contact.a H• and Ht the pm1on B' The back:ward drive through" 

The gear wheel E•, the cam F' and one set the p1mons B• and B• IS stopped as soon 

10 of levers and the contacts are shown more as tlie cam drum returns to its zero pomtion 11 

clearly m sectlonal elevation lD Figure 4 and for m that position a pm B11 at the free 

1t will be understood that the construction end of the spring-controlled lever B10 (F1gof the cam Ft with its levers and contacts ore 5) drops mto a recess F 11 1n the upper 

may be of a smnlar character edge of tM cam rmg F 12 Thus the lever 

I& As will be seen by re:fErence to Figure 4 will rock shghtly and take the p1n1on B1 • 

the spindle E• upon which the ~ wheel out of engagemert with the p1mon B' 

E1 which forms part of a second tune- The cam drum Fi.1 has three operating 

element deVIce 1.1110CJ.ated for exa.mple with rmgs or surfaces F11, previQusly mentioned, 

anoverloadrelay,1smounted can shde m the and F 18 and F 14 The ring F11 1s shown m 

ao cam F1 &plDSt the action of an adJustable Figure 3 m conJunction with a pivoted ta 

spnng D' The lever G' does not act direct- lever G11 and contacts B• eperated thereby 

ly Upoll the contacts H' but on another A spring G11 keeps the lever G11 against 1te 

P!VOted lever o•• _Provided with ii. SJ?nng G• cam surface F12 Other levers an<f contacts 

The resetting sprmg J 1 IS housed within the of sundar construction are proVIded woik16 cam F• mg m con1unction with the cam surface& or 100 

The two other time-element devices, 1 e rmgs F11 and Fu but they are 01D1tted for , those shown on the right-hand suie of Figure the sake of clearness 

2 are each driven th.rough worm reduction The cam rmg or surface Fu lS driven fr1c- ~ The cam drum F' of one of these tionally from the drum F11 through a spring '° time-elements mtended more especlally for mdicated at F 111 (Figure 3) and has a pro- 100 

controlling the starting-al> C1rcu1ts for the J_ect1on F11 working between two fixed stops substation gener&U>r, is driven by the worm F 17 and F 11 (Figure 2) By this arrangeM with which the spmdle E' IS m shdmg ment 1t 1s poSS1ble to ensure that the contacts 

.,.gement. Upon tlns spindle 1s mounted H 10 (Figure 2} controlled by this cam surd the gear wheel E• which can be brought mto face Shall be operated directly at the first 110 

and out of operative engagement with the part of e1the~ the forward or backward 

drivmg pinion B' by means of the electro- movement of the cam drum F 11 , 

m•et L• and its armature arm L' A re- It wlll be appreciated that a multiple setting spnng J• causes the return .move- tune-element device of the land described 

IO m.ent of the cam drum ThlS .cam drum F' can be used in many circumstances where 116 

has three operating surfaces F', F1 and F' it 1s necessary to have a number of elec--

(F1gure 3) Each. of these surfaces works trically-contrOlled operations performed m 

m conJuncb.on with a pivoted contact-oper- a proper sequence Operations of this naatlnJ lever One of th.ese levers, that coop- tore are required for instance m the auto11 era!ing w1j;h the sorface F', 1s shown at G1 mabc or semuiutomabc control of electric IBO 

10 Figure 3 with its contacts H1 The levers power substations and the multiple tuneare held agamst the cam surfaces by springs element deVIce particularly described 1s 

of winch one 18 shown at G10 (Figure 3) pnmartl;r intendea for this purpose 

The cam nng or surface F8 ts ad1ustable What I claim as my mvention and desire 

80 1,'elat1vel1 to th.e drum F' to alter the pos1- to secure by Letters Patent is .- 11!16 

bon of its throw This adJustment may be 1 In a multiple electric time-element deeirected by m~ of the nuts F1' shown 1n vice, the combmabon of a· ungle driVIng 

Flg!l1'8 2 member, means for rotatmg this member at 

The cam drum F 11 of the remainmg time- a slow and uniform speed, a plurality of 

ID element deVIce which may be em.ployed m separate and diSS1milat time-element con- 180 

) 
• REF ID:A67795 

1,M8,IH 

tact-operatl!ll devices, an operative dr1vmg 

connection for each device suited to tlie partu:.ular tune rhara<.teu'!tl"h of the device, anti 

a plurality of '!P,Parate 11n1l mcll pemlently 

I actuated Dlefihn.111sm-1 ret.pe111vel1 adapteil 

to bring the drn mg conuect1on!!i mto or out 

of operatn e en1tagp1iient, "1th the mngle 

dr1vmg m1mber 

2 In a 01ult1JJle electr1r t1111e-ele1nent de10 '1ce1_ the combm11t10n of 1:1. smgle J11vmg Bhan, meatl& for rotatmfr the ~hllf t KL a ::.low 

Bild uniform i;peed, B 1JlUrahty of pinion .. mounted on tile &haft, and a vlurabty of 

separate and du.sun1l111 tnne-denumt f'fJDhu t11 >i>eratmg device& each compr1smg 11. plurality 

ol t.ontacb., a rotatable t-onta<.t-maker foa 

actuatmg su<.h cont11cts, a gear " ~eel, an oyeratlve connection bet\\ePn the ge111 "heel 

and the contact m11kcr &mtcd to the p.t1 ti<.-u18 lar time character1suc:. of the de\ are, and an 

electromagnetic mecham&m for brmgmg the 

gear wheel into o_peratne engagtment with 

the appropriate p101on 011 the drn 1ng shaft 

3 In a multiple electr1t lime-element dea vice1_ the combmat1on of 11 .. 111gle d11vmg 

Bhatt, an electru. motor fo1 rotatmg the shaft 

at a slo\\ and uniform &pPE:d, a pluial1ty of 

p1n1ons mounted on the idlaft, aml a plurality of separate t.1me-element contart-operIO atlng devices ea• h compr1smg a rotatable 

-contact-maker, au ax1all,r mo' able spindle, a 

gear wheel mouuteJ on the 11pmdle, an operatiu t-onnect1on bet\\een the spmdle and the 

contact-maker t.u1ted to the part1c.uJar tl.Dle 

tll character1st1c& of the device, an electroma~­

net1c mechanism for- 01ovmg the spindle 

axially so as to bring the gear "heel into 

orratl ve engagement lVlth the ap!Jropnate 

pimon on the drn mg 'Shaft, and means for '° return1n• the 11pmdle and the contact-maker 

to their 1mt1al pos1l1uns "hen the device is 

disengaged from the drn mg shaft the said 

means 1n q.t._le&!!it one of the dev1t-es 1nclud1ng 

a sprmg whereby the conta<.t-maker 1s m411 stantaneously reset. 

4. In a mlllbJ>le electr1<. tune-element deTICe the comb1nat1on of a smgle driving 

shaft, means for rotating the t.11aft at a 11low 

and uniform speed, a plurality of p1nion11 

10 mounted on tlie shaft, and a plurality of 

separate and dissimilar time-element contat.toperat1ng devices each compns1ng a plu1 ality of contacts, a rotatable cfisc, a p1unlit:y of 

cam rings so disposed on the drsc that the] 

11 will operate the contacts when the disc 1s 

rotated, a geai wheel, an operative connection between the gear wmel and the dlBC 

m1ted to the particular bme cbaracter1St1cs 

of the device, and an electromapbc mecha- • Dlllm for brmgmg the P.ar wheel into o~­

at1ve engagemeQt with the appropnate 

p1mon on the dr1v1• shaft. 

6'. In a mult1J_>le electric tune-element device1_ the combination of a mngle dnving 

u aban, mellDS for rotating the aft at • slow I 

and umform cipeed, a plurality of pinions 

mfJunted on the &haft, and a plurabty of 

<separate and d1st.1m1lar time-element contatt-fJpe111tmg deu('es earh t·omJ>rismg a rotatubfo t'Ollllltl.-maker, a li\nndle, a gear TO 

"l1eel mounted on the spmd e, an operabve 

d1 n mg eonnectiou bet" een the spindle and 

the t'Ontal.l-rnaker, and meaIL<:. for moving 

thf' sinndle &o as to bring the gear" wheel mto , or out of operative tmgagement with the ap- Tl 

propr111te pm1on on the dr1v1ng shaft, the 

operatne drivmg connection 1n at lea'St one 

of the dem·es lie1ng such that the spindle 

drn·es the contac.t-maker directly but can 

slide a:ually relative thereto 80 

6 In a multiple electric tune-element de-

' ice, the c."Omb1nat1on of a s10gle drrv1ng 

cihaft, aneam. fo1 1 otating the shaft at a 

slo\\ and umforrn ~'a plurality of pinion& mountell on tlie shaft, and a plurality Bl 

of ;:,tparate and diss1011lar tune-element contatt-o_peratmg devices each compr1s1ng a rotatable tontact-maker, an u:1ally movable 

spmdle, a ,rear wheel mounted on the spmdle, an operatn-e drn mg connection between to 

the spindle and the contat't-maker sUited to 

the paruc11lar tune characteristics of the 

de' H.-e, and means for movmg the spmdle 

axially "'O as to bring the gear wheel into 

or out of operative engagement with the H 

app1'0J?r1ate J>1n1on on the dr1vmg shaft, the 

operatn e drn"lng connection 10 at least one 

of the de\ 1cea1 comprising a slee' e so mounted on the spmdle as to rotate therewith but 

to remam unalected by the a:ual movement IGD 

thei-eof, a worm ~n the sleeve, and a worm 

wheel engagmg with the worm and connected d1recUy to the contact-maker 

7. In a multiple elttlric time-element device, the c:ombmabon of a a1111gle dnvmg 100 

me1Dber, mea11s for rotat10g tblS member at 

a slow anJ unaform speed, a plurality of 

separate and d1ss1mllar time-element contact-operatmg de' lt.'t!S, an operative driving 

connection for ead1 device swted to the ~r- no 

bcular ch11ral.ter1stacs of tbe device, and a 

plurality of separate and mde~ently actuated mechan11f1ns respeti1vely adapted to 

bring the drn 1ng connet..t1ons mto or out 

of OJ>t!ratn e engagement 1' 1th the mngle ns 

dr1v1ng member, tlie operative dr1vmg connection for at least one of the -devices 1nclud1ng worm gearing and revemng gearing. 

8. In a multa,Ple elecll ic tune-element de- llO 

vice, the combmat1on of a single dr1vmg 

member, means for rotatmg th• member at 

a slow and umform speed, a plurahty of - separate and d111nmdar t11ne-element contact-operating devices, an operative dnvmg Ill 

connection for each device suited to the partreular charactensbcs of the ~ aDd a 

plurality of sepante and independently actuated inechanlSlDS respecb:velj adapted to 

bring the dnvmg CODDectJons mto m out of 1• 

' 
• REF ID:A67795 • 

1,HB,811 a 

operative engagement with the 11mgle driv- 1~ member, at least one of thP contact-operating devices comprunng a rotatable contact-maker, a spmdle, a gear wheel mounted 

I on the spindle, worm gearmg between the 

spmdle and the contact-maker, two pm1ons 

driven m opposite tlirecbons by the drmng 

member, and electromagnetic mechanism for 

brmgmg the gear wheel mto operative en10 gagement with one or other of the two pm1ons whereby the contact-maker can be 

dnven either in the forward or the reverse 

direction 

9 In a multiyle electnc time-element dell vice, the combination of a single driving member, means for rotating this member at 

a slow and uniform spee{\. a plurality of 

separate and du1simllar time-element r.ontact-operating devices, an operative dnvmg 

zo connection for each device smted to the particular time character1sbcs of the device, and 

a plurahtv of separate and mdependently 

actuated mechanisms respectnely adapted to 

brmg the driving connections mto or out of 

U operative engagement with the mngle dr1vmg member, at- least one of the contactoperating devices including a plurality of 

contacts, a rotatable disc, a plurahty of cam 

nngs so disposed on the disc that the~ will 

30 operat.e the. contacts when the disc 1s rotated whereby the de\ ice can be employed 

to cause a senes of operations to be per-

-formed 1n a predetermmed sequen6e, and me~ns for adJust1ng at least one of the cam 

311 rmgs relatively to the disc whereby the time 

interval between successive stages m thesequence of operabons may be varied 

10 In a multiple electnc time-element device, the combination of a smgle dnving 

40 member, means for rotatmg tlus member at 

a slow and umform speed, a plurality of 

separate and chssunllar trme-element contact-operating devices, an operatil e driving 

con.necb.on for each device suited to the par45 ticular charactensbcs of the device, and a 

plurality of ae~arate and mdependenily actuat.ed mechaJUSmS respect1vel_y adapted ta 

bnng the dnv1ng connections into or out of 

operative engagement with the single driv60 mg member, at least one of the <'bntaet-operating devices mcludmg a rotatable disc 

a plurality of cam rings on the disc one of 

these nngs bemg driven fnchonally from 

the d1SC, a finger or proJecbon on the fr1c- • H tionally driven cam rm~1 two .fixed stops to 

linnt the movement of tb.e finger or proJectJon and a plurality of contaets operated by 

the cam rmp. 

11 In a multiple electn.c tune-element de80 V1.ce the combmation of a smgle driving shah, means for rotatmg this shaft at a 

slow and umform ~' a plurality of pm1ons mounted on the sh&ft, and a plurabty 

of separat.e and d.I.,milar tune-element con11 tact-operatmg dencea each compnsmg a rotatAble contact-makeir, a gear wheel, an operative dr1vmg connection between the gear 

''"heel anrl the contact-maker smted to the 

particular time charactenst1cs of the deY1ce. 

and means for movmg the gear wheel mto iO 

or out of engairement with the appropriate 

pmion on the dr1vmg shaft, at least one of 

the de,•1ces mcludmg a sprmg whereby the 

contact-maker is msf.antaneouSly reset when 

the gear wheel 1~ disengaged from the pin- 711 

ion, and worm ~anng which forms part of 

the ope1 ative dnving connecbon and is so 

arranged as to allow the contact-maker to 

be reset by the ~nng 

12 In a. multiple electric time-element 80 

device, the combmation of a smgle dnv1ng 

shaft, means for rotating tlus shaft a.ta slow 

a.nd uni form speed, a plurality of p1mons 

mounted on the shaft, and a plurality of 

i:;epa.rate and dJSS1milar time-element con- II 

tact-operatmg devices each c'ompnmng a 

rotatable contact-maker, a par wheel, an 

operative dr1v1ng connection between the 

gear wheel and the contact-maker suited 

to the particular time eharactensb.cs of the ID 

de,•ice. and means for moVIng the g8!&r 

wheel mto or out of engagement with the 

appropriate _pinion on the anvmg shaft, at 

least one of the devices having means for 

mstantaneously resetting the contact-maker II 

"hen the gear wheel 1s disengaged from the 

pimon, while another of tlie devices has 

means whereby the driving abaft dnves the 

contact-maker m the reve1'88 direction for 

resettmg purposes. 100 

13 rn a multiple electric time-element 

de,•1ce, the comb1nat1on of a smg!e dr1vieg 

shaft., means for rotating this Shaft. at a 

slow and umform speed, a 1tlurahty of p1n1ons mounted on the shaft, and a plurabty ios 

of separate and d1ss1mdar time-element contact-operating devices each "'"compnsmg a 

rotatable contact-maker, a gear wheel, an 

operative dnvmg connection between the 

gear wheel and the contact-maker Slllted to no 

the particular time charactenst1cs of the 

device, and means for moving the gear 

wheel mto or out of engagement with 

the appropnate pm1on on the driving shaft, 

at least one of the devices including means I Iii 

whereby the dr1vmg shaft dnv11 the contactmaker at a slow speed m the forward direction and resets it b:r dnvmg 1t at a slow but 

d1:tlerent speaj in the reverse dll'8Ctlon 

14 In a multiple electric tune-element de- 120 

vice, the combination of a mngle dnvmg 

member, means for rot&tine- this member at 

a _slow and uniform speed, s plurality of 

separat.e and disemular time-element contact-making devices, an operative dri'VIDK 125 

connection for each deVIce suited to the particular tune charactensb.cs of the device, 

and a plurality of BeJ!Bl'ate llD.d mdependentq actuated con~lllng meoban1ama respectively adaptANI t.o brmg the dft'.'f'lDg COB- lBO 

' . 
tit REF ID:A67795 

I 

I 

a 

nect1ons mto or out of ope1at1ve engagement 

\\Jth the dr1vmg member, the o~ratne dn\-

mg connection for at least one of the devu:es 

mcludmg revermng geanng comt>rismg two 

I pm1ons drn en in opposite directions liy the 

dnvmg, member and a gear wheel whiCh 11 

' 

~ 

moved by the controlling mechanlSID into 

operatn e engagement with one or the other 

of the two pm1ons. 

In testimony whereof I have mgned my 

name to this ~i.6.cation 

FREDERICK NORMAN LINSTOW. 

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1 

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Sept. 27' 1927. 

REF ID:A67795 

F N. LINSTOW 

BLICTRIC TIMEI BLBKENT DEYICB 

Filed April 12, 1924 

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REF ID:A67795 

F N. LINSTOW 

ILBCTRIC TillB BLBKBNT DBVICB 

Filed April 12, 1924 

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