. ~ ...... . , ... ,. .. 

... · :·. . ·'· 

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I '• "• 

. .. :'· ~ . 

. . ; 

The preeen~ invention concerns a new k~ng 

mecbaniera tor Ol"JP"tographir, dev:lcee. The invention 

I 

., 

. ' 

npneente a nOTel approa~h to the problem o.f ke~~· ·~~~.*. ·, ·: .. } 

. Uni te4 states .Patent llumber. 2·, 394, 765 granted Uff• v.~.ct.: .. :. . ~- . . l...-'8i·,. . \ to ·ae 'P~bZ......17 1?, 19 .. 6, for a cipherlng telewr:lter . · · · · 

1i-eaen~a .1'.11•. b~kgroun.d over which the new ad~e. . . ..• 

41.soloeed .. ·henin is made. It· will be noted however tbe:,. . . 

· t~· '1n~m>:t1~ ~·be lncorporatea aa a keyer in maDJ' 

:tonaa tn 8 w:l.4e.var1et7 of oryptograp'hio devioee R!Jh aa . . 

. · Hebern, b1gma and the like, PT1d 1e not con.f'1ned to an)' 

one euoh clevioe •. 

:·.It is an ob3ect ot the invention to pJ'OVS,~e 

.· t~aplaoemen't lt971ng means tor controlling the 

•4H1ca1t1oa of code oo,mb1nat1ona. 

It la .en object of the inventio.n to provide· a 

.. diaplaCeJIP:eDt k~J&r for Cl')'lrtographic devices wh.1cb · 

' dete'ftlineo tbe interaction between al1~e bar drums and 

· ... ·~·~!'1C1uall7 41aplace4 k~ wheels. · ·. .. 

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... It ta an ob3ect of: the 1nven~1on to p~~i4e a.··.·. • I ' • • ' : .. . :; . : ~ . 

d1eplacemi.ent ke7er tor cryptographic devices wbiah·· 

determine.e the interaction between slide bn.r drume an4 

1.nd1v1d~~·11' Cliaplaoed aeco.ndl.irJ key wlieel.s Vl'h'1oh 'o I~ : ' 

ooat~l m~n.k•T wheele. 

.• 

.. 

. 

·· .. . · ·JJ!Qo't. ma1D Jce7 wheels as used beTein a~:·:·.: 

· ... ioith-. ·.~~~~a .:,ha.Ting. preferably· a pr11!1e n~ber .. :·.~~· .. ; ... ·. 

· t~eth ~:;en 1n~1c1a oarryinff tlang1DR on :which' l!&J >t>e . . ·.·. . . . .. · 

· .-peaeld: 'tbe le'tte~ o:r ·the alpbabet .or· -the 111te.. :-. ~ · ' • . .I ., 

:· ··•ft'See. o~ h~l.ea equal in number to the. number ·o~.·teeth 

· .. ·, 0~·~1~:·· .• 1oh .N:apring.biaaecl to on•:·ot·t~:.;· .... ··. · ... ·. ·· -.· .• . . i· : ..... . . . • · •. · .·· .. -

Po•it1ona~ pro3.0ting or non-pro3eot1ng. The p~sea,t. · · ... 

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. . ·- .·. 

~· . . .... . 

·. ·. E\pproved for Release by NSA on 06-17-2014 pursuantto E.O. 1352a ,I I• 

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REF ID:A58715 

. " 

1nTent1on mar emplo7 a pl1n•ftli ty o'f ke, w'heela, fiv• 

being 41acueae4. It "1111 be unde·rotood that the ke,. 

wheels are cali\re onve tlm.t ea.ch bae A different l'J\lllber 

ot teeth and pine. Theae·numbere sboul4 not hav- a 

coan:Oll denoatnator and pref erBbl7 ere prlmea. 

~)econ4aJ')' Trt!J' wl1eela n'J"'e l)lnlons or spur gean 

which: are acted upon bJ the oocle bar drum and in turn act 

upo11 tbe main l!re1 wheels. 

A co4e bar drum comprises tuo elO't~ed 41eca 

mounted fol" rotation wt t'h bars a~·iell7 a114able 1n 

peii.pheral slots 1n the diece. ~ech bRr oerries one or 

more lugs which are acted upon to slide a bar 

lonaitud1n"lly en A$ to ~roduce R pro~ect1on on the side 

( 

ot one of.the slotted discs. In this way the al1de ·baJta 

are bJ'OV&bt .into act1ve ~os1t1on miK1 a variable toot-et 

gear wheel 1~ produced which mny act in a contin\18117 . 

varia)le manner. lihile onrJ code bar drum 1s shown 1Jl 

. . 

. ' 

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. ':•. 

c-~b1Dat1on .w1 \b a pluralt 'tJ' ot main key wbeele, two cl~ : . 

. . OJ' when oo:ns,ruc~io~ permits an indtvidua.l 4rma ~or eaoh . · .. 

main ke7 wheel ma7 be used. 

It 1e an ob3eot o~ the invention to prov14e e 

ciph~g device with elements which act Up.oil eaoh o'l;b.~r 

.• 

an4 reac' · whereby the chain of k1nomat1o nenta ;1fJ peatlJ' . 

. · ).no~o~· and "the repetition c7cle .1s ma.de·.~.~ :1~~: . . 

· · :: · -··. ·:> .. · ·\>;_··:· '·.On• applioatloa ~f th~ p~een~ .o~~~i~-- .JM!ag · · . . . . . (. . . . 

4ev1ce mn7 be ma4e aa·:lmpro•emerrtrt to struC"turee·ah~·in: :.:··· 

: 1'1fl!."·1-6'b, of Patent !lumber 2,.,941 765. ~~~ ~·• . 

J'l1g. ·1 of t~e patent discloses n key boar4 ~-b~nat1oe· 

. ·ehown_ .. 1D ftga • ~ aD4 3 of. 'the pJ'eaeat eppli~·ation · _.ae ltu' . . . 

l.a hevin« spaoe4 notohee w1 th eloping wai1a'·. tn ·1 ta. 

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REF ID:A58715 

' . 

lower e1d.e. When the woll known elemental f'iTe unit 

alp~abet 02' oompoeite letter septem. ia uaea, five ke7 

~art oombinat1on ban suoh as la will be t>rGvidecl, ·. eaob . ' . . '. ~1th. a 4:1tferen1i aequence of notch epaoing in .S.ta-·lower' 

R14e. Combination bare lo are actuated b)1' · the· 'V'ert1ce1 

mnement o'f 1re7 ·boerd levers ?a which act q~11uit t'be 

eloping walls of the notches in bare la. Where· a·, 

·•t-clard teletne key board is u.se4 there ·will be th1riJ'-

't~rio levere ?.a each correepond1ng to a 1etter · of. ·tile : 

alphabet or other &Jmbol. ~aoh ot tbe keybO.J.d 1eve:ra 

·~a acts upon· f'rom one to ti ve of the key board oomb1n.at1oa 

bare la, dependit>g upon the character whicb·determinea _'\he 

apaoing o'f the notcbes on the und.eraide ot . the bars la.. · 

Wlth the actuation o~ ea.oh separate lever ?.a br ·1ts 

oorreapon41ng k•J' boa rel ke7. oerte1n of the bars la a.re 

puahed.: to the' left into active position ana certain other 

are push.ea to the r1&ht into 1neotive po11i ti.on· Ol' are · · •. 

pei-111 tte4 to r•ain Where they ere.. A 41.fferen\ ·:. . ·. ·. 

8.nanP.ent·. o~ the bare la is caused by eaob o'f · the 1"9ra · . . . . ·~ . 

· 2•• . A bell orank 3a !s :fixed. to &bat't 6a ~n4 oanie~ a 

· ptn 1n 1te free end. which sl.14es in a P.lot 1n. e link 14•• . . . . 

~ la 1a provided v1ith n pro~eot1on or l.q 4a o~ 1te · 

upper·aurraoe and link 14a ie provided with a e1m11ar •! • • • 

·~ I . 

. pro~etiU~ or locking tooth 5a on ite .lower .erarfaoe •. ... . ..,· .. : •.. . ·.... .. . 

·::tink··i.4~ ia pinned to one end of lner 15a . .ii1ch .. 1a '•,1 • ' :' • • o • I=~~: ' 

: b1aae4·-counter.:..01ookw1se ebout its pivot b7 tension ~. r. I. 

· apd.z14f:17a. · · . • ' • .· ·:. ·. :." ~ ' ·,· • I ," • '; :., ' ; • • 

:Sell ·Crank- 3n bas an upnancling arm.' ?a Pl"l>Ti4e.4 . 

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. "wttli •.. cam t~llower "prolection ea whicb bear• &gatnd ~4 .. : .· . ' . •", . I ' ' . . ' . '. I '' ~ is ep~n~ _.b1ue4 towaJ'd a contin~~ rota'tl~g" 1;~1·ng .. • I'• 

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REF ID:A58715 

ou lOa~ .ca lOa ie provided with o long dwell ttn&·.a ... 

single receao 11 arrenRed to receive pro3ect10i.l Sa of ~ell 

crank 3a. · It will be eeen thnt omil fol.lower pro3act1oa· : 

8a •87 enter reoeoa lla under the notion ot· 1te. :eJ>.rS.nc·· 

bias. ~nl7 when lug 4a end looking tooth 5a are not ·in. · ·. 

conlunotion. That ia when ~ey board co•b1nat10n b82' la : .. \ 

I : ' ' ' 

and·lt~ 14a.both occup7 • le:tt or right poalt1on looking . ~~. . . . . tooth·:5a. is poe1t1oned above· lug 4a an4 oom'b1nat1on · · 

mo41fy1ng link 14a 1a held against oloc'kwiaa :rotation, 

·bol4in« . bell crank '3a 1n. tum against coun~e~ olookw1ae 

ro'at1on. On the other hsnd when bar ls an4 link 14a are 

1n opposite poai·tions, one rir.ht an<l the other left,- link 

~ . . 

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.14•-JlaJ" move down and bell crank "3a rotate ·under the:".a~t:i.oa-. .· i 

I 

.. o~·.1ta· btaa· spring as tooth 5a clears lug 4a.· · · '_· . . 

.A level' :?6a ia fe.etened 'to and turns 111 th abaft 

· 6a and is provided with a pro3eotion·~blcb bears e.ga1~~­

pr1nter basket combination bare ~5a o~ which there are 

. five· oorreapOll41ng to bars· la. ·\:!sob b1tr· 25a it!': b1aaec1 ·. 

toward. le-ver 26a by tene1on· epring 'le. w1 th: •Qve•~t. ~o.·· · · • ' ' ·, ... I '' • ' ' 

. . . 

tbe left llml'ted bJ. a nitable eto.P.• Tbln:v-two . ._pdn'ter. · . . . 

bAaket bare 40a ere positioned Bbove the notched·upper 

auri'aoes ot 11rinter basket comb1n:a1:f.on bare 2-5a •. '. : Af1!1 

pyan ·ocmib1na.t1on o~ right or left poa1 tiou 01:' '"'• ti••· .. . ..... . 

J'nnte~ baeJret comb1nnt·1on bare 25a un4er tbe:. actioo· d 

1i~otr·}~.P~-t1ve lnera 26a will ae1eot· a 4e~~:re«· .. · 

· oba,;.c~'e~· ·to be printed ae the ooc!ect counte~a~ · d eaOh 

k87· b~~'rd leT•r '-a end thtl aharacte:z- contro1:11ne; it. 

.· · ·· .!he oam ell.sea 1&a and oth•r• ot . th~ a'bove ~--- . • ' • ' • ' • ' I 'I 

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: . ...··: · · · ... · · ,· ·. --~~- re~laoecl 1n _one ·ton of tho 1av~•1on ·by· aeo0-4~ ·.. i· :. . .. ·.. .-.... . . :- . .' . • ... •· .... . ·.~= .. : . . ;.:.·! ·. 

_ _ _ : : lcq •••l• to which th• 11J)JJ<ir ou tollawr. ea4 Clf 1-: : ~ •.• j , ' ' ' ' • I ' ' 

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REF ID:A58715 

( . ~· 

15a reeponds under the action of ita biasing aprtng·l?a. 

In ~nothor form of the invention •ain k.97 w'beela 

with selectively eot1ve pins are mounted to mot on the · . . 

upper oam follower ends of the f'i•e levers 15a,. oae ma1D 

kf!J eeel for each lever. .As mentionf3d abov• eaob. ~97· ·. 

wheel hao a.gear the number of tee~b of' •h1cb·oorreepon4 

to the.number of adjustnble pins, ea~h number 1a 

41tte:rent 11nd tl\e;,y have no cor:mion 4enominator. the· 

ao:t1on· of the ma1n k~y wheels on tbe levers. -15a and the . ·. · 

.. ~omb11l1t:tion mod1fJ1ng links 14a 1•. a tunot1on .~t the· 

. . . 

number of p1ne whiob ~ro3cct into aot1Te extended position. 

Of oouroe, in OJ)eretion. the number and d1etr1bu~1on. ot· ·. . . 

., .. 

... 

.. 

'. 

eot1vely extended pine 11bou1d be chosen at random and. . . · 

tbe d1et2'ibut1on on the vm-ioue wtleele ahoula not be .. . . 

rela~e4. " . . ' ... 

A pinion or intermediate wboel meshes with.the. 

teeth of each mai·n k,e1. wheel. .All f1 ve pinions a~ kqed. . . . 

.... to a· .·•n with a gear which i·a ao~ed upon in. ~um by the ·.· 

·al.14• lulra:.of 'the main slide bar dram. ·mter• two o~4~· be. . . . . . 

4~a ·ore· emplo7ed the pinion shaf't. 1s 41vi..4e4 -~th· 1~~· ... 

~iaiona ana a 4rive gear on one shaft po?'t1on mi4 two· .. pinions cmd another d~ive Rear on· the other she.ft portion. . 

. . . ft.le --~o· 4l'i."l'e gears m driven 1ndopendentl7- b7. ~th~· ·:. . . . . 

· ···· · · :. ·o1tte;8nt p-z-o~eot1q ends of tbe slide· bue .. $1ob .. b-Ve. ·· • ', '" • • •'" : =: 1 

• • :•I o • ' • • ·.:, 1 , : •~ :.r • ', ••,, 1 

. . . b~e~ ~·" into aot1 ve pos1 't1on. ':=. · · .. · ... 

The slS.4e ~raa on the nmtn ctrmn mq lt~ pzo~4d ··: .. . . 

w1th bo neta of 'teeth, one for the :rl&ht h.~ ._co4e.,~ 

d-~·... .& a114~. bar 1ft "its normal poldtion .du····~of; .. , . . •. 

on the 1'1pt haa4 oqde bar drum, but ·"111 eat· on ~· ··left . . 7 .· . .· . 

·hand. -~o4e bar 4ru.m by means o~ .• p~i·al ,luge·'> :·w,hen· ....... . 

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REF ID:A58715 , __ 

elide bar te moved to the left bJ tbe aetion of an. ao~1ve 

pin on a main.key wbenl it will eot on the r1ght band code 

bar drum, 'but no~ on the left hand code bar drum..-. 'lhe · 

~eeth on the elide bars aTe prererabl7 aJTange4 . . . .• 

. . d1ffe~ntlJ an4 certain teeth me~ be om1tte4·~11 together. •' 

. . 

code .bar drwna shou14 be di~ter~nt. ThB use of two code 

bar d~ fae111'tatea he.Yin« three or more ti:tterent. · . . 

advancement rates or patterns for the key wheeln .1.e.~ bO 

• • • I 

step, one step and two s-tapo. As all tho ~~ceaGal'J· 

. . . 

movement comb1nat1one .number thre~ 'to the sixtb :power or 

seven hmu'lred t1lirty•n1ne, it ia not ·'fec4td.ble to obtain. 

them .ell wit.h one drum. t7tl1ng two 4rmsa w.itb 'three cubed 

oz- twen.'\7 enen bare each, ell the oomb1net1o"Qa ere · . . . . . .. . 

obialnea.· 1n a siwnple manner. hent1-s1x bars can be: .u.Se4 ·. ··: 

to a4.vantage. 

A p;uide arm is vivoted on the frame between tbe . . sl14e:'bar drum and eaoh main key wheel ancl hae an· 

. extea.a1on · wh:lch 1 e acted upon by the aoti ve :. p~ne ot th~ 

.... I ' ·'. • . • 

iiatn.••J' wheel. • • ' ' I ', ,1, I • ~ • :• • 

. . . ·. ·. 

iuce·o.n'tbe elide bara wh1c'h it 80 plaoe4 will ... the· 

bo.ra to the left. !rhe key wheels net througb ·~he11' · . . 

.. : . ~ ... : .. ··. reep.0,1ve p14e arms b7 meene of the act1Te ~·inaot1ve'. . ..... 

' . . ! \'.l 

. · . ·. ·P.S:ne to .mne certain slide bara into active poe1tiona··•hez-e 

·: · t~e7··~ll p~~eot as teeth and .d1~plaoe the.·-~.,:·'.w11eele ·. :, · · '• • • • > .:., "•: •1 • • ~·."· ' ', ' ' I • • :· • ~,I ' I I ~; '' • • • •• • I ' 

· ·-tb~ 'the ·4rive gear and pinions above. · '" ·xt 1!111. '-•· · .··:· 

: 

I 

., 

.· . . 

aeen that the tlr1ve gear rotates all the p1n1ona on 11• 

:: · .. ,.-.>·· '. · ·. · · ·~:::aftci tberetore all 't'be key wheels ·in IM,~h ~th the· I ' o' '• ' o : o ' ' ' • ' • : ': • ··: ~ ' • 'I ! '' • ~ ~ ' • ' I 

· . .. .. . ·. pS.m.oa· .· an4 the p14e a.rs or one kq Wheel aotinf; i~ .. • II , • ,.": , ' l • ,~• ' I•, 1 "• • 1 ' 

, ... ~·" ... , :· ·rea~e. '&O ':l'CS aot1Te pine will move •11de b~ ~Ob .. · .· · . 

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REF ID:A58715 

11111 ~.taplace. one or nevernl ~ther key wheel.a. the 

guide ams 11n7 be reff,•irded na hev1n1. active or 1noot1ve 

poait~ons de~ending upon whether or no' tbe7 bave been. 

acted.upon by a key wheel pin. 

Another motliticat1on oomprieee a elide 'bar tr.,. 

individually diepl~cod •~in key wheels and 1nd1v1411Bll~ 

d1aplRced nuli·n key T:heel.a nnd 1ndiv1duAllJ d1mplaoe4 

.eeoond.U'f key wbeela controlling the main k97 wbeola • 

. A· 1'eature of thio oonstructio.n is the prov1~ion ot 

ratchet levers which are positionect by tbe pine.of the . . 

aeconcle.17 key wheels at bigb, med11lm or low· lnel bJ · . . . 

cor:reoponcling posi t1one or the ptna. The ratchet leven 

act. on tbe main key wheel rntcheta to adYan.ce each main 

kt17 wbeel independently zero, one or two steps d~pen41'Jg 

upon.whether the eeoonda:ry key wheel pine are ·tn high• 

, · me4_1m or low position. 

!he above discussion or. the appl1oat1on o~ the 

1·nvent1on 1e ·11lustrat1 ve of certs1n forms an4 uses of the . . . . 

1nven~1on an~ is not 1~t~nded to be 11m1~1ng. · 11·~1~ 

be clnr that 'tbe composite displacement kqer. unit 1a . . . 

independent oi the particular appa-ra.tus · 11··_,. ~on,rol 

. ' 

an4 1a therefore epr,licable to a w1de r81lge of apparatus 

to be oo~trolled • 

• J 

Hef'arence ia made to the. drawings ~or 4eta1le4. 

·. :' 

c'.bowinsa ot one ton of keyer etruo'ture e.e : uaed. · 1111 th· .· . '· .· · .. : . . . . : . .' : 

aei_eo~e4. ·~pare.tua to b~ oon'trol1ei. ~· ruloue . 

:r1~8 ~. to be talf.en ae 111uetrat1ve an4 'not· a.a · . . . 

. . J.1~1tin£. Like nuae:rale refer "to 11lr• parts thrngbo11t • 

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REF ID:A58715 

· ... 

J'1g. l 1e a righ't aide eleTet1on or· one tom. 

o~ the invention. 

Pig. 1. 1e a eohemattc showing ot a llSOh-1• . 

t·o be controlled bJ the invention. 

711. ' 1o a plnn view ot the 11111>rove4 k97ar.. 

71g. 4 ie a front view of the 1aproved·48Tioe. 

?.1g. 5 1a a section tali!en f.llong line A-A 1n 

fig. 6 1e a detailed abow11'8 of el14•.bar 

coaat."10t1on 1n plan • 

'1.g. 1 is a aeotion~l view taken along lin~ · .

B-li of 11g. ' w1 th the locking bar in etart1ng pos1 t1on. 

J:lg. 8 1.s a aeot1onel v1n taken olong line · .. ' . 

~B o~ 11g. ' with the locking bar in lower r16bt ~ 

poa1t1on. 

Fig. 9 le a .sectional view taken along line 

:8-B of Pig. ' w1 tl1 the looking bar in lower left ·bancl 

:· p081~1on • 

·

1 . _. .. ·'· •.. · :. . . •. ·. ftg·. 10 ia a eeotional vlew taken al~g 1~e I . } ' I . .J • •' • ' ; ' : • ~. • • 

;. · -:: ·. ·: .,. .... ··.~ of 11g. "5 ahcming the pors1t1on ~ •b• lookiDg· -- · • 1' o • ' ', • '• ',' • • I • ' • • o' • • 0 • ', '" • • 

. ! .. : . · · . . . . i•etSetel7 · befoi-e the ·sl14e bar 41:'WI haa OOJDpl~tect ite f • • .. ' • • • • • I • 

. . 

Pig. 11 18 8 plan view w1th part 1n aeotioa, 

. . 

. ) 

•,,·'I·. 

"t •• • 

·:-110.1-1g. al14e bar ccmst·l'UOt1on w1'tb mowbl• 'pn3eot1c:m8. . .. · .. ~ . • • ' • .~ :: ." • • o :• • o • I : 1= ::. • • 

·.' . · .... . . .. -~ . 

I ' 

' . . : 

.. · · ·\ .-ia. 12 in a· aect1ona.1 n.W of the kq-wh••l · I • • • • • 

... 

?.1g. 1' is a ·c1eta11e4 sectional ·'dew ._ah~ing . .. . .. •, 

· the ~l14e. bare·. in their le:ft or diepl~oe4 position ·oil · 

~he c04e bar drum • . • . 

.. 

•' 

>·>. · .. 

. · .. 

. '• 

. .. 

··.· . 

-8-

. . . ·. 
. . 

, .. 

~. 

\ 

., 

I. 

.. •' 

~ . . .. . : ~.. . 

... ·. 

' ! ' •',I• 

REF ID:A58715 

. . . Pig, 14 is a sectional view taken along liae. · 

F-? of Ytg. 12. . 

?iv' key wheeln l., ?., .,, 4 and 5 ere mo~nted 

. . 

· ozi a Shaft 1 journaled in suitabl• ben.r1np .- ~n::i;nu'ber 

60 01; frame 6. as shwn in. aide by side relation in. . .. 

·Pig~:~'· ·~· 6 1s ebown an having a base ~e•ber 6b. 

~ u~ paira. of _upript bear1ng membera 6o ·and 64_. 

'l'be ; ~--· 6 and 1 'ts var1ou11 perts ma7 be eacloae4 ~ .e . ' . 

CS88.:0J" wben·-tb.e 1~Yen°t10D 18 made portable ~he.frame 6 . . 

·ma,. 1teelf' lore part. of the enclosing _case.· .P,thoodi· 

oomp~tneaa cupn be iml)ortant and 18 usua.117 desirable 

servi~ing ~equiremento as well as eaee of original 

aeaembly augg.st SONtdn.g: or bol t.tng the base member 

6b to 'tbe ~niir14e of a mot al j,rotect1 ve caee t'rom whi.cb 

it can. b~ readilJ removed wban n.eceeaarr. . 

Ee1.wheels lA through 5 are tree to tum on 

abaft.· 7 ea4 face a slide bar. dram 8 mounted on a 

p.an~lef .abaft 39 3ournaled 1n upr1.g'ht 64. . Drwt 8 . . . . ~ . . .. · . 

.... O:ompnaee. ·two .end discs Sb wbich are rad1a117 alotte4 . ·.. . . : . .. ·. ..· .. . . . . . . . . 

. at . their . pe,ri.phenee to·. altda'blJ 11011nt o. a1111'ber·· of elite 

b-8 9 ·th~ 'e 1nclus1ve. Shaft .,, :le oonn.~te4 to ·O 

'the ope~ting mechaniea "micb 88 a crank o.,· mot~~- b7 a. . ·:. . . . .·" 

. · ,. ol11tcb of. aulta"a.le dee11.m and :ls kqed to. 4nm .e. . , . : ,' ,': ••• I ' • • 't ': .. ,, 

· · . <': .·· · .J:ey ·wheels 1 through 5 oomprtae m~t&l ·ttiooa 

. I . 

:'. 

'I· 

... 

. . : . 

~. · 1 ; ! . . . 

. ~ .· . 

. ' 

hari~· t'l.ence-. 54 through 58, re.apeot1vel3r._ .. b970D4· 1'111ch· · .. · ... · .. · ··: .· · · . ·, ," I , 

..... pro3~' the t,.e,b ot epur geara 59 'through 6,, · · · · o • I • 

.. "i. 

11eapeot1 veq •. . ta.ch di Be ie :ra41al.ly slotted. ~ tbSn.,. ·. · 

tb~ c1~cle formed bl' flanges 54 through 58 to m~un~ p1ne 

· .. :. ~·:.. · ..... ··~.: '. ·:·64.·-~1t .. ·pro3eot iong1tud1nall7 either to th:e ~gbt o~: to' : ·: · ~ 

· · ·· ... : ..-: :·.. . ..:< · ·.~h. ~~~ _·pa~ll~l to ebaft 7. ~- pine 6-t. n,,3&01:'.' to. . . . ' ..... · ... ·. . . . . . 

·· .. :. 

'"". 

, .. 

... 

,• 

. : :!' .. \ ·: 

.· i 
REF ID:A58715 . . 

• 

.... , ·the Z'ish'.t ~he7 extend beyond the edges ot 'flaDQ1nca · • o '". ,· ':·: • I ' • 

54 - 58. When pro3ecting to t~e left they are w.1 thtn . . . 

.. ·. . ~b• overllang1ng eage of the rlangee 54 through ' • • '~ • I ; :~ . ·. . \ . . 

. an4 ~-4 be1ond the d1son in wh1c~ the "pbo 64 a:re . . . 

· m~t.ed. . !be peripheral edges of ~.he dieoe of. .wheels 

-~ tbl'OU6b 5 wh1ah extend beyond flm:tge~·54 ·thrcn~h 58, 

are milled to form spur F.ears 59 throug~ 63, respect1Telt. . . 

!he number of ia~:cs 64 1n each key wheel 1 1 2, ·. · · 

3," 4 ~ 5 is the eame as tlte number -~, teeth 1n· tbe . ' . 

. . .... -corre~:t.q gear 59 'throup 6'. As c11souaae4 above • ' '\• •'.! • ,'~I~ i,, ' ' ', I '•. •I:~ .. I:· • • • • • 

·. . ··: · ~:tbeoe: ·.-n•bera should have no common 4enom1natore an4 

,: · .'··: .. ::~~·.=;~fe~ably ~rimea. .As sho"'n in :F~g~ l'-• pin·e 64 . . . 

1187. ~ ~m14Gd. ·w1 th a sl.ot 66 having two c1roul.ar . ' 

.. : · .. ·,orti~na aepaJ'ated. bf a ouep ·:or tooth 67. A spr!nB 65. 

extent• into alot 66 ~n4 bears· against one sido or 'h• ~: ~.•',,: : ': o • '•:: • ' ; :~·:_t:I '. •' :•' o • • , • , I , I 

. o'ther.\Qf. tooth 6.7 an4 90 holde the reepeotive pine 64 . : · .. ' .', I •, • ~ 

0 

, 1 ! • , 

. · · . · in rigbt or left poaition, operative aria inoperative, . . . : • ·, .. :.: •·. =· ~ .: • ~ 

~ape~tive17. fhose pine 64 whicb pretrude to 'the right 

... : .. ·. ·.;_ ...... _·'.·_: .. :~ .. ,~;· .. oall~-- eot1,,. p1na. 1 ' ' • • • • ", ·, • •: ' • ' ," :, ." • ~ ~ • ; •••• ' I ' '~ : ;' ... : • ' '• • ."' • • ' • : ' ' • • I : • 

· . ·natwe'2!2· key wheels l tbrOug'h 5 and· slt~e bar.··. . . . .. . . . . . . . . .· . 

· 4nm ;a. ia·:.· abaft 45 on which ·are :p1wted.1'lve Piae ••• =.· · .···· ... . . . . . '. . . . . ' . .~ . 4o through (4 ~-hich are 1ndepen4entlJ. movable •... : Eaoh 

Pi«•-~ ·40 through 44 has· a ript. PJ;"Ojectug ·1~:1' • • • '• • ' •' •' • ' • ~· I ' • 

· ' •··. -~t~b ·-~o-operatea ·with the pin a 64 · Qf 1r91 · whe•l~ 1 . th~ - ' • ' '··,· 4 • •: ' ,',:•' •• •' • I ' ,· 'l • ', • 

· ·: . ·. . ·5 .•4• oerta1n oon41't1ollB mi<l an oblique n~ac~ 74,. · ·· • • •• :: '.~ .:. ; • • • • • • ·: : • • • • I • , .j • • • : ' • ~ • I.. • 

. ... ·ehown .. 01earl7 1n 1'1g. 5, which· co-operates with •114e bei"8 

. aZoe pZ"O'fided w11h upstanding luga 79 eo tbst the7 J187 be 

.. ' .. >--:<:·.·:: ... ·: .. :·.: .. ._:..:· ... ·:1~-•4/:·tn a .~aht ·~:r iett poe1t10n ~7·;· loo~n. ~~Tl.·: . ' ' • • o : ' ' I • : • • : •' o • ~ '~-' • • I·,·•,• • ' • •' • • ', • I • • ' • ; ' • ' I• • • : • : • I • ,' • • 

· .·:· · ·: . .- · ... :. _::·.·: ·' /·. >. ·::_>- : · ··~~aoea~ tbe ·guide arms 40 throilgh_.'44 ·~re. 'fiTe ·· .. ···:.·; .. · .<. .. ··.:·.: .. <· ... · ....... '>.···=.·.:··:. :·. -:· ' .. '·': ', . . . .. ·. ··. . . . ": .'. ·.·· ... ·. . .·• .. . . . : . .. ~ 

.. ·. ': ·:. .· . . ::· .. 

·:·:. .1: 

' I ' • 

• ' I ' • 

. . . . .. . . · .. · .... ·. ::" .. 

. . . . 

. ·.. ~ . I· . , 

.. 

,. 

. . 

:' ·-:: .. · .. • I ~ • 

. .• 

-10 - ·~ • I i ' 

I •, : 

, .. 

""I 

. ! 

i 

'• ·.· ., •' 

.' : ,~·. • • I 

. . . 

i 

.. 

' 
. ' 

,, 

I 

r. 

.. 

' 

• .. 

·' ... . 

REF ID :A587.15 

. . 

1ateftl~41ate gear wheels or J)1n1one 46 tbro\1&b 50 wb.1ch 

are-independently .journaled at 51 °"brackets or e.ngle 

82'98 5? attached to bar 53 ot frame member 6 adjacent 

ehatt 45, enoh p1n1on correnpon41ng to a k87 'eheel. 

~ar 5J 1e elotted ·to receive guide arms 40 through 44. 

5' 1nd1oatea a· double bracket mipport as m&.3' be seen 111 

1'1ga. 4 and 5. 

Fig. 6 shows thirty alide bars 9 through JS. : 

carried ~ elide blU' drum H. ~ooh elide bar g tbrouab 

38 1a prov14e4 with at leaet two.pro~ec1i$.one. One kil'l4 

· · . ;'4. p;ro~eot:l.oa or lug 75 ia short and acts ·as a 'dr1'91ng 

tooth 0n 'be -1llteme41ate pinions or wheels 46 tbrou0. . . 

· 50 when. 41'UID 8 J'Ot•tee, de-pending· upon the relative 

. . . 

: . · . · poe~t1ona ot the luge 75 and the ·pinions . 46 th.rough 50~ 

ln.tbe.preaen't device each ber 9 through ".58 is P"v14e4 

with onlJ' one short lug 75 as mbown in Pig. 6. · Bowne, 

lt 1• within tbe spirit o~ the 1n~ent1on to eJDploy·more . . than one lug.75 on anoh be~. 

E80ll bar 9 th~otagb ,8 ·is provided with.a aeoOD4 • • "• : I .' 

lr1-4. o~ pr.o3ect1on ~r lug ··76 wbiob 1n 'the present '· · · . ..... . . 

·: ··418010.ftre· ie longer the.n lug 75 and is emplo,.ec('.atngljr · .· \. 

. . . 

· · 'r d.ou~l7 on each slide _bar. Uore may be 'Ued. : Luge· . . . . . . 

· '16 ·are 41a1gne4 to contaot oblique guide aurteoea 74 of . . . 

:·. 

( ·. . . ~ i . i ... • ' • ;:~ ' • I • : • 

.• 

. . ... ·. ti:aoee ca14"• ams 40 throqh 44 wb~oh are 1n.· ao,1..ie. "poetuoa: . ; . 

···:.· ·. :· . ·· . ·· ·. · Gn.t: .·c~~e ... ~~ieoted. slide 'bars to alt4e to th~~~'. 1~i.t ·. u ·. · . ·. . 

. .. . ·. :: . . . . .. ~~- ·a·:.ro~a~ee. . Chd.de .arma 40. tb~gh 44 ~~.·bl;·. : ··· . ·.·. . : .:~·.. . . . . . . . .. ··.·: · ~ :repdel ea hanq eo1i1•• or 1neot1Te pos1t1~e .1'11.th · · · · ... :· . . . :... ,. . . . . .· ....... : : . . ·.·:. 

· reapeot to s11d.e 'bars 9 tbrougb '58 d.epend1ng ·upon WhotheJ-· 

.". · · ··_.·or ·not:;tiie P14•· arms ····ere pi'Toted towan. d;rum 8,_1:0 .a' . ,• ... • . . . 

·. . ._-. posttlon where o~ eurtaoea ?4 · oan .act . on luP 76·.. · · 

. · .... ; · .. ·:. 

........ -11- ; . 

· .... . : ... • ..... 

.. . . . i.' I 

. .· .· · . .. .. · .. ·' . 

~ I • 

'); 

. :: 

.. . 

. .. 

.·:.. ,.i 

I 

. I .. . ···. ' 
I 

·. t . 

. "l 

'· 

. { ." 

•; ;• . 

.i. • ', I 

... ;~ 

.. .... 

• 

REF ID:A58715 

Of course only those sl14P-.bara 9 tbrougb '8 will be 

' ' 

JaOTed to the let:t which ha•e lugs 76 pos1tioae4 to be 

ao'te4 upon 'bJ. "thoee guide arms 40 'through 44· 'llfb1ch .ue:. 

1D aoti•• position. I ' •' • • ' 

- . 

»~ an 1napeot1on ot Fig. ·6 1t will be aee:n . ' . that· tbe pott1.t1ona ot luge 75 and 76 as a combination . . . . 

are 4~fterent. for each or the a114e bare CJ "tbrougb . ,a.· · 

. ,· 

... · 

Aa .d~ 8 tu.me .all those al14e ba:ra which have been move4 . . ;. 

·.to ·tb·e left. b7 tbe action of active oam .. eurta0:80 .. ,, 8re . . . 

-retuned to the rif')lt und1splaoed l)Oa1 tioo bf an · 

obl1teratinti; bar 90 which bae an obliqu.e C'Bll eul'f'aoe 91. 

· Sl:l4e bar" 9 tbroUBh 14 be.ve luge 75 1n. tb• a•~ J'elatt,'V'e 

position and _eac'b will rotate 1ntermed.1at:e gear wheel OI' 

p1n1oa 46. _'by one tooth wben moved to 'the. left ill'to : _ao1:lve .. · · · .. 

pos1t1~ bJ' tboee guide arma 40 throuah .44, :reapect1••17·; . . . 

wb1oh are rotated into active position. toward 4~ 8. "b:r. · · 

the ~tio~ at p1ns 64 of ke7 wbeele l through 5 upon . . . 

projeot~ng l~s 7,. 

,- . ·PiJ!ion 46 will be rot11ted aero to· -five to~th .,· "; 

.. 1 

atepm ·:4ep~ncU.ng upon bow ·:v.11m7. lce7 wheele .1 "th~· 5 ·haft · ·. :_: ., .. . 

pine 64·1n aot1Te-pou1t1on at the start of eaoh .. ~ote'ticm 

.. of dram ·a; · ... · •. ' 

·~ 

·.i 

' : . . . ~ 

.. : ,• .... · ... · .· ::_ .. · · ... :,._the key ltheela l ·tbrougb 5, wb1~h ·~e~'llle . ' 

. . . . . I•', 

.. ' 

'. 

.the· ~e1t1o~a o~ guide arms 40 ·th~gb 44 ma7: be ~- · · ·· : ·:_· ••' ',.' • ,•' I ' ''.· • • 

. . . 

usuall7 are 41splaced by the action of lugs.15 on p11l1••· ' o• ' ' I '' • 

46 through 50 beoauae of the ·action of cma port1ona . '14 :· · . . . . . 

of·gu14e ~ma 40 through «t4 during the rotetion.of 4rm 

,: 

' ,• ' I o ·:, • • • ' ' ' ' • I • ', o • ', • ~ I • ' o J : • ' 

e•: ·.some provision mut be ·made to retain the:.,lPd:4• -~• . ,. 

·. · . > ·.··,: ':::_; · .:· ·; .. _·.·.in< relative poe11iton· during the complete 4t~iao.-t .-·_.·· · < · · · . · : .... :· ·:·· .. ·.>· ... ·· ... :· .• c>.~~·.·· ! • . • •.• · .••• _; : . . : 

• .. , .... . .. '" 1 

•; 

. . . ~ .'. · ... .• .. 

-~ .. •'•. 

. . . . ·: .. 

'.• 

... 

. , 

. •· 

- 12 -

. .. 

. ·,1 . 

. . . . . . 

. .' . .. 

·'' 

: • . 
.. 

: . 

. ··:1.:· "! .... 

, . . . . ... . . 

· ... ' .. 

'.I ~ 

!- • ,• ':t 

.... . . ,. I , : e • 

• ,; I • 

• ."1 • • •• 

. !-· . 

: . . . 

REF ID:A58715 

One tom of re1adning .means tor pde U'Jla ·. 

40 throltgb 44 ts a l1-sheped channel or locldl"..g 'bar ??. 

wb1ch extends aol'Oae the tops ot ftU14e ama 40 throvcb 44 . . . . 

ma4 ·ta providec! w1tb a leading longttudin&l edge o~.:- _: . . . 

dopeacl1ng flange 80 :formed by the .tront wall o'f the · 

. ' 

channel end a back 1.ong1 tu<lin!ll edge 81 fomed by 'the. 

rear. wall ot channel 77. J:i0cking bar 77 is .car.r1e4 bJ'. . . · two.~iaa anna.e~_mounted on shaft 45 1.ma ·slotted ao.st.8' 

·to pond:t movenen't in the vertical d1reo"t1on. Lock!ng '• r· 

·bu Tl mq also be pi voted about ehett 45 th~ a -Saall .. · 

.. 

. . · -~·~~.• . In tb1a way 1 't can co-opere'te wi tb tbe . ·. 

·PN~~tlone 79 on guide aTmu 40 - .44 to lock. the . guide _. 

ana. 111 ao°'1 ve o.r 1nnot1 ve po~,1 t1011 as mn.7 be ctetermine4 

b7 the 1.nirelat1ona between the various pro.jecttons n. 

an4 p1na 64 ~oncerned. 'l'be position of locking bm: "11 

1e cont~olled by the bell crank 84 having a ~ollower 

84b ~hioh bea~o age1nat oam 85 forme4 on tbe perS.pberz . . • • t 

. ~t·-~4. ateqa,8b of drum· 8~ A continuation.86 ·ot e14e· · .... 

~-.. · · ··a.ma ·:a2' Sa· Jinn•cl or linked with ·suttnble .loet •tio.n· . • I• • • • • • • • • • • ,. ~ • • 

·. ·' : .._.to l.ner Erl which· ha.a a :projection 87b. bear1n8 ·.,gat~~ "• • • I 

• cam •g on 4Tmll a.. Leve:ra 04 pivot arms 8?_ ab~t.· 

abaft . 45 and produce the fox-ward. end back~ ~'t1oa · · · 

.·· ~...-: :.·_ .. :·: ... o~--~~q bar 17. :tne:ra 87 ·produce· th.e_up ·~_-.4o~ . . . . 

.. • . ~--c>i10. or bar 77., provision for wb.tch ia made .. b7 slot a,, 

.. . .:~ 

. 1 

·; . ' 

. . I 

.. 

. :·· 

: i 

I • • • ~· 

.. . . i \ ~ • • '" I • • • • • ~ 

; .. · ·. · _ .. _ .. · · .:·~. ~1'7 ~-~1o~ on oont1nwlt1on e6. Cams 85 an~··:·:ag· ·are. ;. ~ .· · .,,. -'. · 

'..·· · .-.. ~_:_.: :. ·_:.-·. · .... _. '.· >- · -~i.ovt'.4e~ with ·sm.table evente ·ana dwells to;·_~,1~ ·l0o~·: .··.- . 

Jtar Tl tour pnncipal. -.ovements in proper· e•q--ce u4 .. . . . . . . . . . . . ·. 

•• = . 

"~~~,ion.. ... .. . . . . . 

! .. ..-:-·,_ ... _ ·......... _·.·: ,· '· · · ·;·· · ... '{::_._: · In .. the 4eeori.pt1o.n eet tortll -~ v,s.~ lat~t ·:: .. ; • : • • ••• • • ·: • • ': '' • • • • • ' • • • I~ I • ", ~,/-. • • • • • • ' • I • .. • : '' • • • • • • • • • • • ~ • 

!' · .. ·_.. ·.: • ·. ·. ~ . · ·.: · ::·:·•·• _:"$4'1i5:-:1t na aal91111e4 that tbe lte:.71"c·· aeoh~a': · ·.. ·. :· . t • • • .... • • .. ' ' • • ' • ' \ ... ·'. • • '·:· • o I • • ." ,• •• ... 

. . .• . ,.. . .• ,. · .. '· . :··.;;: .. 

I •: ' :• ·.· .. 

'I• • •• o •'• . . . . ~ .. - 13 ~ ' . , ...

, . . •. 

I• 0 l. I · ... _.-:· ... . ... 

I • '• "I L ' 

, ... ·. ~· . . . I•' I•• 

I • .: • • I ' • 

... . . : .... . : ~ . ... . 

. ... ~... ,: ··.· ... .·:. 
, : . . . 

.. ~ • • •I • 

. . . ~ ." 

REF ID: A58,715 ··-· 

:romaine~ ·etatiOD.BJ7 during the transmiesion or %ecept!oa 

ot each $1gn. Th.is made it possible to use 'he s1mj)le · 

meoban1am shown ·in thet patent f'or setting ·up_. o1phe~ ·., ~· . . . . ., ,• 

. signal oomb1nat1on.s. With ·the present ·JteJing·.meoha:n1• 

however. 1n wb1oh the key wbeela l ti:irougb 5 UJ' antl ·. · . 

usua~l1 do change their.positions during the main part 

of the op~ating cycle a oontsct1ng mecbnn1mn e1m1lar 1n 

priao1ple to thi:;1t used t"or guide ume 40 through 44 118.1 

'be ~107e4. P.or this purpose ~1Ph.er1ng li~s. 68 . . . 

throqh ?2 are mounted individuall7 rotetebly on ehaft ··. 

107 which 1s joumale4 in an elongate beuing GUPPO~. 

108~ !'hie constru~tion together with tbe slot 14a: · 

permt t11 .the· ·11 nkege assembl7 to be moved hor1sontall' . . . · .· .. to and from the key wheels 1 throut.h 5. Twin bell-o~ 

levers 109 anCI 110 ~re \:'eyed to a co1?1mon ehfi;ft 111. · · · 

Shaft 107 1e engRp,:ed st its ends 'b)" b1turce.t1ons 11'-::'dd. 

1'13 o'f ·one arm ev.c?1 · of bell-cranks 109 :imd .110. · Ia. ·tbe 

·.starting position ahown 1n f1g. l a spring 114 .ur.ges· . .. : . ·, . . . 

· .. ·. ·.·. -.· · .. b~l~rMak·e.:109 an4 110 together 'd:th ebaft io? to tiie o •I ··~ .. 0 •. 0 ••••• o :. I• o •• 0 • 1" o• • • o • • o o 0 • o • o ~ .. "' I ", 

-- · · .. ·dpt. . -!be upper parts of links 6e - 12 are. pro.tclel: ' I• • • • • • • • • • : • ' • • • ,. • I• ·, • ' ... ~ •. ~,::I:" • • • 

j' . ... : _. ·_ .. 11dthf:.J>H~.aot:t.o.ns .115 which co-operate with pins 64··•t·· .. · :-. ·:;.-. o .... ::.I .• • • • .·· o .,··~ o • "1 

;a:q wheele l • 5. This part of links 68 th2'011@h ·7a .. 

· ... ·_:: .· .- .·· .:-.:o·o~~~~~- to.llnka 15a ot tbe above 17nSt~~(~~t.e8· .:·._ · · • l,. 0 " '. .• :..•: I "I 0 o • • : • 

: . ·. -.... · ~ .. · .. _ ... ·. .. ·~ ... ltaiieirt, ·the p1ne 64 oorresponatn1 to the ~ta. on· o•. -· .·~ - -.. · -. : 

". • • • • ". • ."· •: • • I: • • • : •• : • • .' :;;:~,"I • : • • I • • o :;.: .' : • • •" • • • • • "• 

· .. ·. · ·~itoe lf,;a. !be lower encle o'f the linka.-·68 through · · · .-. · · 

1" Io 

o • : I 

· · · · · · printing. OJ" keJ1n1 mecbQ.ft1am p:rev1oualy 4'!eoribect. ·.:·· .. • I I I • •' • • • • • I • • • 

· · · : · · . · · .. · · .. _ . ·_ · · _·. Sl14e bar d~ ehaft .,9 hao a ·crank am 11~- 'k97~4 thereto 

;· ... · ',: -~ .. : · .. ·.· · ...... : ..-·: ;·.~.:·,·,._.: __ ···ritb·.:_.a··Pz.o~~ti~s pb 111 arruged ~o" impinge ara. l0gb. ~'. \ • 

0 

•:

1 o Oo" I• • • I • 0 o 

0 

• 

0 

o • 

: .,1:1· . I. • ••• • • I .. 

~< 

. . 

. . . ' 

• ~. . . . ! 

.. ·· ·, . 

' .. : 

. . -~.·: 

:· 

1·~: , 

... 

- 14 -

·'. · . 

... 

. . 

:··· ·• 
. : 

. . 

... ~ 

.· .. 

. :- . 

. · ':"" ..... . ·.I. 

. . . .. 

, ... · ... •' . .. . ··. ·. :·.~: . 

REF ID:A58715 ·.·· .... 

. . . . ' 

.• 

bell~~ 109.just before slide bar 47Um 8 completes an .. 

opera\1ve revolution. Thio action oauees bell cranks . . 109 u'1 UO to. rc>tate momente.ril:V oountei--alocbise thr~ ·_.. · 

a small. angle and to return under tbe action .of: aprina 1i4 · ·.· . : . . . . . . . . . 

as soon ae pin. 117 clenra 8J'ID 1C9b. . t>ur1ng t'ble abol't . : · ·; . ·. . .. -~ . . ~ 

in,erval tborlle links 69 through 7?. wl!ooe -projections -U5 

etrite against. active pine 64 a1ll be rotetecl clockWS.ee: . . . . . 

through. a mull angle, 'those links 14a connected to the . . 

ro~atecl liftka 68 through 12 and the corresponding 

·pro3eot1ona 5a ·~e1q .mO't'94 to tbe left, eo .that "the · 

rola:t1vo poa1tion of the e.'ffeote4 PPO~ect1one 5a with. · . . . 

reepoct 1o tbe1 r correspo:n41ng pro~ectiona 4a become -tbat · · 

ahown tn Yig. 2. Linke 68 through 72 a.re helct 1n 

poa1t1on br friction bt·as opr1ng 118 :ln the fom of: a . . 

bowed leaf' ae shown in ?1g. '··and :rorm.tbe pnper 

.relationship between the five pairs of pro3eot1ons 4•9 

·5a·.::,.. ·~hicb .control the basket printer e~own · s.n ~I·. ·2~ . 

.. 

' . 

.... .. ·. 

·. ! 

:: :~ .·· .. :; · · After the· transm1ns1on or reoep~1~n ·of a e~PaJ.:.· . .. . .. ·1 .': ,• • • • ;. • : I~ •I 

or oharao~er . represen:ted = bJ the previous 8J'2!'81l8•ent; ·,Of' ··~ · 

·. . · ~ · ·_._. .· .. · ·· · · . l~ue :. 68 thTOUsb 7? . th97 are all broughi tn'to · 11n~ ~ · .• 4 •. · ·. ,:,. ·; 

. . . . '• ·~ . . . . . . . .. . . . . . .:·. ·. 

· · . . ·. ··reaay\for tbe nertJ ocm,act1n& operation b7 bel~rank U9 ; ·. . · ·. .. . ··.: . . ·. .. •,. . . 

; . . . . '. ·.··.;·; '-: .·. ·. mounted' .•.. ·ehan 1i1 and bartnc a tn.Dneree:~ 119-· :.: ' ... ·~ • I• • ': .. ' •' .. :: ~ • • • ·.:.: • • • • • •• '• •• • J:j ' o ' ' • I • • • : ·; ' ' • • •• • • • ,,,• ' • 

·.: .... · · ... · .. .- .... .:":on one um to~ l1nins·up·the linka 69 tbroug~ ?2:·betw- · .. · ... · ·. 

L .. · . : . ··:; :··:···· ·.· ·.: ·'o..ont.~t~ operations by _pressing ap1net ·th~ bot~oe~·'··~. ··. ·. . ... 

·: .· .· . ···'< .... ·.. t~~ l~a· .$De~ before pin. 117 atrlk.ea· arm l~b .. >.. ~-~.·· ··.: ·.°'._: .... : .·.·. 

other ~·al'ID of bell crank 119 1e bituroatec! ea at °120 to· . . . 

... .a; 

re~eive pin l~l on lever l:'!?. which is SP:r1nC'. b1aa~4 ~'. ... • • "I : • • • • •• :~. • • • • • ••• • 

. . : oo:Dnt~~ olookwiae. Short l'batt 12' baa lever ~~2 k8"4 ... ···. . . . :· : . . ... . ·~. . .. _:_.. . ... ·~-· : .·· 

. · . · . ·· · .. ·.to .. on•·. end an4 lever 124 keye4 to 'the other en4~ · · .. Mn_ ... : .. ·· ·. ·. · : ; . . . . . . . . " . . . . '· - . . ·~ . .: . . .. . . ~ -. . 

·. · .... ··:· . · · ·. llT oii: ·lever 116 aloo strikes lever l?.4. an4 ·oi>e:ratee· :"'_ · · .. · .. :. ·:·.... . :·.· :·, . . . . 

; .. · 

. . 

::.' 

'· 

: ~ j 

·•· - 15 -

.. 

... 

....... . . ' ·~ • • : ! 
. . 

... 

. ' 

;. 

REF ID:A58715 

rettll'D bar 119b. 

The operntion of the cryptographic device ia 

aa tollowet 

· ·: . ·In the starting. pou1 tion locking bar :77 ic ln 

·'its UJ)J)(\IZ' right hP..nd poF!11t1on and guide arms 40 through 44 .. 

·pivoted on shaft 45 o.re freo to take a ripht or left· .· 

position as deten.-mined by the inactive and active pine 

64. 1 reopect1vel:y, on key ~heels 1 througb 5. At. th1a 

stage 1t is possible for the operator to edjuet the kGJ' 

wheelit1 1· through 5 to a desired starting pos1 ts.on. 'b7 · ' . . 

. head at the beginning of tho tranm!!isn1on or reception or I 

a mese_,e. Locking bar 77 1a moved to the -left by 

b~nct, ·ttreeing all the guide flnl'IO 40 through 44 t"rom 

cont~et witb tbe active pin~ 64 end leaving the key ~b-ela . . . 

·· l t~'Z'OUlh 5 free to be i-otatetJ 'b7 ban4. !his ad3uat~ent 

· 1no1Uctee· both the .angular poni.tinne .ot the ke7 wheels · 

·.· .·· .. and,. th~ selection ot which of the pins 64 shell be ec't1'1e. 

It= 1a ~o be '11lClerstood that a ~reaeleoted etert11lg ~oe1t1on 

.· ·.t~r k~ wheel' 1 tbrougb 5 end p~s 64 is necoaserJ ~-c:' . 

the:· ,pr.oper :functioning of the invention and· 1.n an · · 

.iategr.el._ p~ o.t :Che secrec)"' 1ntegr1 t:v ot the de!'-ce. 

•I '1'" ~ • '' 

. ,. . '· 

• 

· I't is '~therefore ·a factor to be guarded . v;1 th care.; to 

. prevent. coaprom1ee. and· cbanged e.e frequent17 ae ·> • • • • I ',." ' ' ', • • p : 

··::· ·. · ·. pnc't1oable if maximum eeorec7 ie to be obt~nfict~ . .... . . . . ... '• . ~ 

··:,. 

·: .. .=. .le7 wheels l through 5 ael"Ve two ~e~ent1al~J' . · : 

cltfte~t pul"pos.ea. On the on~ band 'the7 oan ~4· 

! ... :". : ·. •. ..· :: '· .... usaal~i. do. aot on. one. or more . of the lf.nke 6~. th~Ugb· .. 

. !_ .· .. ·:· .> ::·. ··'.··'_:.::--::.·_:' .. ·· .. ·12.,:..h1~ .. ·c~~pe~1;e w11:h tbe .telawriter mecb.sn1m la : 

· ..· '·:. ·./~::·· .. ··:~<·tli~sb,::. 40•• eacb. link 68, 69, 70, 71 nn.4 7~. . .· - . . . . . . . . . ·: 

· , .... · .. . .· .':- -~aponA1ng to an 1nd1 vitlual leTer 15a tD ~tg. 2. ·.·.· . . . . . •'.. .. .. 

·' . - 16 -

. . . . ' . . .. . ... . .. ···, .. · ·. ; . · .... 

':··· .. . ~i.-:. .. .. 

... 

. . . 

·I 
. . . . 

: .·· 

REF ID:A58715 

. I 

. . 

Here the pins. 64 detemtne whether or not the signal.a t,o_ 

or f'roe the telewr1ter aese11bl1 shall be tnnsJd:tte4·· ·. 

mcbange4 or changed and 1:f' cbanged to •hat degree. ··on: . . 

·the other hand, the pine 64 4Gtem1ne b,- ·.tb81r· actlon on· 

gu1Cle arms 40 through 4.,. end the elide bars .g 'tbrougb. '8 

of elide bar dl'Ut!) 8 which in tuni act on 1ntermed1cte 

.. ' I '. 

· wheels 46 throU&h 50 mea1l1ng ~·1tl1 spur genre 59 thTolldl 

6,,.~eopeotively, the tMP.ount of movement or d1aplaaement 

o~ eeoh ot tbe individual key 'Wheels 1 through 5·'1Z'e to 

expe~enae before each ei«nal comb1nat1on in the tele-. 

writer la 'tbrQugb 40a is set up 'for trsnamission Ol" . · . 

reoep~ion.. ~be working position of pins 64 111.th respect· 

to tbe p:ro~e_oti.ons 115 ot tbe links 69 tbrough 72 1e a~ 

"the· rtgbt side ot the key neels l threu,rl'l 5 1n· Fig. l · 

and -with respect 'o projections 75 of g,uide armc 40 

.•. 

. -

· tb~ough 44 an4 elide bar dru:m a, on tbe laft Gide of tbe 

·. ke7 ~eels. 

. . 

. Slide bar drum e 'ilA-kes a complete revolu.t10Jl · · 

·for aign .wbi~'h 1s enciphered or deciphered.: . Ao th,--:~ • '~ • • • ' • r • • • • • 

8' bepJ19 -to rotQ.te locking ba,r 77 4:rope 4own tmo 1ook111g· 

- ' 

~os1t1on _end pivots the guide arms 40 througb 44 ••81 .. 

. ,· .. _- fJ.'··- ~ey Ydieela 1 tbro\igb 5 and toward. t.'be lt,114~ bar ,.·. ·. . .': . 

.. :·· -_ .·:' .· .-:: ... -._ ... 4nm 8 •. < !fhla· act1on occurs step~ ~tep;· ~king liar_ . . . . . . . . ' ' I' ·, • • '• I 

. ·- ··:rt :.fin' :aropa to the 101'ler right poat tioa a~own s.n .. ' • I ' ' , 'o • , .. ':., • , ·:~· I 0 °, 0 

I ' ':., '• : o 

, : . ·. .. · .: ·._-. ·- _ ·:·ns ... :$:w1th -tron"t edge 80 ~ut to tbe l"13bt ··aa~·:alUtt:lJMC 

l ' • • • • • '. ' • • ' '~ ' ·: ~ • : 4 • ' '' • ' .,1 • • I • • ! • ; : • •' • 

·: :· the :l~ki~s paro3ect1oae 79 of tboae p14e ~o ~oae · . 

.. 

,.-

;· 

I.· 

I 

. . : . 

• • ~ ••• • • • • • I • • • ~ • • • • • I . 

.. .. _.. ·p~38't:tons 7' heve enoO'lmtere4 aotive pins .. ~4- on the .. · . ·_ ·· . :· 

_·; __ · .. ·--~.·-·- .. ~:._:.·.··.:-kQ_w~eela.1-th~up 5~ aa shown in !'1p~1-·~--e~ - __ -.. ·· .- ... - ·:,_'-_:-{ 

. .· _ · ·· .. ' -' · · · : · ·ImaeM.-at~lJ' · there~er an.4 befo.re ~D.7 o~ the'; 4rl"V'1itc ··., -

:_ :: . .- _: .- ... : ·:·· :. ,:.:-.:·.· t;~etb~.·or ."p~ct3~o't1ona 75 ot begtn to ~e~h _:~~ - .. . .· ·' ' ' 

. ' 

! 

.. -

- - ,·. '. i. ... 

. •- -- 1'7 -. . 

. ·i. :j . 

·' i 

- . - ; 
.. ·· ·. j •" 

11 

',/ 1 ,! 

• 

. . 

..• ~ .• .. 

·· .. ·.· 

.. 

• j . . ·: 

\. ... 

REF ID:A58715 

1Dte~~late wheels 46 throu,)l 50, looking bar- Tl mowa •' . -ner. .·to 11;a 1ower 1ett poa1t1on and -pivot•· ·with it all 

ot the _plcle arms 40 through 44, ma1nta.1n1ng · :tbe1r · .: ·· · . . i . . 

.. 

re1Rt1vepoe1t1onn. Those ga!ao arms w'hoae Jt?'03ect1.ona 

_1., enc011Dtere4 active p:l.ns 64 Rre rnovec1 forward to. tbe 

le:lt_bJ the aot1on of front edge ~o on the~r03eott~e 

?9, eo thet their oblique guide eurfaoes 74·eesume aot1ve 

poa~t1ona oloeel7 aa~noent elide bBr drum 8 ~ _\11b1ch · ··. ·. 

.. : ·tbe~•: con _aot UJ:tOD the long pro~ect1ons or luge ?6 ·on_ the· · ':-: · .. ·e114e bars 9 throagb 39. Th.ooe remsin1q ptae &'l"llJB 

40 'th~ 44 whose -pro~eotions 7'5 d.14 no't happen to· .. . 

eaooun-ter an act1"1e pin 64 will have tb.eir luge or · ... .. . . 

PJ'03eot1ono ?9 ·to tbe right ot front edge 8.0 an4 will 

be pivoted to the left.by rear edge 81 of ~ooJd.ng bar. 

11 • . · . Theae last gu14e a.mo will 'be moved. &ma7 from ~ 

wheels 1 tbrougb 5, wt not far en.oup,h to act on 

pro~eotiona 16 of slide bnr dl"IUll a. I.ocld.ng bar ??.·. · . . ' 

aovee cto~r4 undor the aat1on of spring biased liaver 

. I 

·i 

1 

I 

..... ··j 

... ·· l .. ·· r : . I 

I 

l 

; 

. •, :·· 

.8? whtob !'Ooke cloclnd.se because ot th.e au44en event ".ozt . . ·. . . . . . . .. · .. '. ·. . . . :1 ·,;: 

.. 

I 

I 

. : . 

·' .. ... · ·. 

4ztop_ · 1n ·oo 89. . Lock1q bar '17 iB 'then pivoted to· 'U1e . · · · 

left. b7 ·~the subaeauont rise j.n ca• 85 wbicb moves l~er 

' . 

. · 84 aounte:roloclnrise. ... . . 

.. '. .. :~: : · ~king bar .17 and guide ame 40 ·.th~ugh ~· .. I . . . . _;;, . . .. 

r.··::. . .. ··:retain .the above position. during tbe rotation ot arm. 8 ·.· . i . . .: . . . . . . . . . .~'; .. :. . . . ·.:. . . . : ~ . . ~ : : ·.. .. . !::"·· . ..-...:.-.- -_.-::> .. _·:-··.· . ·.·. . ~·~~·· -t~e .Tery loan 4'1ells ~n oaaa. 85 ~ 89 .. hol~:._.1.~. 

1· ·: ... . 84 ·aD4 8? 1n po•i tion. .Ae elide 'bRl" drwe. 8 S.i, ·rotat8c1 

· ·a114e 'bars 9 through '8 are moved past tb_e .suite aaa 40 

tbroUch 44 uci tboee bars havtn8 projection 76 wh1. · ·. 

... 

:i 

.I 

.I . 

' . ; 

.I 

.,. 

I .· · < . -, - 11appell. to enoOantei- ga14~ eurfaaea '14 en puhacl •:'Ul• _- .·.·· · 

; -:. ·. - ... · ... ~ left~ Aa 4ziaa 8 oo.ntiJauea tQ rotate the al.1cle bara· ere . , .. ,,,·.· .. · ·.. .• ' ... ;::.. . . . :·: . . ·.. .", . . . . . . . . . . . . . • : • . • . t 

I . . . "° · .. \ ...... ·... . .. , . ,. ...... ·. 

; . . : . . . ·• . ~ : . . . . . . .. ~ ' • ' •', • I • •, • • • •' • • : .,• • ' 

i". ... . • • . .. · ..... . . . ( . ·. . . 

.~, .. - 18 - .. 

i ~ •' . 

:. ": . .· .~ . . 

. ·:':' 

• ~ • • •, I ; • • • 

I : I ·,· .. ·. • ... I ..·.. : ::·_:··· ... _·: .. ,(:_ ·. -~- . . . · ... . .. :.•, . :. ;:I,: 

~·:. 
• 

I,. 

' . . ~ . . 

~ . : :. . 

: · ..... 

/ 

REF ID:A58715 

aove4 past ·the intermediate wheels or pinions 46 "brougb. . . 

50 end thoae p1n1one which encounter one or more pzio-

~~ottons 75 are rotated one or atepe. Each k97 w'be•l · 

1 ·th~ 5 :la rotated the num'Hr d steps· 'c~&JIO'D~ . . . 

to thoee of that 1ntemed1ete pinion 46, 4?~ 48, 49 o:r 50 : . ' 

w!aio~ meahea with itn spur gear 59, 60, 61, 62 ~n4 ''• 

reepeotively. Of course 1~ one of the 1nterme41ate · 

pinions such ae 47 should not enooW>ter e. projection·:.:15 

1 t and the aorrespond1ng key t:'heel ? -wo1114 remain ete't10Dld'f 

tor tbr.t signal. A.s the drum B rcta'tea those sl14e ban 

9 tbroUflh: ~'.58 wb.1oh have gone paa't intermediate wheole . 

.. 46 tl1:rougb 50 ere acted upon by· a.am surface 91 of blOok .. 

. · go.~ .:Hturnec1 ·to their no:1·111al rtsht position \IDleaa~ ··' .... 

. · ... · · ot· ocnD'a,·, · the;r are al.ready there. 

. : . 

As soon. as.all o"r the s114e 'be.rs·have movel; 

Jas.t the pide aurtecea 74 cem ·follower 84'b of lever .. 84 · 

reachea the end of the long dwell on cam 85 aa4 meeting 

·':·tho ~ent 8511 le rotated sh~rply clockwie~ b7 1'te a~ 

. •' · .,1ae~· · .. 9'1e ·action rotates p1cle erme 46 ·'th~ .50 ... •"81' ... 

' 

· .. . . . . . :, . . . . . . -: . . 

. . . . ., . · .. ·~z:o• 4rum O an4 to~rd the m.a1n key 1'hflela 1 ~broup· · 5 •. 

Shol"t:lJ 'the~eafter a similar drop or e'Vent 1n oam eg> .. · 

:~ermite clockwise movement of ln'9r 87 in reap~· to·.·.' .. 

. : ·· · ·:· ·. · .,·s,a.~rlq ·,;~···· · Thie aot1on raises loo- ~~·Tl ... :-·. ··· 

. . ·. I' .. '' · · 1ta ~~per rS.gh't pod.t1on and ·:releaaea pt48 .. ,.ai;. 46 ·. : ... .... . . '•. . .. ·. .· . . , 

.. ·· .. · . . . ~ . 

' . 

•', 

. '• 

1· : . " 

.. . . . 

• • I. 

... . . . : . . '· '• 

• • '• •,Ill 

.. , 

I ... · •. ·.::.. ·:. 

' . . •'. . . . ·.. .: ·,· .. . . . . . ~ • o : 'I • 

. . ~-:. . . 

. ·'·· . . . ·.... ·• . 

· t)'arcmgh 50, pem1 tting them to be .ntntecl ·c.loont.ae · . . 

towartt k.,- wheels 1 throuRh 5 U!'lder the ·action ·of blae 

. epriqa '~· .. 

. J'u.rther rotation of ahaft 39 ant! d:nm 8 oaae•. • •. • • r 

·:pSD =·111 ·on l8'9'er 116 to rotete levers l:P4, abaft 12' . <··· . ~ • . • . . ~·. 

· .ad' lms- 122 countereloobiae ud bell-Onnk 119 · ~ 

·.:, I 

: . : . ~:~. : : ·.. ·. · ..... 

. .. ~ .. : . 

,•. 

- 19 - . 

. 

.. , 
.... . . 

.... •, . ,. 

' · . . , 

.. 

i' 

' 

,. •. '• ,•: 

REF ID:A58715 · ... 

cl~~·• tbro~gb p1n 121. 'l'raneveroe bar-.119b -1~~ ,11P 

· tbe Unte 68 through 72 ana_ eras•• tbe tome setting~ 

~· ptn 117 passes lever 1:?4 bar ll9b. ·1e m°'~ awtl1 ~-- . . . ... 

links 68. through 72 under tbe 11ot1on of biu Gt'riag 12111 

on l•••r 122. Pin 117 then strikes arni 109b an4 ~· 

bell~rank 109 counter-clockwiae, carey1ng uan.101 at . . . . . . 

the ~~· 68 through ?'- end their attaobed members 148 

towa~ the key wheela... Those links whose pro~ea1i1ona 

115 oonteot aoti'Ye pine 64 are rotc.ted cloclrw.lse aboat . · 

ebat.t 107 an4 produce the relat1oneh1p be,ween pro~eottone · 

4a anc1 5a ebown in .1'1g. ?. . wben pin 117 lemYes arm 109· ·'b 

lm.4 spring 114 restores bell-crank 109 ·and shaft 101.· to· · 

. ·ti1•:lr. for.mer poa1 t1one. !his aotion eatabl1shoe the ·. 

· · eiphe~ o~bination tor the trana1se1on or ~eoeptlcm 

•:. 

Oui~G anne 46 tbroqh 50 bave e'1~ 

aa~ed their next poa1t1one under tbe.aot1on of their. · . . . . 

biaa springs 789 and those active plna 64 enoounterecl b7 

pro3eot1one.7' and the dov1oe 1a rea47 tor another ~le 

initiate~ by .the olootwiae rotation of cam follo-.:r.*" 

a4er: .. tb~· oomb1ne4 ~ti~ ot its bias epr1q and~~·.:··.-· ..... . . . .' 

a'Wl4en drop 89b in cam 89. . . 

. · · · . "_..: ~ · . Bo:raal.17 the el14e bas 9 ihroagh '8 an 

; .. -~ :' .. :_· .. : :_· · .. · ... p~~--~'th one 4J"J:v1ng t~oth. or p1'0~eot10n 1$ :911· .. ~ .. ; -~ . . .. :_..··. · .. <. · ... :._ · >·eaob·,_.·~~~,'.: an~ u, tor. example, the .41splao1~. . . . . 

. ... . · .· .· . =: / ~o~.~l~~~~t~_ea are e~1. divid~ over all. f~~-~87 ~~.~· .. 

: :'. 

; . 

I 

·' . 

. · .. 

. . . l : '"rOlisb· 5 'the driving teeth. 75 on the t1:ra~ elx '•114• . : ' .. ·· ·. ' . . . . . . .. . ' . . . . ' ' 

·. ·. · :.. .. · -~-.- :;, .hJ'OUBh 14 as ahown 1D Fig. 6, are poa1t1~4.: t·o · ... ~: ... , • '.• ' , ." • • ··,: "• ;'"::· , , • •• • , •, • ' ~•~I~ • 

. • ... · · · ··.. ,: .· ·=.~·. · ~·.the 1ntone'11ate wheel: or t>1n1on 46 1'h1ob. ..... I • , • r• ' • I , ~ I o • 

; '' '• '' •• :-!' .C-1' ' '' • ' ' ' • I .i~·· .·.: ' ' ,' • : •. '•,~ ' : ' ' ' 

;.: .···· ... ~~-: .. ·., . ~::--.it11. ·epur .. gear 59 ·of k4t7 wheel l. In tbe •BJ• wq the I ·. , '· \=. ·· .... :· .... .-: , . . . . . :~.. ... . . . . . ·' . :: . . .. .. . . . . ·. ·. . .. 

: ·· · ·· · ·. · . ·.- · . nat 8Z"01lP ot -seven el14e bare 1.5 tllroup.· .~1. ~~ ~h~ .·· · ·. .. 

:· ... 

I . . : . . . .'· .. 

I . ~ .. 

I 

i ':' . 

. . 

.· .. '•I' I"•, '• 

.... 

i: .. : . · .. :· -·: :·· . : . ,. . . '• ·. •• I '' "' . ..... 

. .... 

··.\.·-'" 

•' ·:- ... 

·: . ,. . •· ... · .., . 

- 20 -

. . . . ..... 

·,.'I •, 

. . ' 

.~ .. ; ..... . . . . . . . ·.... . .. ~ . . 

•" I 
.... i .. 

"·. REF ID:A58715 . . 

4.r~_:rin~ teeth 15 positioned to en«age 1nt~N$~at .•.. 11bf!t•l :· . ·: . · .. · .· . . ... 

i . 

. -~7 'to 4riv~ ke7 wheel 2 and so on. With. ~b ea _". : .. 

. ' 

ane.ngnent for a certain com.bination o'f pon1tione. "or'. · .... ' ' : • • ' • ' ' ' ' ' ' ~ "' ' ' • 'I : ' ', 

·k-7. ·:Wh,eels 1 through 5 all five guta.e arm~· 40 'tbroUah: :.4 .• · • I 

~oU:ld roma.i.n_ in their inactive pos1t1ora.~,: leaving_ ker . . . : 

whe~le. l through 5 ~tationn.ry. Therefore~· 1.1tt le~·-~·~·-· . . .. . · of 'tbe elide .bars 9 throu~h .,e must have a driving too-.b. ,. . . . : ".:., ... · . 

75 positioned 1:10 that it will meah· with one of 't.he .Ultezw • ' • • I • : •,;. • ' 

. ':;' medi.~t• wbt!l~lu 46 "through 5·0 .when tht'f.t. elide bQr .remains·· .... ·•• . . . . . ·. . ··.• : •. i .. 

··.::in ,.its nome1.ly inactive. or right 'hand. position u1.18:ft'ecte4 . . . . . . ;· ... . ' 

by. gtdde portions 74. "WbA.tever the arrangen:•n't aeleote4 •, , ' I ' ' : I•; , 

at leut one.key wheel shoul~ move f'oJ'.each sip, eno1pheft4 · . . . .. 

. or deciphered. . . 

One or ~ore projectione.76 m~7 be placed~ 

eaob slid& bar· so that two or mor~ k97 wheels.may_ a•t 

1nd.epenaently on the srune elide b~ over .. ~c1e: 81"1D8 .40 

throlll;',h · 44.. Of caut"ae inore tban one driving ·teetb ?5· · 

ma7 also b.e :r>.laced _ _.on the sn.~e elide bar. 

I .',• • 

·. One a:rrange~e.nt o'f driving teeth ?5 aa4. ": · :. : ' • ; t I ',' ,", I• • I 

,'. : I 

· ' ,PJ;"O."~eotions ?6 &J'e 9hqwn in l':! «• 6. · .. Zh~.;re are in .. all. ' ' 1. , •I I• 

I tb1rt1~t'WO d:lsplG08Jm8ftt QiJ~binatiODf9 NJ!Oiig the fi'f'e iai•• • • • • • • •• .... • 1:1 • 

. . ... ·:. memb~~~ 4.0. tbroUgb ·44 ca~abl~ of t~ing o~e ~t. two . . . . . . :·. . . . . . ~ .• . . 

.. ·.. 

1· .· .. :·.: · .. :.:.-:·'. ·:··.·,· . .' · :-.·-.p~~it1~s •.. · 1.:x~ples· of auch ~omb1na~1~D with ·t~·-~~- . ~' ' : ' I ' '' ' • ,· ~ ': ,.• '': •,' ' ' t '' ' ' ' ' ' - i '•' I • ' • • ' ' 

· ·' ·· .. ·. · ··.··; · ·.: .':: .· sh$~ are as follows: · · · . . . . . . . . . :·. . ·. . . :·~· . : . . . . . . ' ::: ::- ·. . .: •I ,',:•: ••• ,•'' 

! ·· · : · : .-, · .. :· .. ·. · .,·. : ·.. .. . 1. With the guide armm 42 an4,. 43 of ·kq .. .. 1,, • • 

. : ~ : . . 

· .. wb~~la 4J and 4 in '-ct.i~e positions the.k~ Wheel l Wlll .. : !• > ' ':• ,· '::' I 

... . . 

~ ' ' I' 

. •· ,•' 

. :' 

::,- : ·be· :41spla.c.ed tour steps· end the resa1n1ntr. key ·whe~le ·. . ·. • ' ' I,:, I' ' 

.·.. .:::·. · ... : 2. '' · -i end is will .. ~e dioplaoea three, one, two an4_· ... · '· . 

. . . . . . .. 

. ·.·· 

•. ' 

"three ··at~u respect1:vel7. . . . ~ . . ·.\ : .. ~- . 

.... ·. : i~ .·. . . ·.· . .'. ·:5 .... •' . . ... · : . .. 

. . 

·.:· . 

·:= ... 

·'· With 8'J1ae e:me. 40, 4?. an4-".44 o~ k97 :. .· .. · .•• I 0 I ' I' ''• ' 0 '': ' • ' ' ' 

- ?.l - .. 

., ... 

· .. 
., .. .. · . 

REF ID:A58715 ,; ;,. 

.· . . , 

. ' 

~ . / 

' 

·, 

.Whea;a-'1, ' and 5" in active t'Os1t1on1 key wheels 1 

"throi:;gh 5 will be dis.plaoed throe, rour, three, tour . 

and ~hree steps, reapectivel7. 

1· 11th guide ams 41 1 4.2 .anct 4l of k8J' 

wheels 2, 'and 4 1n active position, keJ wh~ela ·1 ·. · 

tuough 5 will be d1splt1ce4 four, three, two ·anc1 four ·. 

stepe, reapeotively. 

4. W1 th guide arms 40 ~nd 44 o~ ke7 wbeela 

1 and 5 in active position, the key wheels l through., 

will.be displaced two, tbree, four and t-wo·atepe, 

rea))e0t1vel7. 

!'he recurrence factor con be inoreaeecl by ., 

. . . a441ng_ o'tiber guide arma and ke:r wbeele or .~re s114• bani~ .. ;.· ... · 

.· · ~-er wa7 to inoreaae· this factor is to :131ake drivtq . 

. 'teeth ··75 end proJec'tions. 76 movabl~ in 1he amae OZ' . . .. . . . . 

. auiilar wq as pins 64. Teeth 75 encl pro~ect1on.a ?6·· 

a0\114 be Sh1.:tte4 rather than made active or iJUaot-ive ·111 

th•· ~sense these term.s a.re applied to pins 64 • 

. . . /_ .· · . .-··;rO. Jigs. 11 end 12 each a_lide bar ·9.2A,· 9~.: . . 

. _:."throUgh 96A,. 96D ~a provided w1 th five . er.ms 97 which an . . . 

· · ::rotatab~e mounted on pJ.vots 98. !'he ams 91 .ou aa ... 

· ·· · · '•.1"~'~· of. t~e two pou~tions . .!. or l, aa a1;l~. 11{ "•~ ~· 

· · · · ..... <· ·. ·.·.=. ·ibo~· .. ~ 97. which~ in.posi'tton .a • .;:: .. l>~·-.~~- .:·. . . . _:.. . . . . . 

;_ .. :·. ,. ·.~ti'.~ .. ms 11•7 l,. acted upon by the pt4a Pe>~10.~ 74·•· · .. . . . . . . . . . ."·:. . . . . ~-::· . . . 

. ·. -.. · ..'' . ·,... nose 8l'ID8 97 ·whiob are in poait1o.a. .l!. ll&J·.·" ·~·•mod ·;: . . .· 

\. :· ·. . · ..... ·. : .. · < ·"· · .. 1~.~'t'-ve an4 w111 no~ be act ea u~on b7 th~·:::-8 . · · · . _..: • • '• • I ' 

.. ··. ··:.~·- ::.:· ·· .. · .. ·. · : p~-1~ ?4. Arms 97 ·.are 1ocke4 1a e1'th•r po'a1t1on ·. · · · · . • '••' • • o • • I • 

.. :.- , ., .. :.~:.... a .~). by a bi~ ep~ne 100 ha..ina a bent ··~oni~ · 1oi :In ·. 

... · .·. . . ·.·. =· •.. :·:. i·.' .. . -·:. ~ aeJ;i..es1on 102 1~ the al14e bare ·92A. 9D ftrougb 9&A . · . .· . '... . . . . . . . . . . . . . .... .:'. ·~··: · Spring 100 ie fiat or leat ancl 1•. 'rov14- with ·· : . ·.-· / . l ... . f· •. ·.: ··I,• i 

'i'' .... 

.. 

·· ... · ' . . "••I:•' 

... : : ... 

··•., . ·: 

: . ' . .rr .. .. .. ·~ 

... ·, .· :·· .. · .. · .... 

. :· ...... . ·· ...... · .. -~: ,":~·~ ... . : . : ·.· · .. · . . ·-.·'· : • • :. • • • I • •• •• ' • • • ' :' ·~~ ~ • • ' 

. . . . . .· . . .:. _ _:.~ . .: .. ·.-: . ·. • ,. r I• 

• ::"A.,,. ;. •• • ''' • • ." • :·:: • • ·.I 

: · .. ::· .... .:. 

. ,··. 

- 22 - ;: : . •' . 

.. 

... 

i .... 

. ..... 
i 

·I 

I 

-~ 

. l 

I'• ' 

j·' 

:. . . 

... . . . 

. ' 

.. 

' 

•• ~.. • •• : tol 

REF ID:A58715 

.. two_poattioning bolea 103 and 104 arrruige4 to reo•ive a.a . . 

hol4 punched projection 105 of the armo 97 when the7 m. 

rotate« about pivots 98. · .. 

In ?ig. 11 barn 9?.A, 9,A, 94A~ 9,A.~4 96A 

ere· ... normal" tne .l 'bars and their dr1v1ng.1:oeth 106 

will engage on4 rotate in~ermoai~te wheela:46 through 50• 

'. 

Tbe·elternnte or type E bars will engage the interme41eie 

wheels when in normnlly "inactive~ or right position. 

Just am 'tb1rt7-two gaide arm relative 

pos1~1on .oomb1n.at1one can be obtA1ned oo aleo oan th1rtJ'-

iwo. c1pher1ng-link 68 throuch 7~ relntive position 

· coml>.t.Dationa be obtained. Througb t!\ su1 table choice· of 

tbe-.mmber ot pinm 64 on the key ~·heels ana their active 

.. · . Bl'J'.~1ement, of driving teeth 75 and operati!\-1 ... p:ro~eotiona 76 on tbe slide bare en exceed1ng1J 1ml,111.Ar. 

41aplaoement o:t th.e key wheels 1a obtm1ned with a 

repetition f'aotor so emt1ll thn.t fr011 e prsottcal etand- . . 

point the ~ber of 41fferent oomb1nat1op sequence.a ~or 

,· 

the enc1pher1ng e.nd deciphering of transmitted en.4 reoe1vea· 

'\elnri ter a1gnn.l. impulses ma1 be regarded ••· ' . 

· au'bstant1·ally unl1m1 ted. Certainly a re:peti ~1 ve . . ' 

pattern.1a not 'to 'be found in any normal aessaie or~-

'. · ... · ·::oom~t-1on o~ iaesaag~e ae it covers a s·eq~~~ -o:r.~ • :'· ' ! • • • • ·~ .' :~:-~· .: 

. . . . .. at~o~ ·aigne. . ·'~· . . .: . • ' I I ~· • 

· ... · ' ••• • . • f 

.. : :· .. · ·.file abo'\'e disclosure preeente certain aeans by · : · · . · : 

11h1c~ . the .in'Yent:ion 118,J' be pract1ce41 bat ~1; 1~ not· . : 

.. .' 

·.s:~t~ecl to l1m:l1i the. ~ppen4ed cla1ma t~ 't~e speo1f1c · '• ·. ·:.:·;. 

aemie shown. The· invention le l)reoen'ted 1n the cl~:ma 

· 'by t~ intended to be generic arul 'to 1nolu4e aJ.1 · '-:····~ . .•' . . . 

ihoa.~ meana bJ whiob another might seek to p~~oe 

..... 
... . · .. "~:°-t, 

i: ! I •. i· 

' : 

I 

... 

. REF ID:A58715 

t~e invention bJ tollov~ing the tea.chin.g herein. Q'tbe1•• · 

me_ana bJ' wh1ch the invention m&J be practiced "Would-"··· = ·.- · 

! . . . .;~ 

Ii· ... ··. ~ ·. o~pr;t.se ·the uee of ele~tric·oi contao'te ~n wh1cb ·the · ·kq ~ . ·. · ·. · . . ·. -~ .: . . . . . . . . . . . .. ·. : . . . . . . . . 

' I .. 

i 

~­

! 

I 

.•,; . ... 

. ·. .. 

•heel pine 64. could not for modi fJing cipher· circuits. · · .. ·· · ~ \ • ,I 

. . 

r.lide" bar druma (aid key wheel~ oan be divided into· two or · more 1nterao·t 1ng groupo. There can be separete sroupa,. ... 

o~ slide bare as ~ell as key wheels. file basic ooaoept 

of· 1nteraction between key r;}rncls ~nd slide bar ~l"Uil: .... ·· 

.~hereby ·the key v1heiel~ infl.ue:nce their O\nn displacemen't ·. . . . I·. I •• 

· . . • 

ma7 · ·t,1ke me7 tormo. . , . : ... &. •• : ... ; • ·: • •• 

i . 

I I . 

: ' ! ~ 

.... I , , . • 

1.·: ......... · .. 

.. 

:- . .. 

. . 

.. 

~-

f'unction of interacting with the slide bar dl'Ul'll to· 

4etera!no their own displncement and to act o~_mef:lfte 

~hie~ ef~eot the ciphering operation either mechenlcall)f· 

b)' aotion on lovers wh1ch can take a :p-lural1ty of· 

posi tiona or electr1:cally b~ net ion on contscts. which .. · · 

control single or multiple circuits whioh· ~an be ch~ect 

in a plp.ra.l.ity oi" wnyo. The key-wb.eel-slide bnJ:'. drum. · . : ·. . . 

comb:l.nat1m:·~nn be u~cd tor displaoeoent ~f. elect~cel 

.. . . 

ciplierin& means such as cyli~ders or c~~ .. _aotin:g on single· ,. . 

. or ~t1ple contacts, ciechnn1ce.l m~~s suob·· as 1sve:ra or · 

oalU: or OD reproducing mean~ such BB type dleels • 

; .. . .. .. :'" . ... · .. ·.· ·· .. . ' . . .. .. ' ' •' • I • • ~.: ~ · .. •• • •'o. I• 

'.· .: . .' 

L . . . . . . . .:::·= ... ·. : ... 

., . ·. : .. :=: I •:' 

•,o I I 

I ·: ,. 

. . ... :· . ·. ·; . : ·-.·~.·. :·: . . . :_ ~.. . . : ; : ~ . . . 

.. •: ... 

I',' " 

' . 

. . . · ..... 

.. '. ',• 

.. . . .. . ,', I .: • • ', 

• .. 

. .. . ... . · ... . 

.. . . . .;:~1 ... 

~ .. . .-: .. 

t . 

, ........ : 

... : .. '~ ·;~·. . . ', ' I 

. . . ...... · .. :r:.· · .. ., 

..... 

,, 

. ' 

~ . . . 

·• ~-

'· 

·- 24 - • . 

. .:, 

.... 
.. . • .·• ~· l • \ 

· .. ~ > .· A .I., . ~-. 

..... , ... "~ .--·· ·-. ""d•• ......... --···· ... --------····· ·- .· •.:· 

REF ID:A58715 

l. · A olpher1ng 4eY1oe oompr1a1ns a poup ot main 

.• ,· 

·.' .··" 

.. · :: .. : 

' : I • 

. . ~· . .· 

I" • •I 

. .. · . 

. . . I • • • ~ 

. ·.· : 

. ;1 

1'117 wheels, a group or intermediate seoondal7 wheels, . . . . 

. . 

· . a •111.e bu· 4.rmn, "l&.1'1able poa1 tion means having . . _,.able elemente, sa14 eleme:nte 'be1ng·1n~vlduall.7. 

·mO't'able 1D l'eaponae to ea14 key wheela, meane to 

look aai4 elements in a poup relation 4etel'll1ne4 · . . . . . 

bv·. ea14 kq wheels, said •arlabl~ position 11ean1 

acting upon aa10 slide baP dPWD to pro4aoe a 

Yartable tooth gear acting upon _selected aecon4al'J' 

wheels, said aeocmdaJ'J' wheela acting upon ea14. 

ma1n ke7 wheels to produae an irregular 41eplacement 

t~~l'eot' ot a very large number ot oomb1natlon 

:.eequenoea.· 

..... · .. ·In. oamb1nat1on a cipher 4eY1oe oompr1a1na a 

. · sroup or rotatable wheels arranged to eno1pher a 

..•. 

·.· · :alpal an'1 meana oontrolle4 b3' the wheels tOI'_ 

··:· .. 81.terins tbe poa1t1~n ot the wheels to P..-U:o•· .,.n~ .. 

t~..-egu.lar 41aplacement thereor ~ a very/large 

1RUll>er ot oomb1nat1on aequencea • 

·. . . : 

. ·. · . . : . 

· .. 

.. ... . ,· .... 

·. : .... 

I~ . t.. . %n · oOlllbS.nation a cipher 4ev1oe oompr.1,a1Dg meaaa. ,.. . : . . · . ·;· . . 

for ~o1pher1ng 11Jte1·11genoe and ..,eDt. aequeoe . 

:mean• ·oont.rolled b~ ea14 meana ror .altering the ~ 

· · . ·. ·. ·~~10D or aa:14 mean·• to p:a-.Gdu.oe .a ·· 1arse JIUl9·e.- Or· · 

. . . . . ·o~b1nat.S.on a~enaea • 

. ·· ... 

·. ·.1.: ·. 

'.; .. ·.· ·. 

. •: .. 

..... ~- . . . 

. . . 

., 

. . ~· ~·~. ·> .. 

. .'~ .... ;_:.; .. ·· 

.:· .. 

:.'· 

,. 

;. .. 

........ 

.·.··:.::··:· .. 

... 

'f',.J 

.. 

. ··· 

.. ' · 

·. ·: 

• 
' . " . 

• • I • 

! . 

•I "• 

,. . ~ . . 

' ~ 

I : 

'· ...... '· 

' REF ID:A587°15 

. . . 

.,. .. · .. In }'lomb1~at1on a oiph.er devioe oomp~_1a1~g · : .. . . . -

meana tor eno1phe~1ng and 4ecipheP1ng intelltgenoe·· 

· .. ana.·_:aecoa~7 meana whtoh 1• atteote4 b;v sai4 . •, . 

.. meana :·and· in turn atteote aa14 m.eane whe~eb1 : ..to 

. · pr~oe a repetit1'Ve circle of greater than a·· 

-million un1 ta. 

I. In oomb1nat1on a cipher 4e"V1ce comprising a 

t1rat group or means to deliver and reoe1Te 

1ntell1gei:ace, a seoond group of means to e~o1pher 

·an4.4eo1pher saia intelligence, a third group ot 

aeaD&·for tranaterrlng enciphered 1ntelli:£enoe, 

meane to tarther eno1pher aa14 1ntell1genoe 

_·, · reoelved hom aaid tranateP means aa4 tranater :lt 

. ··to •.fourth poup ot meam wb1o- oo-operatee ·_with 

•-14 aeoond group and o~ea the action of aa14 

.: aeo~4 P~P· 

· e. Tbe 1 t•• ot novel t7 ahon .1D the drawing 01' 

4eaor1,e4 ln the. apeo1t1oa\1on alone or 1n .. ;.·. 

.... . :!-'l~~tion. - ..... ,· : .. : 

. : .. . ... ;• 

.. . . . ·. . ,. 

:. ·:' ....... ~t~ ,·· < .. . . ·.:. ;:. : ~ . ; .. :. : 

I,•' 

.... , ~. . . . 

·' •. . .. ·, .. . . •' 

.. 

. : . 

. , . 

;i_. . 

• ~ j• 

~. ·.· . 

' . 

. .·. 

;:··: .. . .. · '• ' '• I 

· .. · .. 

\· ;.\ . 

•/ I 

. . :.;:·~ :" · .. 

·'.:: .·.· 

-:· .. 

... 

,. 

' . 
. .. ...... 

· .. :· . . ..,. 

. . ~ 

,j. 

' 

.. 

.. 

REF ID:A58715 

'· · In oombination in a cipher 4ev:lae, a tirat 

e. 

. ; •. 

SJ'~up ot meana tor enciphering an4 4eo1phe~1ng 

:lnte~ligenoe, ·a eeoon4 l'J'OUP of meana tor . ·' 

~•••1•1•s encipher.a 1ntell1genae ~rom aat4 

ruat ··..--p an4 transm1tt1ng 1t to a th11'4 poap . . 

ot m•ana, and meana interaoting 'between sa14 

th~ group ana·sa14 tirat group to ar.teot the 

eno1pher1ng and deo1pher1ng ot intelligenoe b~ 

.. 14.fira' g~oup. 

!he oombination set forth 1n olaim 7, 

lookinlf aeana tor ea14 aecon4 poup whereb1' the . . . 

apaoe relation ot the members ~ the group ma;r 

be •tnta1ned tor that portion of the operation 

o~ole 1n wh!oh enciphered intelligence ie 

tranamitted to aa14 thll'4 pouJ> • 

ln. oombtnat1on in a cipher device, a ar~•P 

· or Jtq wheela each having a aeries rd teeth an4 .. 

. a ·••1•• ot oontaot aeana thereon, enoipheriq . 

' ·. ·. · . ; ·. ·. · .· · .. ·a.~aia~··. ~~Id to be atteoted b1' eat.cl o~~t~e\ '. 

.>··. ~ ... :·,:_:._;._-::··.,.'··: .. '.. ·.· · ..··~·:.~~·~--~· ... ~_,. aote4 upon b7 aa14 eiaot~h~1na·' :··· .. ~.~- .. ~·:·.··.:_.._· ... · ... : .. ~·.~=·,:·· .. :·.(L~:.--···~-'·' . . .· . . .. . . ... ~:~·.:·.I 

: .: . : _. ·:·. . . ·. . : ~ ·. ... · ..uane' ·ana · aottns . in tun upon aa14 teeth to ·. atteot 

} .. :. : · .... : ... :.-..::·· ... _·. ·'. .. ·.·:· ... : .· ...... _·.the .·.·~~l ti On . ot 8814 ke,.. wheel·~·.·. ·. . ..... . .' .. ·. . . . . '.·. ·... . . . .. " :, ·. /. . 

-~·:."i· .. ~· .. · .... .' ... : · ... · ... . . -·~:.-· .. : : .. .. . 

,: . . . .. ·"' .. ·: ·. 

I ' I • • ' • ' ' • • ' • ' 

'· . 

. :·_..·. . .. . ·r •. 

. ·, . . : ; ~ ... : . ·_· . . . 

..... 

... .. ,. 

. . ~~ ·. . 

·:· .... • ·i- • 

.... 

·::·. 

· ... 

... 

. ' 

.. 

,. 

')· 

.... : .. 

.. .. 

.. 

·, 

'1 • ~ : 

. ' 

. . ~· . 

•: I 

. . . . . ., 

.. ' .. 
· .. · . 

~-· 

'; . 

. ~ . ; 

. . . .:· ~ -:· . 

I ··'.• 

" . . ... 

;· ... 

: . . . . . . . 

REF ID:A58715 . 

10. In oomb1nat1on in a cipher device, a gPoup ot 

· ke7. wheels eaoh having a aer1ea ot teeth an4 a 

•••1ea.ot movable pine thereon,_a group ot p1votect 

au~~e.arma eaoh hav1ns a pro3eot1on to be ao\e4 

upon b7. aa14 movable pine to ad,ua't; the relative .. . .pea,~ tlons ot said al'lllS to ooztreapon4 wl th. aotive 

. an~: 1naative ptna, means ·to look sa~ a,.ma 1n 

a4~~ate4 poaitton, cam-like aurtaoea on aa14 arma, • i". 

mea~e to pi•ot eaid arms as a looke4 group to~ 

a a114e ba• 4rum. aa14 4rum having a aeP1ea ot 

.elide bare with projeotion thereon capable ot being 

·~oted upon by the cam-like eurtaoes ot aal4 gu14e 

81'1118 to move certain of aa14 bare an4 torm a 

vu~alale toothed goulng arrangemen' capable or 

oaue~,. t.he teeih or aa14 gear wbeela to ohans• .. '• .· . . . . 

. . 

· · :4'helr relative poai tlone and pro4uoe an irresular . 

. 11 .... . ·• "· 

. ·'11•pla~ement thereof' ot a very luge mimber ot 

.oomb:1nat1cm aequenoee • 

Xn oombinatlon in a eS.:pher aevioe, a P•P ot . . .•; . 

· i enolpbe"lng .· : :" wbeela.havlng . . 41'1v1Dg meana . ant ~ontaot 

. . ·•••• tJle~4JoJi, a srou.P. or moYable means- oontr~lle4 .· .· ... ··.. . ·. .• .. ' .. . :'" ;. ·. . .... · .. . · ..... / . ··. ·'.b1' .•a14 ooiataot aeana, a ·aeooD4 eaoS.pheriDg meane . ojl • ' • • .. ~~. • ',· • • • • • • : • I ; 

. :- .. · : . "•on~roi~e4 by aa14· group or movallle ••-'•-_·and .... _ • . .. . =· . ,. . ·'•. . . . . . . .. . . . ·. 

. ~ . : :· .. •. ' .. 

,·. 

.... 

\ .. : 

... . . 

.. ·.· 

. .. 

. . 

drive meane of aa14 ll'OllP ot eno1phv1ns wheel• · • ··_.:-:. • r • • • • •• • :;' ' •• 

·whereb7 to ohange thei• relative poa1t1on and . . 

p~~~oe an iJTegular 41aplaoement.thereot' ~-~ verv 

larse.numbe• ot oomb1~t1on saquenoea. · 

... . . . ·.·. . ···:· 

. . ·, . 

. . : -~ . 

... 

I '.;~ "• • 

·~1,·~- . . • 

.. ·· .... 

' . ' 

,.: . ' ..,.,. 

' . 

. : . 
. . . .... . <tt'. REF ID:A58715 

.) ..,..,, 

11. ln oomb1nat1on ln a oipher aev1oe, a t1ret 

,: 

. ; . ~ .... 

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