USRE15485E - benedict and e - Google Patents

Description

H. A. BENEDICT AND E. M. MULLER.

CONTROL SYSTEM AND APPARATUS.

APPLIcAnoN man Nov.4. 1921.

A Reissued Nov.y -7, i922.

3 SHEETS-SHEET 2.

'y ATTORNEY H; A. BENEmcT AND E. M. MULLER.

CONTROL SYSTEM AND APPARATUS.

APPLICATION FILED NUV- 4, 192|.

#I o Y 5 swm E 83 mn M 4H T-0 O ...u QN. T 5%, wam ,m 1n mdd i S 6 M 2 M J .6 9h n 9 0 H v 3 M 7 W.

5 9 1. m I E d N@ e H w w# .E 6 B y Reissued Nov. 7, 1922.

f HEMEL 1A;- ISENEDII, oESEAs-r ORANGE, AND EDVAED M. MOLLER, or JERSEY CITY,

. NEW JERSEY.

CoNTRO'L SYSTEM '--elbodiment of fthe i' invention System Ann` 'TAPPKEATUS No. ZWGBIQ filed April l24:, 1920. Application 'for 1921'. Se'fia1`N0. 512,924.

'fFighQ is-a plan View land Fig. Sian relexatibn, looki1ngrl1-in the diredti'on' of' the; arrow Xin' F :2,of afoot-operated air-"Valve 1 usedj with .the `door-col'itrol' and air-brake Filg. 4 is'a diagrammatic representation -b'ff the door-operating i mechanism or' engine,

the r'foot-controlled air-Valve A'and -certain i-Vievf ill'usflatingmore i particularly the `Iel'ativev positions -of the air ducts Within the Valvec-saidf'loipes While running thecar andfwhen thedo'or orfdoors/a-re heldin their 1 olose'd or' looked-position; and.

Fig. 5 is'a simi-larrepresentati'on of 'the air-Valve, show-ing the relative 4positions of= 'the"a'ir-oll'u'zts'1 Within the valve, when the notorman has removed his foot lfrom 'the 'foot-leverfor'plunger"of thevalveVso Ias' to 'jstopthe clarand*k simultaneously opening the dooror doois.

Similar 'characters of reference :are ein- 'ployed inthe-saidabove-described views, to indicate corresponding parts;

Re'ferringnow more particularly to Fig. l ef'the drawingsfin 'which iis shown diagr'ammatica-lly a] general `a'rra-ngern'ent of V'electrical instrumentalities for'starting and operating 'the car and a similar arrangenient of Vpneul'natic `inst-ruine'ntalities for V'for' openingv and" closing the platform-door or ydoors '26nd,' iat the same time, controlling thestoppi'ng andstarting movements of the ucar, the reference character l indicates the main-trolley#Wire,V with which isfn rolling contactv any usual construction of trolley- Wheellas 2,7'arriecl by a pole 3"'With which is connected, inthe 'usual manner, a'main-oircult conductor 4.' "i f Insertedin this "circuit, in the usual and previously-mentioned controller 11y through f well-known manner, are a fuse-box 5, a main switch 6, a line switch 7, a switch-group v`8 and the usual electric motor or motors 9, 9. In the accompanying diagram, as representedin Fig, 1, the system is shown as used withthe twoend-platforms of a car, so that `a control resistor 17 which is grounded, as at 18, to provide a complete circuit.

Also connected with the main conductor 4 is an auxiliary conductor 19 leading tothe control switch 16, and extending from .said control switch 10 is the above-mentioned conductor 16 with which is connected the which the circuit 4is completed to the control resistor 17 and the ground 1.8, as `will `be clearly understood. Leading from vone of' the conductors 15 is a conductor 2()l which terminates in a contact member .21,"while, connected with ythe control resistor` 17, ,is` a motor-control conductor 22 attached, at its opposite end,to a Contact member `23.Y

A pneumatic relay comprises ai cylinder 24 in which is disposed a piston or` plunger 25 that is biased by a spring26r to cause av member-27, carried by the piston rod ,28, to make contact 'with the stationary. Contact members 21 and 23.j Injconnection with the electrical instrumentalities and the electrical circuits hereinabove described, we rhave shown the arrangementof the usual starting resistor 29, the sequence switch 30, and the reverser 31, as. well as the arrangement of leading from the switch-group 8'to the sequence switch and the conductor-34 leading from the switch-group 8-to the reverser 31, the electrical circuit being completed from one of the conductorsv 15 with the sequence switch30 and the reverser 31 by means ofthe conductor 35,v as indicated in'Fig. 1.

Having, in the foregoingin` ageneral manner, set forth the general arrangement of the electrical instrumentalities, we will now set y forth the general arrangement of the pneumatic instrumentalities and their pipe-con'-y nections. l I

air-intake 37 and is electrically operated, from the main conductor`4, by means of a switch v38 and an electric governor 39, a

the car can be operated from either end, and,

the conductor `32, leading `from the switch-` group 8 to the resistor 29,the conductor-33 An air-compressor 36 is provided with any conductor 40 `leading to the mechanism of the air-compressor 36, and alrconductor 41, which is Lgrounded as at"42,3completing the power-serving circuit for the air compressor. Connected with, and leading from, the aircoinpressor`36`is a pipe 43'or conveying and is connected themain line of piping4 46, termed v,the reservoir line. The governor 39 yis controlled by the airpressure within the tank or reservoir 44 through a `pipe 47 placed between thev pipe 45 yand the .governor 39,

as shown.

Connected with l,the respective endsfotfthe suitably constructed. foot-valves ,through which. the compressed air, isV adapted vto b e passed into a line of; pipe 51, llrnownas the `forcing the compressed-air into the air-receiving tank or'reservoir 44. Leading out of said reservoir44 is a pipe 45 with which piping are ,thel usual brake-valves, as 48. Air-conveying* pipes 49 are4 connected to train linepfor actuating the brake-mecha-l nism of the `usual brake cylinders -52,'con

Anected with said train ,line yby ythe piping 53.

Air gages 54,1nay beconnected toa yreservoir line 46 bythe pipes `5,5, inthe mannery shown.

Connected with,and leading ,fromatheres-v;

ervoir vline 46 is a pipe 56which isconnected to a. control-reservoiro57,` and a cut out cockl 58 is located in the pipef.56. .Leading from said:,control-reservoiro57 :isI a pipej'59x in which may be placeda strainer 60for con-;v

veying the compressed air to .themechanism ofthe reverser 31. Furthermore, there is kconnected with vsaid pipe 59 another, pipe 61 for conveyingthe compressed pair kto vthe mechanism ofv4 the switch-group, 8v and the' line switch .ina manner as indicated in Fig. 1. .To pneumaticallyopei'atethepiston or plunger 25- of the, hereinbefore mentioned pneumatic relay`so as to break ,the electrical circuitjbetween the contacts v21 andv23 and.;

the member carried by ,the piston rodu28, anl air-conveying pipe 62.is disposed'between the train line 51 andthe end oi the cylinder `24 of Athe pneumatic relay, as shown.

. `Referring now more particularly yto Figs 2 to 5, inclusive, feachpreviously. mentioned foot-valve 5 0 comprises a suitablyiorined shellA or casing, as 63,` Ein the :cylindrically formed valve-chamberof which is oscilla- Vtorily disposed a valve-diskor member, as

ends -journalled inv suitably PipesA 67 also connect they reservoir, line 46 '64, mounted. rupon the spindle 65 having-its Arespective formed bearing1 portionsfor members 66.

withianinlet toveach shell of casing 63, for

the purpose to .be presentlyset forth.-

f -As indicated in the diagrammatic views represented in said Figs. 4 and 5 ofA the drawings, the fixed or stationary portion of each shell or casing, 63 isv provided. 'with an: .j

arrangement of ducts, as 68, 69, 70,71, 7 2 and 73, the .pipe 67 being connected to the duct 68,`pipe 49'to the duct 69, and pipe iis lpsdisposedbetween'a bifurcated endportion of a` suitably formed crank, as 97, said :crank being suitably ,connected, by means Y of a socket-portion99, to the end of the 80,7781Y and [82,

73, are'connecting ductportions 77, 78, 79,

.s Saidl duct-portions being adapted to establish communication. with ducts 83,. 84 .and 85.. in the' valve; disk' 64, asrrepresented` in either Fig. 4 or Fig. 'sof the drawings. I vn One means of oscillating the valve-disk f 64 to establish; communication between the respective ducts, as shownnin Fig. 4 or in Fig. 5, is by meansiof a foot-leverY or pedal, as 86, which is mounted, as at- 87, upon a pivot-pin 88, extendingA across aportion 89 0f the shellor casini);V 63.y The, said portion is also provided with a pin or Stud 90, and attached to that part of said studwithin said portion 89 is one end 'of a' spring 91, said springbeingalso attached, atV its other end, tothe Apart 87 ofthe foot-lever or4 pedal 86. Pivotally connected to aA portion 92 fofsaid lever or pedal 876,A which is mov'ably disposed in van opening, as 100, in saidportion `89', by means of av pintle 93, is a link 94, saidlink` being operatively,connected, at its en d ortion 95,to a connection' or pin v96, which spindle 65. n -V v From an inspection of Figs. 25and 3, it will befseen that the reciprocatory movements oit' the foot-lever lor pedal vertically, by means of the above-described elements, are transformed intofreciprocatory vmovements horizontallyof the crank'97, so that the downward position offthe leveror pedal y .86,"when depressed by the foot of the motorman, causes the vvalve-disk 64 andthe `variousducts to assume therelative positions indicated in Fig. 4 of the drawings; but,fwhen the footipressure is removed from ,the lever or 'peda.1,86,.the spring` 91 causes-'the' lever -or 'pedal to' assume the dotted' position indi*- catedzinFig. 3,- and thus causes thevalve disk-64and the lvarious ducts to assume the relativepositions represented inFig. oi"` the drawings.v l

-The door-operating mechanism tor .pneumatical'ly opening and closing the platform- :doorsof the car is' diagrammaticallly illustrated in Figs.' 1 and 4' of the drawings',v and one embodiment of the same is an arrangement of four ` cylinders 101, 102, 108and 104,

vrespectively provided vv'ithpistohs or plungers 105, 106, 107 and 108. vAs shown, these kcylinders arel arranged in'l pairs, the cylinder 101 beingop ositethe cylinder 102andthe cylinder 10S eing' opposite Ythe, cylinder V104. The pistons 105 and 106 are interconnected byiconting riile "that 'it prvidd Wah ay rack portion ,1110,.f3nd the, stosY lo., and

10`81are likewise interconnected by' a5 connecting rod 1,111, also provided with a rack portion 112, thev` two rack` portions being in .mesh with lthe teethoffal pinion 113 constituting part of the mechanism for actuating theflink'connec'tions 114, rorother mechanivSIns, for opening and closing the usual car door115. .I p l l Having, inthe foregoing description, set forth the generalA arrangements andcojmbinations of devices and parts for locking the doors intheir closed relation before the `car or buscan be operated, 'and after the doors yhave' vclosed permitting the operation the car.; and, furthermore, for opening the doors automatically after the car .has been started,

we will now. briefly set forth themannerjof 'i producing these results. y

Let us suppose that thercar is. 'about tobe started and Athat the, `doors are in. their open positions." One method of operation is as follows:l v l f The motorman, just -prior` to operatingpthe controller 1190i' the controller 13to Yturn on the electric current,kdepresses the footy lever ory pedall 86. of Athe correspo'ndingfoot valve50.` Immediately,` the valve -disk 64 is l broughtintoposition indicated in .F ig. 4 and the compressed air passes fromy the tank or reservoir 44, through the pipe 45,into 'thel reservoirline or pipe 46, and thence, by means of the pipe 6,7through the register-` ing * ducts 68, 77, 83, 81 and 72, into and through thev piping 75, and thence into .the ends ofthe cylinders 1.01 and 104, so that the pistons 105 and 108 are moved Lforward into .the .positions shown in lsaid Fig. 4.

whereby the doors are positively closed, the previously intaken airin the cylinders102 and 103 beingex'hausted through the-piping 74, the registering . ducts 71, 80, 85,82 and .73, into and from theexhaust pipe 76.

A t-the sametir'nefthe motorman, by voperating and closing the brake valve 48, shuts off the airfjlpressure through the pipes 4) and; 51', thusfremoving .any air pressure againstt-hepiston 25an'd the relay` cylinder "24, whereupon thespring 26'becomesactive, Iand an electrica-l rContact v'1s established 'between the bar or member 27 andthe contacts 21 and23." An uninterruptedelectric circuit -thus being established as soon as the controller 11 or the ccontroller 13 has'fbe'en v,moved tof any operative position.` the car is electrically laropelleihin 'the usualv manner.'

When it is desired'tostop the car, the

`brake valve is opened: so that the conipressed air from the linelot piping 46 will lpassy through' said` valve 48, into the pipe .49 and through 'the registering valves 69,78, 84, 79 and 70 (see Figli!)y into` the trainline actuating the piston in the brake cylinder vor piping 51, and, by means ofthepipe` f s 50 I cordancewith the piping arrangements and operations already described, the 'brakestwill' V (valve by the motorman`,the'tl1ree reverse 52to set ,the'brakesg the v airy pressure, fat the samel time, by'meansof the pipev62, actuating the relay 'piston' 25to break the electrical cir cuit through the bar or member:y 27 and the contacts 21 .and thus shutting yoff V'the electricity tothe propelling or driving mecli- A an'ism` of the car, as Vwill be understood.

The 'car nowi'having been stopped, the mo-v 1 i torman removes vhis foot from the 'ootdever or pedal 86,. where upon the spring moves the pedal into the dotted-line position shown in Fig. 8, and wherebythevalve disk 64 is rotated into theposition indicated in Figl of the drawings.'

The ,compressed air, coming through the reservoir line or pipev y46and the'pipe 67,

passes, through the registeringfducts 68, 77, l

88, 80'and 71,` into the piping 74 and thence into the cylinders 102 and 103,'a`gaii1fst the ypistons 106 and 107, driving -the latter forwardly to actuate the door-operating mech- "anism, thereby moving'thedoors into their,

open positions.' `Simultaneously, thel air contained in the cylinders 101 and 104 is caused,

by the moving pistons 105` and 108, to .be

- exhausted through` theA piping 7 5 andthe revistering ducts 72, 81, 85, 82 and 73 int lease position.

anbdfro'm the exhaust pipe 76. l

VVrhile the car 'isv stopped,` in 'order that the air maynot be shut 'od `from the' brakecylinder 52 andthe relay-cylinder 24, communication between the pipes 46 'and 67 and 51 isa-lso established through the registering` ducts 68, 77, 79 and 7 0, as will be seen from" an inspection of Fig.5 of the drawings-` To again closethe doors and start the car,

the irst above-stated operation of closing the `brake valve 48 and depressing the foot-lever or ,pedal 86, to bring'the valve device 64 once more into the position indicated, is repeated.

Asecond methodv of `operation under the above-assumed conditions is asfoll'ows: The

vcontroller 11 orthe controller 13, as the casev may be, is irst'placed in anloperative yposi- 45 tion. Y Thecorrespondingengineers valve 48 remains or isplaced in its normal'vor re-y Then, by merely depressingy the afoot-valve 50, all three desired operations' may be'- accomplished: The doors will be closed in acbe released vby, exhaust' of `the air pressure from train-line pipe `51 lthroughthe foot- .valve to pipe`49 and thencethrough the engineers valve 48,' while the electriclcircuit will be closed, since pressure will be released from the'pneumaticrelay cylinder 24 through the pipes 51 and 49 also.

Furthermore, upon release of the 'footcontrol operations -are automatically accom 7 'plishedz The electrical circuit is opened by reason ofthe application of ,air pressure to rthe pneumatic relay, theair-brakes are aping to and connected with said cylinder, a

plied inthe usual manner and the doorsare opened, vas previously explained." 7 f f Of course-*we are fully aware that changes may be made 'in4 the general arrangements and combinationsof the various devices and parts, and. especially" inf the' details -ofthe construction of vthe vsaid parts, without'de- 'parting from th'escope of the present inven-` tion asv set forthin'the foregoing specification, and as defined in theclaims which are appended to'thesaid specification.' Hence,

we donot limit our` invention to the exact ar rangements and combinations of thevariousl devices and parts'as'described vin thesaid specification,` nor do we confine ourselves to theexact details ofthe construction of the operatin with said pneumatic system, pri-l marily or maintaining a locked arrangement ofthe car-'door or ldoors whilev the car is running, and secondarily for opening the car-door or doors when thelcar hasstopped.`

2; In combination with an electric'system for operating cars,"or ther like', a make and break means `in said system, a pneumaticnsys-- tem 'for' actuating; said makeV Aand break means, `-a "pneumatically controlled" dooroperating mechanism, and a valve located in said pneumatic system'for directing .the flow of the air in said pneumatic system, primarily for maintaining a locked .arrangement of the car-door or vdoors while the car is running, and secondarily for opening thecardooror doors when the carhas` stopped.

for operating cars, orthe like, .a make and break means 1n saidl system, a pneumatic' j In combination with an electric` system system for actuating r"said make land ybreak means', a Apneumatically controlled `door-op`- erating mechanism, and a foot-operated roi- `tary valve located in said pneumatic system for directing the flow of the air in said pneumatic system, primarily for' maintaining a n locked arrangement of the car-door or doors ,while the car is running, and'secon'darilyfor opening the car-door or doors -when the car has stopped.

for operating cars, or the like, a makev and break meanszin` said system` comprising a cylinder, a spring-controlled piston'within said cylinder, a pneumatic system for` actuating said piston, said pneumatic system comprising an air-compressor .and an airreceiving reservoir, 1a reservoir line connected with said reservoir, a tram-line leadk12o i 4. In combination with an electricl system y control-valve with which said reservoir and ztrain .lines are connectedv` a door-operating 1neclianism,vand lan air-conveying means between said'contrl-valveand tliesad dooroperating mechanism.

5.111 combination withan electric system vfor operating cars, or lthe like, a make and break :means in 'said system comprising zajcylinder, a spring-controlledpiston Within said cylinder, a 'pneumatic system for actuating said piston, said pneumatic system vcomprising .an air-compressor and an airreceivi-ngreseryoina reservoir line cbnnected .with Said reservoir, a train-line leading to foroperating cars, or lthelike, a make'and vbreak means in vsaid system comprising a cylinder,` a spring-controlled pistonpwithin.

.said Cylinder; ay pneumatic system lfor actuating-said piston,l said pneumatic system QQInplisingannif-compressor and an air-.reyceivmg reseryoirg'a reservoir line connected -Withsaidreseryoir, airain-line leading to,-

land ,/QQDIleCted with saidfcylinder, a controlyalyevwith Which said .reservoir and A,tram

lines4 are Connected, `comprising a valve-caslngy a rotary .val-ve disk Within said casing, a L foot lever/ for l'operating sald valve-dlsk, a door-operating mechanism,

Iand an air-conveyingmeans between the casing.; of vsaid control-valve and .the `said door-operating mechanism, said valve diskV lbeing provided With aplurality `of ducts adapted to establish communication with said reservoir and train lines and also with the,.air,conveying means-oi said door-.operating mechanism.

7.3111 combination with 'an electrlcsystem plone ratingcars,-or the` like, a make and .bleak .means in' said` System *comprising .a

cylinder', a; spring-controlled piston' within seidylnderiia pneumatic System for actu- @iillgd .PSOIL 'Sai-,df pneumatic system comprising an air-compressor and .an air ,receivingreseryoin a rservoir line connectedwith said peser-voir, atrain linelea'dingmo, 'andconnected Withjsa'id cylinder, a cpntrol-,Valve with 4which said-reservoir and train-lines are connected, comprisinga .valve casing,arotary valve-disk Within said casing, Va foot.leVerfor..operating Vsaid valvedisk, a door-operatingvmechanism, comprisang; a' lprali-tyof cylinders (arranged. in

#Dama Pistens efi'eash nain et .cylinders 'dificts adapted to establish communication with said 'reservoir and train-lines and` also with the ai'r-conveying` pipes leading from said ycontrol-Valye to the cylinders of said door-operating mechanism.

`8. In'V combination with an electric sustem for operating cars, or the like, a make and lbreak means in'said system comprising a cylinder, a vspring-controlled piston4 Within said cylinder, a pneumatic system for actuating said piston, said pneumatic system. comprising an' air-compressorl and an airreceiving reservoir, a reservoir line connected Withand leading from said reservoir, a 'train-line leading to and connected With said cyli'riderga brake-valve mechanism connected with said reservoir line, an air-conyeying means leading from the said brakevalve mechanism, a control-valve with which said air-conveying means and the said trainline are connected, a door-'operating mechanism, and an air-'conveying meansbetween said control-valve and the saiddoor-operat-l ing mechanism. i

V9. In combination With an electric system for operating cars, or thelike, amake and break means inhsaid system comprising a cylinder, a spring-controlled' piston .Withinloo said cylinder, a pneumatic system for actuating said` piston, saidA pneumatic system comprising an air-compressor and an air- .receiving reservoir', a 'reservoir` line connected with and leading Yfrom 'said reservoir, va 105 Atrain-line leading to and .connected with said ,y cylinder, a brake-valve mechanism connected with said `'res'eryoir line, an air-'conveying meansleading from said brake-valve mechanism, a` control-valve ivith which said airconveying means andlthe said Vtrain-line are connected, a door-operating mechanism, comprising a' plurality of 'cylinders altrangedin pairs, theA pi'stons of each' pair of` cylinders being intercorinectedby a 'single .connecting 115 rod, means actliate'd fromsaidirod for operatingtlie doors offl the caf, andV air-conveying .pipes lea-dingV from .said control-yalve :and vconnected 'ivi-th :the respective cylinders .for actiiatingsaidpistons.`lv L' I l0. 'In-'combination with an .electric system for operating cars,ior .the-like, a make andV break means in said system"comprisingA a cylinder, a spring-'controlled piston Within saidcylinder, aipneumaticy system for actuating s said piston, said pneumatic system comprising an'air-,compressor' and an airreceiving reser'yoir, av reservoir'line" con- Anected withandfleading from said reservoir, .laitlainvline leading .tor-and connected with `said reservoir line, an air-conveying means leading from-said brake-valve mechanism', a

control-valve with which said air-conveying means and the said train-.line are connected,

comprising avalve-casing,',a, rotary. valve-vr disk ivithin'said casing, a foot leverior operating sa1d-valve-d1sk, a "door-operating 4mechanism,'andan air-conveying means betweenv said control-valve and the said door operating mechanism, said valve-disk being provided `with a `plurality ofducts adapted to establish communication withy the air-V conveying means leading from Asaid ybrake- -valve mechanism and Withfsaid vtrain-line,

and also` with the air-conveyingmeans of aV ytrain-line leading to and connected With` vsaid cylinder, a brake-valve mechanism connected with said lreservoir line, an air-conl veying means leadingfrom 'the said brakevalve mechanism, av control-valve With which said airiconveying means 'andthe said'tramline are connected, comprising a valve casing, a rotary `valve disk lWithin'said cing, a foot lever for operating said valve disk, ai* dooroperating mechanism, comprising a `plurality of cylinders arranged in pairs,`the `pistons of each pair of cylinders being interconnected by a single connectingI rod,

means actuated from said rods vfor operating the doors of the car, and air-conve'ylngpipes f leading from said` control-valvev and: connected with the respective CylindersOr actuatingsaid pistons, said valve-disk being vprovided Witha Vplnrality of ducts` adapted to establish communication Withthe `air-conveying means leading from said brake-valve v-mechanism, `and with said train-line, and

V:sus

also with the air-conveying pipes leading from said control-valveV to the cylinders'of the door-'operating mechanism'l v12. In combination with ythe air-e brake control of a car, a doort-operatingmechanism, a'ootoperatedccontrol valve comprising a part of and connected'with `said air-l brake fcontrol.; a door-operating mechanism,

Aand an` air-conveying'meansrbetween vsaid lcontrol-valveA and said door-operatlng mechanism"'for`actuating the same i v y 13. In combination With thev air-brake control 'of a:car, adoor-operating mecha-Y fnism, a `valve-casing, a rotary valve-disk- Within saidl casing, a foot-lever for ioperatlng'said valve disk,` al doorloperating mech- .I amsm, and means between lthe casing 0f Said control-valve and thesaid doonoperating mechanism for actuating the same.

14. In combination With the air-brake control of a car, a door-operating mecha- 1 rnism,f.a valve-casing, a rotary valve-disk Within` said casing, afoot-lever for operating said valve-disk, a door-operating mechanism, comprising a pluralitydof cylinders .arranged in pairs, the pistons of each pair of cylinders being interconnected by a sin-` gie-connecting rod, means actuated' drom said rods for` operating the doors of the car, .and air-conveying pipes rleading from said control-valve and'connected Withtheresped `tive cylinders `for* actuating the pistonso said. cylinders. y 15. In a vehicle, the combination with `a dynamo-electric machine, a car brake and a car door, of'foot-operated means forfp'neumatically f governing the operations ofsaid `machine, brake` and door.

16.'y In avehicle, the combination With a dynamo-electric machine, a car brake `and a car door, 'of foot-operated nmeansfor dif*- rectly controlling said brake. .and said door and indirectly controlling said machine,

17.` In a vehicle,`the combination With a ydynamo-electric machine, a carbrake and a cardoor, of footeop'erated means for pneumaticallycontrolling said brake and `said door directly and a relay device governed by said `means for controlling said machine. 18.In a'vehicle, the combination with a dynamo-electric machine,'a carv brake and' y a car door,eof foot-'operated means forl pneumatically controlling said brake and said door directly anda relay device pneumatically governed by said ling said machine. i

19. In a vehicle, the combination with a *dynamo-electric machine, a car brake' and a car door, of foot-operated means for pneumatically controlling said brake andfsaid means for controlrdoor directly, a remote-control'circuit for said machine and a relay device governed by said means for opening and closing said circuit.

20. In a Vehiclathe combinationivitli a dynamo-electricA machine,4 acar brake Aand door' directly, a remote-control circuit 'for sald machinev and al relay device pneumatia car door, of'foot-ope-ratedmeansifor pneufmatica'lly controlling said brake and said cally .governed bysaid means foropening and "closing .said circuit.'

21. `In a` vehicle, the combination lvvith a dynamo-electric machine, a` car brake and a car door, of foot-operated means'or pneu- Amatically governing the operations of said mach'ine, brake: and'door, said'me'a'ns being" 'biasedv to eect opening of the machine "cir `cuitand of said doorfand setting of fsa-id .-brakan fr i 22,.' In a vehicle,"theA combination vvi'tli'a dynain'c1-electric machine, a oar 'brake and* "y eei'rneasifer peamgfmd felds'iegeaid Pfeifen-it, #gaie-amalis bei-'ng :biased toward e dyn 'e'fmean's-ffor pneumatilay device f "nearly actuated position and pneumatcally released by said manual means for rendering: said ':entroller operative.

l30. ln a \"elii(tfle. the em'nliinatien with a flymnno-efl(Petriefina-chine and a ea;- (Ioor, of frneale for selectively effecting the operaM tion 'ol2 Said -rloo'r alone or elt beth eaiil. fln'aehine :15nd 'Said door.

3l, In a Vehicle. the romliination with a ical-"brake and a ear door, of meansl 'for eeledtivelyeleeiting -tlie operation ol Said door "alone orolj both said brake and. Said. (loer,

332.111 'a vehicle, the combination witl'i a (ilynamo-'electric machine and a ear (loon fof 'leeteoperate'd 'means for selectively e'evt- 'ingfth'e 'operation et' Said door alone or ol.

lotli-Saicl machine and said door.

33, 'In avenida-the combination with a "earleft-"alie, and av car door, oilf 'foot-operated means for selectively effectingP the operatien Yfofeai'd *Cloer alone er ot beth-said brake-and eacl fde'o'r.

321. i[n a 'vehieleq the combination with a dynamo-electricmachine and a ear 'cleo-rv` 01 lffnieans for '.pneu'matieally 'and selectively effeetng the Operation of said door alone 11er' lof' beth lsaid machinea'n'cl 'said Cloer.

SNIn-a Vehicle, the Combination with a lie-'and' a. car doorF of unitary means Afor:'pneu'Ina-t'eally and selectively effecting fthe-operation of Said door alone or of botl'i said brake and Said door.

ayehiele, the combination Witl'i a fdynainoeleetric' machine and a Carclo'er, of

`vCloer:'afl'ene er of bo'tlrsai'cl machine and said door.

#37. Ina vehicle, the combination with a fearbralieancl a ear doorqv vof a foetwalve locaftedon ear platform for selectively effecting); theoperation of sadcl oor=alone or lietlr's'a'id -bra'ke and 'said door.

38. In a vel1^ielev the combination with a fof lfunitaliy means vfor seleetiyely the operation of -ealfl Cloeralone 'a1d-'inacl1rne4-sa1dbrake and nl door 39, In a vehicle theeembinaten with a eiel'ee enaael1`1ne,a fear brake and 0o of "ot-'opera il `lrifleane ferfsele@ vly f" ng the operation of .ealcl door lene-` "'r of said' 'lnaeliiney lsaid brake and feari'dlardoer concurrently 4 0. vI'n a Vehicle-the eo'inlnineltion with a dynanleel'eetrle fnaehine, a ear brake and.

'eally'and 'selectively e-flleeting 'the operation of:said-(loolf'alone 'or 0I' Said machin@ Haifl "brake-'Fand' 'saicl door concurrently.

4:1. In a Vehicle, ftlie combination Witha dynamo-electric. machine, a Car brake and a ear-'fdoor-,0f 'a foo-t-valvelocatecl on .a ear platform for selectively eifeeting the operation of said floor alone or ol" said machil'lc, said braio* and snif! door commiirently.

42,-. in a Vehicle, the combination with a, lynnmo-clect|c -inachine and a car door, of unitary means for selectively effecting' the operation ot said door alone or the concur rent opening); of the machine circuit and the door.

423. in a vehiizle, the combination 'with a car brake and a ar door, of single means tor selectively effecting; the operation of said door alone or the concurrent application of said brake and opening of said door.

44. In a rchicle, the coml'iination with a dynamdelectric machine and a car door, of footaiperatcd n'ieans for selectively effecting the operation of said door alone or the concurrent opening of the machine circuit and the door. y

45. In a vehicle, the combination with a car brake, and a car door, of Jfoot-operated means for selectively effecting the operation of said door alone or the concurrent application of said brake and opening of said door.

46. In a vehicle, the combination With a dynamo-electric machine and a cardoor, of means for pneumatically and selectively ef footing; the operation of said door alone or the concurrent opening of the machine circuit and of the door,

47. In a vehicle, the combination With a car brake and a car door, of means for pneumatically and selectively effecting the operation of said door alone or 'the concurrent application of' said brake and opening ofv said door.

48. ln a vehiclej the combination With a ilynamo-electric machine and a car door, of' a foot-valve located on a car platform for selectively effecting the operation of said door alone or the concurrent opening of the machine circuit and said door.

49. In a vehicle, the combination With a car brake and a car door, of a foot-valve located on a car platform for selectively effecting the operation of said door alone or the concurrent application of said brake and opening of said door.

50. In a vehicle, the combination With a. dynamo-electric machinej a car brake and4 a car doore of means for selectively effectings the operation of said door alone or of concurrently opening the machine circuit and said door and applying said brake.

In a vehicle.y the combination with a dynamo-electric machine, a car brake and a car door, of foot-operated means for selec-. tively effecting the operation of-said door alone or of concurrently opening the machine circuit and said door and applying said brake.

52. In a vehicle, the combination With a1 flyinanielectric machine7 a cai' brake and a ear door= of means. for pncumatically and seiectively effecting; the operation oi said door alone or the concurrent opening; of the machine irc-nit and said door and the application of said brake.

53. ln a, vehicle., the combination with a .lynamo-elcctric niiachino, `ac'ar bra-Lire and a. car door, of a 'l'oo'fvalve located on a car platform for selectively effectingA the operation of said door alone or concurrently opening;` the ina-chine circuit and said door and applying` said brake. Y

54. in a vehicle.J the combination with a dynamo-electric machine and. a car door, of toot-valve located on a car platform for selectively effecting;` the operation of said door alone and of both said machine and said door, said valve 'being 4biasedto effect the latter operation.

55. In a vehicle, the combination With a car brake and avcar door, of a foot-valve located on a car platform for selectivelyr effooting the opera-tion of said door alone and of both said brake and said door, said valve being biased to effect the latter operation.

56.111 a vehicle, the combinationwith a dynamoelectric machine, a' car brake and a car door, of a foot-valve located on a car vplatform for selectively effecting theoperation of said door alone and of said machine, saidbrake and said door concurrfantljgv said valvebeing bia-sed to effect; the latter operation.

57. ln a vehicle, the combination With a dynamo-electric machine. .and a car door, of a foot-valve located on a car platform for selectively effecting the operation of said door alone and the concurrent opening vof the machine circuit and said door, said valve being biased to eiectthe latter Ioper'- ation. v

58. In a v'vehicleythecombination with a car brakeand a car door, oa foot-valve located on a car platform for selectively effooting the operation of said door alone and the concurrent application ofA saidA bra-ke and opening,1 of said door, said valve being biased toeff'ect the latteroperation.v4

59. In a vehiclea the combination With a dynamo-electric machine, a car brake and a ear door. of a footvalve located on a car platforinfor selectively effecting the .operH ation of lsaid door alone and concurrently opening the machine circuit and said door and applying said brake, said valve being biased t@ effect the latter operation.

In testimony whereof, We have hereunto subscribed our names this 23rd day of 0c tober, 1921..

nnnsnnt A. BENEDICT. EDvAnn. M. MOLLER.

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