US1772651A - Device for automatically closing the air release or bleeder cocks of air brakes - Google Patents

Description

Aug. 12, 1930. R. B. WHEELER L DEVICE FOR AUTOMATICALLY CLOSING THE AIR RELEASE OR BLEEDER cocKs OF AIR BRAKES Filed June 17, 1929 gmmkw 12$.Wheeler Q/ 21/. I? draw.

e 25 is to' provide an improveddevice ofthisclass i cylinder '10 provided jwith ,the usual.- pijston Patented Aug; 12 L einstat ng; '7

'This inventionrea es'totheair'brake systh lever l 2 hichis kno virfi as theflflozitin" 't fu g'l on raihqadbars and hasspecial fl'vervfin a'fbralie'sy's ni','certain"'lei ersreferenc'e to an automatic clamp :and release: "links an otherFpa rts eing used to conn ct for the release valve operating. rodof the, lthishverw the b'riakejbeamsf Sfich'parts usual brake cylinder. r shbwms-phey form no art af 65- In the construction of air brake apparatus. their 1 mean ime nseam"samem a it is common to employ-beneath each "cane Qs'onEth nteriors looiistruction*ofthe'cylindera v a brake cylinder which is charged 'w ithairfun isYIiot manganese:skined' i iiith? der pressure to hold the brakes in set position. art understandthat ther is the ciylirfa Attimes in the operation of cars and trains ,uer alI pistonnrhich carri'esthe plunger 00s it is desirable to release the brakes of spar-f: and-that the plunger is here showninitsproticular car and to this end .the'biajke cylinder ignitedorfv brake setting "position; the eyhnder isprovided with'a release valve ,or bleeder thefpi'ston being full'offairf under which is opened by draivvingout on" avalve ;-pressureat-this line. ""Alsoj'thecylinder' is '15 operating rod Whi'chrunsunder the can to ;protiidedfiiththeigusual fbleedeit or release 65 the side thereof. Asbrdihariljconstructed, jovial?" "is openedlfronfeithersidebf it is necessary for the brakeman 01-yard hand j "theiciar filling outwa dly uponfth'eivalve to hold this rod outf ntilthe' cylinder has operating f'14j3extendingto thatxsideffoff been bledvand the brakes set. f f1 1'a thecarandthusactuatin "t er'espeeu-vebell '20 One important objectof the inventionisto; nkfl5-to open the val f lo i provide an automatic"device,' ofi1nproved "i f thefaboye "parts'fare ld and well constructioni for ho'l'dingithe frod infits"out ifknownfand arehreshow fthe-puiposeo'f wardly pulled orrelease position. J, i; illustration in thea'pplica onfofj the parts i A second important object of theinventionj "f' Qil i verition. a f K I p g s menu annual-a1,membersof wherein, upon the completion ofthefbleed: *a car on which irsts reyiinderv 10 and j ing of the cylinder,- thef rod willbe set so clampedfto extendin up i p I f om this a that the release valve i niayj; 10sq;rea y:or be'r'onoppositesidesojone oflthe valve opthe next time'the cylinder is {charged with} geraua i'bils ll are therod clainpsll and 18, air to release the brakes ft lfoiinerbeing preferablj terinedthe fixed i r i With the above and 'otherobjectsyin view, awof thexclainfp'andfl the latter the moi'ab'le. s I Y as will be hereinafter apparent,theinyention JaLW t-hereof, A boltl9?pa sses]throughthese 'consistsin generaloficertain' noyel-detailstof-i'aiysfust A g construction and combination'sofparts;;:here fo thlsf oltlisfla@coiledgcompression-spring}? v p i ina ft or fully describedfillustrated theao hy -ifmeanso f which thenpper endsof thefiifi 1 1 J 7 companyingz drawings andspecifically emu-sauna 18' are forced"together[and' I claimed. I 1 caused-toclamp the rod 14, the pressure-e116: r p In the accompan ing diawi lgselike char? firted by th springpain fl-suflioient'to hold, actersgof referenceindicate' likelpartslin the thfl odj ihfpbsi idntdrtam the reileasevalve a *40' several'views,and-;f j pqsi b mf t pd'h i d wnwg, =Figu1'e'1 is a Side elevation:of astandard f d "bythe" ifakeniianbfltwill bei-notdj f} I form of, brake" cylinderequippedlwithlthe 'bjelw atheroa mandeapnean Figure 2 is a planfview thereof. a I

" Figure 3 isa sectionfon the liney3I-J3 of" v, I p M In theembodimentof thei in vention here- -'*thifs ibracketiiextends a{trip rodi'or opushf in shown thereis disclosedlanordinary brake rod122fwhichi passesthrougha guide'bracket 1 i itably 'secured on'the cylinde ltwill bei H 'tejd thjat, with?"the l plung'er p 0 u'ded and} 1 a gd or plunger- 1 1; Thisirod is r o y 2. e c hjnation w th ar brekecylinder, 1 p 1 V I: p

t P r! a d. w-b er elr b m ne amide .T :e p ieg P e ined; .oiw e 'e sp n "stun the brakes set, the rod terminates in spaced relation to the member 18 and is in alinement therewith. 1 V V The action of the device may now be readily understood. Suppose that it is desired to release the air from the cylinder and thus release the Inches of the car. The hrakeman pulls out on the rod 14. and lets go of it. hrough the action of the clamp 'aws the rod will beheld in its outwardly pulled position. a In this position of the rod the release valye is open and the cylinder will be'bl dof the a compressed air therein. As the cylinder is bled the plunger will move inwardly'and this action Wlll continue until'the triprod22 enggges againstthe inner face of the toppazrt of t e me'inber l8 whereupon it will push this release the rod 14 so that the bleeder valve for naming with air.

so arranged I leasedbythetime the radi action ofthe clampiaws;

, p re eficient device oi kind described and for txe r s p f It is obvious that g p 7 made i the form and construction, ofthe' in- .3? princ esrnvolvedi .toin ude n. 7v V which may come within the scope'flaimed.

" 'Ha vmg th It is mereiom desired is clamied'as new is; 1

f lam Q re s: .12 w re P said rod'to g] ted sm es M -99m s d li n im m m n the lungert'o brakereleasing position, H

jBjWS one o which is movable relativeto the a nut 'thre will now close and thecylinder thusbe ready Obvious y-thw I that thefbralteswillhe rereleasedfroin thus been provided a simple and 4 l withoutdeputing from-the material 3t theinyention all these forms s7 de P ibd ieliw-lw i i et Y 1, The wmbinntion w th a lirlal'geoyliiider, ,M

and its hleeder -valve opereting f other jaw upon movement of the plunger to. brake releasing position.

4. The combination with a brake cylinder, its plunger and its 'bleeder valve operatin rod; of a pair of clamping jaws gripping sai 7o rod to ho d the same in ad'usted osition, a beaded s 'ngrod p t on mm with its end resting against one jaw'and its body projecting beyond the other jaw, a spring surrounding said spring rod and bear-- ing at one end a ainst the ast mentioned jaw,

aided on said rod and against the remaining end of the spring, an means" carried by the plunger to engage and open said jaws upon movement of the plunger to brakesetting position.

A 1 a RAY B. WHEELER.

wALTER P. QRITES;

minor: changes be a1 it old the jsa n etinad ns H ,posil l a man, and means carried by the plunger to J otherandwhichnormally grip thesaid rod v V on up site sides thereof,ran d meanscarriei'l by saidplunger to engaqe the Inovak'rflejaw M and force it eway from the othertjawqupon v I c qibr k r hes n ,gl noy'e nsent of the plunger i 3 Thecombination with a bralse cylinder,

fits plunger and its bleeder,

t s d c amp 10 max mum t e time o wh hl is new etopem n I no mm lmlwllifih n rmallygrigithe we e I ;j

to sides thereof, and ajhracket pe a clampedto the outer end of the plunger, and

ultimo to the saidujewa'way' Mi carried by id bracket A exiteudi 1 7 1 mmudlmithe ilg 'x rd'a and in t F 1 'fi'omthe said jaw and: .7

m the

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