US947793A - Door-operating device for cars. - Google Patents

Description

A. GHRISTIANSON.

DOOR OPERATING DEVICE FOR CARS.

APPLICATION FILED 0013.1, 1909.

Patented Feb. 1,1910.

3 SHEETS-SHEET 2.

0m Mm N UE INVENTOR.

WITN ESSES.

A. CHRISTIANSON. DOOR OPERATING DEVICE'FOE CARS. APPLICATION NLRB 001:. 1, 1909. 947,793. Patented Feb. 1,1910.

, a sums-sum a.

I FIGII 3 mvslwomy WITNESSES.

ating mecha-Hism;, 1nay be applied'to any suit;

i able oonstructiomofcer. In the form? ofcar illustrated, the doors 7? extend longitudinally oft-he car, and open downwardly, Isa-id doors e To all zohom it concern:

son, n-reside nt of Butler, in the. county of ;,at the same. time so supporhtthe doors that is ajlongitugline lw section of a car with my 30 plan 'view, partly-broken away to show the e0,nneetinifi up v the car andthechamilO \ifut the opposite side.

tom or other csrs in which there are dowrn ewardly opening doors, its object being to ":lieved when the doors are-closed,

ginerztlly I; stated, a downwardlyswinging car-door, a fluid operated cylinder; flexible connectionsieu locking member carried by sa d flexible connections, and meansfor] rethe sides 2 and end floor plates 3, the hopper UNITE s rle ihs esteem uterine eunnnw onms 'rmxtson, or BUTLER: rniii ise'iivnmn, Assien'on- To s ren-men scene-L CAR COMPANY-,0]? mr'rseoiee, PEQINEEYLVANIAQ n ooneonnnion' on run-u- S'YLVANIAM i i i 'noonioe iemrmevnnwo nmflgg Syieeification iif .httei' s Patent. 5ummmme min m; s g iiu o leiea amen, isoel s riai nq.seems; v

employed the seine reference nuinersls for Be 1t knownfthat 1, ANDREW the duplicate parts. The chains}? and pass over sheaves or drums I2 and 13 the sheaves 12 being mounted. in the sills 5, and

ci-mls'rigix- Butler gand State of Pennsylvania, hate in vented-e new and useful Improvement in Door-OperatingQDevioes for- Cars; and I do hereby declare the following to be vn full, clear, and exact descriptiohthereof. My inyention relates to car-door operat- 1ng.mechanism.'. f i .v A

The object of invent-ion is to protide a? door operating mechanism for hoppet-bot- 14; The cover-plate l5 provided with the opening lfythrough which the chaius vq and .10 pass to the points where 'theylnre connected to the doors.

Connected to the chains 9 and lOlis the locking-member 17 which may be composed of the casting 18 having the lugs 19 to re} ceive the ends of the chains 9 and 10,411ldgh0 which said chains are secured The locking rriembsrlS is provided with the truunions 20 which areedapted to engagesbutments or shoulders 2101 the'brackets. 2'22, which are bolted or otherwise seeured to-thecover plate 23 on the sills The bracketsQQ extend to apoint udjaeent to the sheave 13 "and the upper edges ot sai d brackets formv sup? port or guide-for the trunnions 2Q=when the locking-member 18 isreleased andsiiid looking-member is drawn toward the. 'sheeye 13 when the door is open. The chain 24: is'eonnected to'the"locking-member 183ml suid chainpasses around the ShQaYB 25 21nd is se cured at its opposite endto, the supportgfi bolted to the cover-plate 23. ,The sheave is mounted in the clevis-end 27. of the 'iiston rod 28. The flanges '29 of the sheaves 25 are adapted to engage the hubpoTtionsBO ofthe casting 18 otthe looking-member for t, v the purpose of releasing said look ingunenilibel-ve illustrat ed' lny invention in connecher as fully hereinafter set forth. The pis tiomwithla hopper-bottom car composed of l tronrod 28 has the piston 31 whichmoves ui the cylinder 32 which is supported nnny suitable manner or as illustratecl,'.upon the si1 ls,;5 Pipes 33 and 34; lead to opposite ends o f the cylinderSQ illldfiillgtPlPfBS are carried; :arpuiid to the side of the 1 31; where th y-em qene dun to t t m d 3%, conneetionsj fronrpipes 35 and 3'6 b e ng nade te ouw 1 nd motive fluid ,will. heve an equal distance to travel in passin tofit h e cylindersfgi at the provide for the quick and efiicient operation of the doors withoutany-lnanual labor, and,

the; strain on the operat-ingeinechanisn is rez f vo these ends my inventionfcoinprises,

leasing-5nd securing said locking member by, ,the'grm'oyement of thes pistoni A said cyllmthelaccompen n rawingsf Figure 1 invention applied, thereto; Fig. Q is a like isan enlarged detail plan View.

plates L-thelsillsfi and the bolsters 6. These 1 features, however-,1 form no part of my pres; entginv-ntlon, and my nnproiied .door $019. 1

being'engaged at- 8 tosthe car-body. .These doors; are braced and strengthen ed by-press: ing 11bS;tllI80 Il and in other ays, as ma y opposite ends qof the oar," and providing for ne t p t e-the sim y-@1 9 endsnofithe llooi ie pee i guvmzts are duplicated at ea 11 end not: the car I have the sheaves 13'beinginounted in the struts s "prmr e wb eh s W vTportion ofthe cehsothht the 1 rods 28 are advanced and at the same time,

the sheaves 25. The movement of the sheayes with their flanges moving in contact w th Just as soon as the locking-members have been raised suflieientl to free the trunnioned.

'portionsQO, the weig t of the lading bearing against the doors of-the car will draw the sheave 25, andthe pistons, the doors dropping tothe position indicated in dotted lines,

ig. 3. The onlypower requiredto operate the device is that required to move the sheave 25sufliciently to release the locking-member when the weight of the lading supplies the necessary wer to open the doors to the full extent. ll lien it is desired to close the doors, the valve 37 is operated so 'as to admit the fluid to the front end ofthe cylinder 32 through the pipe 34, the exhaust taking place through the pipe 33.- The return movement of the pistonwill act to draw up .the 'doors to their closed position, and their-locking-member .will be moved back into position so .that its trunnioned' portion 20 engages the shoulder 21 and just'as soon as that takes lace, the weight of the doors, together with-the lading is carried by the locking member and the strain of supporting the doors in no way falls on the cy inder'32, so that no motive fluid is required to'hold the doors in their closed It is obvious that many changes may be made in the parts of my invention which will not aflect its broad scope, and I wish to include any such changes or modifications which are-clearly within the broad scope of the claims. 7

'What I claim as inyinvention is:

' 1. In a car-door operat-in mechanism, the combination of a swinging oor, a fluid operated cylinder, flexible. connections between said door and cylinder, a lockin member carried by said flexible connections, and

means for releasin said locking-member bythe movement of the piston of said c linder.

2. In a car-door operatin meohan1sm,th'e combination of a swinging foor, a fluid operated cylinder,

. porting the entire weight of the doors, and

said locking-member by means for'releasinfi e piston of said cylinder.

the movement of t 3. In a car-door operatin mechanism, the

flexible connections between said docs, and cylinder, a locking-member carried bIv said flexible connections and sup:

ated cylinder, said door and cylinder, a locking-member member-1b the sa d c hn er. 1

4. n a car-door operatin mechanism, the

movementof the piston of combination of a swinging oor a fluid operated cylinder flexible connect-ions between said door an cylinder, a trunnioned locking-member carried by said flexible connections, an abutment with'which said lockingmember engages, and means for releasing 'saidI-ilocking-meniber by the piston of said cylinder.

locking-member iorward, together with the 5. In a car-door operatin mechanism, the

combination of a swinging oor flexible-con IIGCtIOIIS between said-door an locking-member carried by said flexible connections, a movable sheave, and means for- -releasing said locking-member by-the movement of said sheave. v

6., In a car-door operati -mechanism, the

, combination of a swinging oor, flexible concylinder, :1

nections between said door and cylinder, a

'loeking member carried by said flexibleconnections, a movable sheave, said 'lockingmember being in the path of movement of a said sheave.

7. In a car-door operat-m mechanism, the combination of a swinging oor, flexible connections between said door and cylinder, a

locking-member carried by said flexible connections, a movable sheave, means for mov ing sheave, and means forreleasin V locking-member by the movement 0 said sheave. I i i 8. In a car-door operating combination of a swingingoor flexible connections between said door an cylinder, a locking-member carried by said flexible. consaid mechanism, the

nections, a movable sheave, means formow ing said sheave, said lockin -member beingflo'g 1 en a ed, by flan of said said Iocking-mefiben.

I .9. Ina car-door'o mechanism, the combination of'a plurality o -swinging doors, a fluid operated cylinder, a locking-member, fl xible connections leading from opposite doors to said locking-member, a sheave, 'flexible connections from the other side of said locking-member, passing 'around said sheave, connected to a rinanent support, connections between said sheave and piston of said cylinder, and means-for releasing said locking-member by the movement of said sheave; 10. In" a car-door operating mechanism, the, combination of a swinging doora fluid eaveto release operated cylinder, flexible connections between saidv door and cylinder, ,a lockingmember .carried by said flexible connections,

a movable sheave, connections between said sheave and piston of said cylinder, and means for releasing said locking-member by t-he'movementof said'sheave."

11. In a car-door operating mechanism, the:

flexible connections between said sheave.

'eaayrea carried by said flexible connections, a momable sheave, connections between said sheave and piston of said cylinder, said lockingmember being in the path of movement of 12. In a car door operating mechanism, the combination of a swinging door, flexible connections between said door and cylinder, a iocking-meinber carried by said flexible connections, trunnions on said locking 11181111 her, a support having an abutment with which said trunnions engage, and guides on said support with which said trunnions engage when said locking-member is released.

13..In a car-door operating mechanism,

engaging the upper edges oi said support when said locking-member 1s released.

In testimony whereof, I the said ANDREW GHRISTIANSON have hereunto set my hand.

ANDREV CHRISTIANSON. Vitnesses ROBERT C. TOTTEIII, J. F. WVILL.

which said trunnions engage, said trunnions

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