US849556A - Draft-rigging. - Google Patents

Description

PATENTED APB.. 9, 1907.

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JMW.;

c. J. NASH.

DRAFT RIGGING. v APPLICATION FILED DBO.17.1906.'

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' CHARLES J. NASH, OF4 CHICAGO,ILLINOIS'ASSIGNOR TO W. MINER COM- l IPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.

' DRAFT-elefante.

' draft-ri glng for railway-cars. to The o ject ofy my inventionis to provide a l 'f draft-rig' 'ng of asimple, strong, eilicient,

and dura le construction which will be cornpact in form, which may be made of any desired .tensionor cushioning power without x5 materially increasing the space occupiedby the springs or cushlonng devices, in which v neitherV the springs norvthe coperating parts -willbe liable to injuryor brea rage, however 'great "may be the blows or strains to which z o the saine are subjected, in which all the arts may be easily and conveniently assern led, an in which the draft-rigging may be readily and conveniently removed `from and applied to cars as occasion requires. y 2 5 .My invention conslsts in the means I employ to practically accomplish this object or Specification of Letters Patent. Application iled December 17, 1908.

'M invention relates to improvements in.

result-that is to say,it consists, in connecf' tion with' the draw-bar, dran/bar yoke or. 'strap, and the draft-rigging side plates or 3o stops secured to the center sills or car-framework, of a plurality of sets of straight flat,

' springs and-a plurality of alternating convex and concave bearing-blocksfor the springs interposed between the dill'erent sets of straight 35 flat spring-plates, the concave blocks-bearing against the en'ds of the springs and the con! /vexv blocks against the middle portions theref of, and the front and rear bearing-blocks cngaging the draw-bar or its yoke and the draft- 4o rigging stops-the saine as ordinary followers,

thealternating convex and concave bearingblocks and the springs being embraced or extending through the draw-bar strap or yoke and fitting and nesting within a movable box 4 5 or case which holds the several parts properly nested or assembled together and which re,- ciproc'ates within the pockets. of the side or stopplates. and is supported .by the bottom guides or tie-plate of the draft-rigging.

In the accompanying drawings, formin a part-of this specification, Figure 1 isa side e e- I vtion,partlyin vertical longitudinal section,

Dile-,tiraft-rilgging embodying my i vention. Orllzontal section on li e. 2 2 of l Fig.

Patented April e, 1907.

Serial No. 348,105-

1, but showing the draw-bar inplan. '5.5i Fig. 3 is a cross-section on line 3 3 of Fig. 1x

'F ig. 4 is a detail perspective view of one of the end bearing-blocks orfollowers. Fig. 5 is a I perspective view of the .middle concave bear- 1ng-block, and Fig. 6 is a perspective v1eW of 60 one of the convex bearing-blocks for the flat springs.

In the drawings, A A represent the framepieces of thecar to which the draft-rigging 1s applied, the'sanie being in the example l'ep- 6 5 resented in the drawings metal center sills',` B B, the side or stop plates secured thereto and having front and rear stops b' b; C, the draw bar; C', thedraw bar yoke secured thereto by rivets'c, and B B the removable 70 bottom guides or plates secured to the side plates-13% by short bolts b2.-

D D are sets ofstraight ilat springs, thel sets being of anydesircd or required number and the springs d of each set iitting flat 7 5 togetherand being of'any desired or required/number. As illustrated in the drawe ings, I have shown four sets of springs,A each composed of six straight flat vspring-plates nesting together and extending transversely 80 of the draw-bar and through the draw-'bar yoke or strap. Y y

F, F', and F2 are alternating concave- .faced and convex-faced bearing-blocks enposed between adjacent sets andinovable' therewith and with tho draw-bar, the front and rearbloclis F l" each having a single curved spring-engaging inccf, preferably concavely curved, and a straight or lllat fac-ej" to en- 90 gage at its ends thc stationary stops orshoulders b b ci the side plates D and at its middle Vportion the draw-bar or' thaw-bar yoke and the remaining blocks F F2 `each ,having two curved sn'infr-.en ravinff" faces 95 F* h i b b l.

those, f2, on the blocks lf" being concave and those, f 3, on the blocks F being convex. The convex faced sprl-ng bearing or engaging blocks F2 altcrnate'with the concave-faced blocks F li", and the bearing-blocks F F F2 IOC alternate with the sets of llatl springs D D D D, so that all the sets of springsrare sim'ultan'eouslyI iiexed under both pulling andl bufling strains. v

G is a movable case or shell incl'osing and 105 confining the alternating nesting sets of I springs and curved-face bearing-blocl s and to which the front and rear bearing-blocks or followers F F are niovs'b'ly, secured by connecting-rods g, fitting in holes in sind secured to the tese G and extending through slots f* in the front and rear bearing-blocks F,- so that this inelosing case may move in respeet to. the rear follower when that is held ,stationary in builingq-by `engagenieni with the rear stops b anftj vso that it may move in respect to the ront'ollower or bearing-block F when that is held stationary by engagement with the front stops l).

The box or oase reciproentes upon and is supported by the movablev guides or bottom plates B and fits beween the same and: the upper guide-flanges istil-the side plates` or stop-castings B. The front and rearbear ing-blocks or followers F se furnished with .shoulders or lprojecting lips f5, whieli abut against the ends of the movable or reciprocating cese lGsoitha.t thel case G, interposed between the front and rear vblocks F F, may also serve to limit the compression. ot the springs, and -thus aid in preventing the s rings from receiving smv permanent set or exure. The abutment .of the` front and rearbloeks or followersiI1 F against the interposed sliding boxer caseGr also serves to relieve the connecting-rods q from strain. The front and Arear blocks F F are made sul;

liciently thick in relation to their extent of movement with the draw-bar to. prevent disengagement from the case or box G when the parte are assembled.

Theinterniediate. bearing-blocks F F1 to make the saine lighter sre preferably `lur-v -nished with :i series ot ribs j, the edges of which have the required concave and convex shapes.

l claimwith the draw-ber, drew-bn:` yoke uid side plates or stop-castings liavingvlront and rear stops,l of n plurality ol' valternating sets ol' straight flat springs and curve-faced bearingblocls, the bearing bloeks having alternately convex and concave laces engaging the springs, the l'ronl and rear blocks :ir-ting as followers und engaging the stops find'drowbar, and :1 box or easeiiiclosing sind bearing! blocks and springs, substantially :is speelied.

2, In :i drzil't rigging, the i'oinbiifiation with thc drow-bnr, (li-:i N-yolw :ind side pluies `or stop-caslings having. l'i'ont :ind rear stops, of a plurality ol' :iltei'niiting sels ol straight flat springs und clii've-lzn'ed bearing-blocks, the bearing-Monks lniving alleriiiitelpv convex and concave l'ziees engaging the springs, the

front and. rein' blocks :ii-ting as Followers and i 'eng-aging the. stops sind draw-bnr, a' .box oi' -case inelosii'ig sind beiiiiiig-bloeks :ind sprii-igs, and the front Vrind rear bein'iing-bloel-:s being rnovably connected withsiiid inolosiiig bex 'or ease, substsntiellg,Y as speeiieil.

ifln e draft-rigging, the combination erases 3. 'in a drat-riggingftlie eonilfistion with rthe drew-ber, draw-bar yoken 'and siffle 65 plates er stop-castings lie-ving front and rear stops, of a plurality oi alternating sets ol' straigiitiiat springs and Curve-faced bearinffblocks, the bearing-blocks having alternatelv convex end concave feces engaging the 7o springs, the front and rear blocks acting as followers and engegirig the stops and drawber, a box or ease inelosing said bearingblocks sndn'springs, the front and rear bearing-blocks being mevsbly connected withl 7 5 seid inelosing box or ease, and intermediate bearing-blocks having a series of ribs, substontially as specified. v

4. ln s, driift-rigfring, the combination with`the stops and sets of straight fiat springs, and convex-faced and concave-laced bearing-blocks interposed between the sets of springs, the convex-faced bearing-blocks alternating with the concavefaeed bearing-blocks, s movable esse inelosing said bearing-blocks and springs, sind n lbottoni guide supporting sind movable case,

substantially as speeitied.

5. ln n draft-rigging, the combination lwith the stops and draw-bar, o'lC a series ol" 9o of straight Het springs, and convex-laced sind coneeved-lace bearing-blocks interposed between the sets of springs, the convex-laced bearing-blocks alternating with the concavefaced .bearing-blocks, and the front and rear 9 5 bearing-blocks having fletonter feces for engagement with the stops and draw-bnr, e movable cose inelosing seid l'ieering-bloeks and springs, and :i removable bot-tom guido supporting said movable cose, substantiallyY rot speeilied. G. In a (irait-rigging, the combination with the stops and draw-bar, of a series ol sets ol straight llat springs, and convex-faced" and c()neovo-laced bearing-blocks interposed between the sets of springs, the concave-faced bearing-blocks alternating with the concavefaced bearing-blocks, a ease inelosiiig said springs, and thc liront :ind rear bearingbloclrs beingino\f'iib l}r connected with said in- 11o closing case, substantially es specified.

7. ln :1 l dralt--rigeing7 the combination with sthe tops :ind raw-bar, of a series of sets ol' straight flat springs, and Convex-laced .and coiicave-fneed bearing-blocks interposed between the. of springs, the convex-loved bearing-blocks alternating with the concave- Vli'iced bearing-blocks, *s case inolosiiig said si'iiings, the iront and rear lcaring-blocl'l being inovably connected with said inclosing izc onse, and provided with shoulders to :ibut agonist the ense, substantially as speeilied. CHARLES J. NASH.

illlitnessesz H. M. Munn/i1', Wirth-iii A. Gisteren.

raw-bar, of s series of 8c..

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