US896076A - Railway brake-shoe. - Google Patents

Description

PATENTED AUG. 18, 19.08.

J. S. BAKER. RAILWAY BRAKE SHOR APPLICATION FILED JAN. 11, 1908l .narran ninas,- s. BAKER, or A LT'ooNA,rEnNsYilviiNrn ASSIGNOR 'crous-HALF' To HARRY e.

n n-iron.

GRAZIER, or 'ALToONa PENNsYLvANiA.

RAILWAY Brahim-SHOE.

Specification of letters Patent.

l Patented Aug. 18;-1908.

Application filed January 11, 1908. Serial No. 410,399.

To all whom 'it may. concern."v

Be it known that l, JAMES-S. BAKER, a citizen of the United States, residing at Altoona, inthe county of Blair andA State of Pennsylvania, have invented 'certain new and us'ei'ul Improvements in- Railway Brake- Shoes, of which the following is a specification. f

This invention relatesto railway brakes, and hasnarticular reference to theprovision of a brake shoe for railway cars, the construction being such that all danger of breakage of the shoeor the same becoming detached from the brake beam, tending toA cause derailment of the train, will be reduced to the minimum.

More definitely speaking, the invention comprises a' brake shoe made up rincipally of a east metal body portion of su stantially uniform thickness and curved -to conlorm with the curvature of the'wheel with which it is intended to cooperate, a tough metal plate back for the body portion',1of peculiar lorrn, and a novel construction of attach# v ment means whereby the brakeshoe is secured to the brake beam.

The mechanism whereby the ob'ects ofthe present invention are attainedw' l be better understood as this description progresses, and to this purpose reference is to be had' to the accompanying drawings in which,

Tfigure 1 is a general perspective of a brake shoe made in accordance with the present invention, portions being broken away; Fig. 2 is a centralA transverse section, and Fig. 3

,is a fragmentary longitudinal section o n the or dimensions, preferably in accordance with the hi. C. B. standard, and comprises a heavy "body portion 10, preferably made of cast metal. In order to strengthen said body 10 and to provide a means whereby said body may be secured to thebrake beam and there held until substantially entirely worn out without any danger of breaking or dropping y to the rail, I providea tough steel plate 11 for thek said body, the said plate being provided With a slot 12 intermediate of its ends and the ends being bifurcated for the purpose to be presently set forth. On opposite sides of the slot the steel plate is struck up to form sockets 13. Thetotal width of the plate 'is slightly le'ssl than the Width of the. body 10, and the length of the plate is slightly less than the length of the body.

legs l5 and outwardly projecting feet 16 constitutes the immediate means for attachment of the brake shoe to the brake beam. The feet 16 are received inthe aforesaid sockets 13 and lie between the steel ,plate and the body portion and the bottoms ofthe feet lie substaritiall;r liush with the inner face ofthe 'said plate 1l. lt will be seen therefore that .the inner face of thevfeet and plate lie substantially parallel vwith the inner face'ofthe Ab'ody 10, and for this reason the'bdy 10'Inay he practically entirely rworn away before any part thereof will be allowed to dropl'froni its iastenings. `v

ln constructing the brake'shoe as herein set forth, the loop and plate are properly as- Wliich the body lportion is cast thereupon, portions of the metal of thebody passing through the slot 12 and bifurcations of the ends of the plate whereby the ends oftheplate are embraced by the cast metal, the sockets-Band feet 16 are embedded in cast metal, and the legs 1.57ct the loop are substantially embraced .by the same, whereby the loop lliis not only permanentlysecured in place by means of the-said sockets but is prevented from distortion or rupture by the heavy'bodv of metal wherein itis, embedded.

While I have herein set forth the best manner of construction of the brake shoe for all practical purposes, itis to be understood that the speciiic details oi construction mayl be varied in certain minor particulars so long as the spirit of the inventionis not departed from. A'

I claim: 1. 'A railway brake shoe comprisin a cast metal bod a steel strengthening p ate se- 'curd to t e back of said body theends of the steel plate terminatin 'slightly short of the ends of the`body an an intermediate portion thereof being slotted and struck Aup and a U-shaped attac ment' loop having feet received in said sockets, portions of the metall 'A Ushaped attachment loop 14 having seinbledV and placed in. a suitable mold after soy to form sockets on`op osite sides of the slot,

of the body extending over the ends of the. tending through the slot and bifurcations to plate and through the slot to embracesaid cover said feet and sockets and to embrace feet and sockets. the ends of' the back. 2. In a railway brake shoe, the combina- In testimony whereof I affix my signature 5 tion (f alcast metal body, 1a steel lte bacl in presence of two Witnesses.

t ere or laying a centra s ot an i urcate A ends, the plate on opposite sides of the slot JAMES IS' 'BAKER being struck up to form. sockets, and a U- Witnesses: l sha ed attachment loop having feet fitted LESTER A. CHERRY,

10 wit in said sockets, the metal ofthe body eX- H. G. GRAZIEE'.

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