US1544369A - Car stop - Google Patents

Description

June 30, 1925.

R. BREYLEY CAR STOP Filed April 1925 3 SheetsSheet 1 June 30, 1925.

R. BR'EYLEY GAR STOP Filed April 1; 1925 3 Sheets-Sheet 2 M .MMM

June 30, 1925.

R. BREYLEY CAR STOP 3 Sheets-Sheet 5 Filed April 1, 1925 Patented June 30, 1925.

UNITED STATES.

RUPERT BREYLEY, OF P.AIN'ESVILLIEZ, ClI-IIO.

GAB- STOP.

Application filed April 1, 1825. Serial No. 19,794.

To all 40720222 it may concern.

Be it known that I, RUPERT BnnYLnY, a citizen of the United States, residing at Paincsville, in the county of Lake and State of Chio, have invented a certain new and useful Improvem nt in Car Stops, of which the following is a full, clear, and exact description, reference being had to the accompanyingdrawings.

This invention relates to that class of devices known as friction car steps which comprise shoes carried by the opposed rails of a track and slidable from a normal positiou thereon to a second position, the shoes carrying the advancing wheels of the rolling stock and sliding under the weight of their burden along the rails until the fricticn between the shoes and rails overcomes the momentum of the rolling stock, or until the shoes come in contact with abutments, or until the rolling stock engages a bumper. Upon subsequent movement of the rolling stock in the opposite direction, the shoes are returned by the wheels to normal position wherein they are stopped by suitable obstructions, usually fish plates which connect adjoining rails.

lVith a view of eliminating the faults possessed by prevailing car stops of the above mentioned class, my invention com prehends the following principal objects:

To provide a friction car stop that is equally suitable for use independently of, or in conjunction with, a stationary bumper of a type wherein the bolster is sustained by structural members that are fastened directly to the track rails, the car stop being so designed as to escape obstructions situated along the rails and common to the aforesaid type of bumper;

To provide a friction car stop which, when used alone or with a stationary bumper, 0 uses no loss of track space;

To provide a friction car stop wherein the shoes are returned to normal position by the revolving wheels of the rolling stock and without appreciable friction;

To provide a shoe for friction car stops which is of unique design, being preferably formed as an integral casting, and wherein the pull-back is spaced from the wheel obstructing portion so that as the advancing wheels enter the stop they ride over the pull-hacks of the opposed shoes and drop directly onto the rails, thereby preventing distortion of the shoes through continued use and insuring throughout the life of the stop a flat bearingsurface of the shoes upon the rails at all points throughout their lengths;' A

To provide a shoe for friction car stops which as above mentioned is preferably formed .as' an integral casting and having that portion which frictionally engages the rails of a softer quality of metal than that portion of its pull-back which is engaged by the wheel during the return of the stop to normal position thereby to acquire the maximum efficiency during the stopping of the rolling stock and to render as easy as possible the return of the stop to normal position; and

To provide a friction'car stop which, by suitable rigging, may be shifted with respect to the rolling stock sufficiently to di engage the pull-backs of the opposed shoes from the wheels wherewith they normally engage during the return movement ofthe stop so that the manual OPGTZItlOIlOf shifting the car along the track, commonly known as pinching a car, may be as easily performed as under ordinary circumstances.

Further and more general ob ects are to provide a highly efficient car stop that is particularly convenient of installation, is very durable, andis comprised of few parts that are cheap of manufacture and easy of assembly. v

The foregoing objects, with others hereinafter appearing, are attained in the construction illustrated in the accompanying drawings wherein Fig. 1 is a side elevation of my improved car stop mounted upon a- .traclr; Fig. 2 1s a fragmentary plan view of the stop; Figs. 3, i and 5 are sectional details on the lines 38, 44 and 55, re spectively, of Fig. 1; 6 shows a section of track in side elevation, at the right hand end of which .is situated a stationary car bumper and atthe left hand end of which is shown in normal position my improved friction car stop; Fig. 7 is a view, similar to Fig. 6, showing a car engaging the stationary bumperwith the wheels of the advancing truck resting upon the friction car stop; Fig. 8 shows the car proceeding away from the stationary bumper and. returning 7 the friction stop to normal position; Fig. 9 is a sectional view taken longitudinally of the track and showing the friction car stop fso adjusted with respect to the car that the car: may lee-shifted along the track in the direction indicated by the arrow with the customary ease; Fig. 10 is a fragmentary plan view of what is showrnin'Figcfigtasnd Fig. 11 isva sectional detail of one of the abutineiits wherew th, under certain oond-if t-ions, the friction car stop engages, the sectionbeing taken on the,line'11' '11 ofF'ig: 6. The friction car stop is comprised of right and left hand slices, each beingprei'erably formed of an integral casting? Each shoe includes a comparatively longirail engaging I section 1, the" uppersur faceof whiclnad jacent its it'orwardend, merges into an up-' 'wardl'y inclined curved wheelobstr'ucting portion 2. "The uppei end stuns portion is joined to the forward extremity of the tudinaliy of the railasuitable'distance from "rail.

i the pull-back the sectional detail of Fig. 5.

section iby abrace'i'i The top-surface of the SQOtlOlTl, at vits'rearend, is gradually inclined downwardly, as shown at 4:, to the top surface of the rail A. Spaced longithe section 1 is apart which I shall term 7 p This has a bearing upon the ball of the rail of considerable extent and it gradually tapers froma relatively thin edge at the rear end of the shoe to a suitable elevation where it joins, through a horizontal surface 6,"aj'downwai'dly' curvedportion7 that descends to the top surface of the rail. Consequently between the parts,

designated-A and? thewheele igaging surface of the rail is exposed. The pull-back t 5' is connected" to thesection 1 by neans of arlaterally d isposed angular beam 8 shown in cross section in Fig; 4. On opposite sides of the pull-bacli5,-and at about the rear end of beam 8, are lugs 10 whichextend' down along side and beneath the-ball of the rail in'toclose proximity. to the web thereof, as

shown in detail in Fig. 3. At the forward extremity of the shoe, the section 1 is formed with lugs-11- which embrace the ball of" the rail but do not e'xtendbelow the same. The

formation of these lugs is best illustrated in Smaller lugs 12 are formed on opposite sides of the section 1 a suitable distance rearwardly of the [lugs/111 The lugs 12, likethose just described; are no deeper than the ball of the T he upper ends of the portions 2' of the opposed shoes are tied together by a rod or bolt 13, and are maintained a hired distance apart by a tubular spacer 14-that is applied to' the bolt or rod.

Considering the device as though used 4 ontothe sections 1' and travel therea-long frontwheels have acquiredthisposition, the

rear Wheels of the truck are resting upon t 1 shown in Fig. 7. Under the weight otits 1 load-and the influence of the loads'momenthe longerjinclines': of: the pull-backs 5, as

tum, the car stop slides along the track until the'friction between the shoes and the rails overcome the momentum, or untilfthe until stopped bythe'portions 2."; When the operation ofi'the car-stop as "though the i g stationary bumper were not; present), I T

There is, however,apeculiar advantage in a stationary bumper;

so f the conjoint use-of a it'rictioncarstop and" i In Figs. 6; 7- and 8' v I have shown ahighly. desirable type of Y bumper, designated B, andk comprising; a' 255 j bolster]; that is sustained at an elevation to receive the bumper engaging partcofa car Cby strut-s1) and tensionmember 6 which may be constituted of rails havinghorizontalportions 5 that-lie'on thet-ies (not shown) along side the rails A an d are fastened to said. rails by bolts; bf and spaced 1 r therefrom by stringers-b through which, p

and the rails and tension members 6 the;

bolts 7) lZlOIL pass; This is standard construe The lugs 11 and I2 ot the shoes are made short, as above .de'scribed, so as to avoidinterference with the stringers Z7 thus allowingqthe shoes to pass alongside the} 7 tension members 5 and the car to engage the bumper B. I am permitted to" shorten the lugs 11 and12 in'the manner stated because they have, only the onei'f-nnctionof f iinaint aining the shoes against laterali displacement. Were it necessary, as in-p 'iorf '7 typ'esoffriction car stop 'wher ewi'thl am familiar, to engage the lugs at the forward? ends of the shoes beneath the balls of the rails, it would not. be possible to 'use the stop "in'con'jn'nctionwith bumpers of the type above' descr'ibed I ,l lllf x The difference between my improved A bumper and the prior ones referred to and which difference is responsible for this mod ification of the lugsand the benefits arising therefrom, is the space between the pull-back 5 and the section 1 of'each shoe. W'ithout su'ch'a space, the continual hammeringof the wheels upon thecomparativelythi'npor ti'ons of the shoes,"assaid wheels'drop from V illiG'Pilll-bilCkS when entering the stop, would be liable to cause a displacement of themetal that would result in theshoes assumin a rocker shape, andif such a condition should i 1 develop and the'lu gs were short they would soon rise so high wit h frespect' to the that they wonld'be' of no eflt'eet;

In the bumper installation, asabove derails scribed and as illustrated'in Fig s;- 6',.7:.and: l

' 8, the abutments'15' are" employed merely as 'a safeguard? in case'thebumper fails. They 75- lugs 11 engage'the abutments' 1'5 being '1 remembered'tha't we arenow considering the are placed beyond the limit of normal at Vance movement of the friction car stop a' will be seen by reference to Fig. 7.

If the rolling stock is to be stopped .by engagement with a fixed obstruction, rather than solely through the action of the friction car stop, it is better that the suspended load engage the obstruction,-than the trucks from which the load is suspended. This is for the obvious reason that by far the greater part of the momentum is in the suspended load. In the bumper installation, the friction car stop serves to retard the movement of the rolling stock, while the bumper serves to positively arrest the move ment of the load thus avoiding strains which would otherwise occur in the car structure between the body and the truck.

VJ hen the rolling stock is moved in the direction indicated by the arrow in Fig. 8, the wheels previously described as the rear wheels of the truck ride 05 the pull-backs 5 and the front wheels withdraw from the portions 1 and bear upon the rails through the spaces between said portions and the pull-backs. aforesaid direction said wheels engage the upper ends of the inclined portions 7 (as indicated in Fig. 1 where the tread of the wheel is represented by the blOlZCGH line and shove the stop along the track until the lugs 10 engage the fish plates a These fish plates arrest movement of the car stop and the car wheels ride over the pull-backs 5, leaving the stop in normal position for its next operation. It may be explained in this connection that the portion of each pull-back, engaged by the car wheel during the return movement of the stop, is hard ened, as represented by the shading in Fig. 1, for the double purpose of preventing undue wear of the shoe and for reducing the friction between it and the wheel. The rail engaging portions of the shoe are left as.

soft as practical so as to increase the friction between the shoe and the rail when the shoe is being slid forwardly under load.

It frequently becomes necessary to shift cars along a track by manual power, an operation commonly referred to as pinching a car. This is done by means of a crow-bar like implement, called a pinch bar, which is adapted to be wedged between the rail and a wheel of the car and alternately raised and lowered. A man is indicated in dotted lines in Fig. 9 in the act of pinching the car in a direction indicated by the arrow appearing on the car in this View. In order to avoid interference with this operation by the friction car stop the same is shifted with respect to the car by suitable rigging. In Figs. 9 and 10 this rigging is shown as comprised of a Y-shaped yoke 16 that is engaged with the car stop and has pivoted to the end of its stem a cam lever 17 which is swung to the position shown in the drawing, 1n whlch position it may be held by a ring As the car continues in the adapted to be engaged through the terminal link of a chain 18 that is connectedby a hook 19 to the car-axle 20. lVhen the lever 17 is engaged through said link and is 21, it advances the car stop with respect to the car enough to withdraw the pull-backs from the wheels. The car may now be moved forwardly with comparative ease, thecar stop slidingfreely along the track during the operation.

Having thus'de scribed my invention, what I claim is:

l. A shoe. for a friction car stop adapted to be'slidably mounted on a rail and com- I prising two wheel carrying parts that are spaced apart so as to expose between thema section of the wheel engaging surface ofthe rail, one of said parts including a wheel obstructing portion and the, other constituting a pull-back, and means spaced laterally of the rail for tying said parts together. v

2. A shoe for a friction car stop adapted to be slidably mounted on a rail, said shoe consisting of an integral casting comprised of two wheel carrying parts that are spaced apart so asto expose between them a section of the wheel engaging surface of the rail,

, one of said parts including a wheel obstruct 7 mg portion and the other constituting a pull-back, and a beam disposed laterally of the rail and tying the aforesaid parts together.

3. A shoe fora friction car stop adapted to he slidably mounted on a rail and comprising two wheel carrying parts that are spaced apart so as to expose between them a section of the wheel engaging surface of the rail, the first ofsaid parts including a wheel obstructing portion and the second constituting a pull-back, means disposed laterally of the rail for tying said parts together, lugsdepending from opposite sides of the pull-back and extending beneath the ball of the rail, and means for maintaining the first of said parts against lateral displacement with respect to the rail.

4. A shoe for a friction car stop adapted to be slidablymounted on a rail and comprising two wheel carrying parts that are spaced apart so as to expose between them a section of the wheel engaging surface of the rail, the first of said parts including a wheel obstructing portion and the second constituting a pull-back, means disposed laterally of the rail for tying said parts to gether, lugs depending from the first of said parts on opposite sides of the ball of the rail 7 and terminating short of the underside thereof, and lugs depending from the second of said parts on opposite sides of the rail. and extending underneath the ball thereof.

5. A shoe for a friction'car stop adapted Vto'heslidably mounted on a rail, said shoe consisting: of anintegral casting vand come for-returning the stopto normal position, means-disposed laterally oftherail for tying said parts together; and lugs' dependingfrom said partsa-longside the ball= of the rail, the rail engaging surfaces of the wheelii cannying parts being comparatively soft,- while the aforesaid wheelengaging portion of the pull-back isrelatively hard.

v 6. In combinationwith a-traok andahump er 'sitnated'between the opposed rails"- of the "track" and having structural members connected tothe' wehsfof" said rails, 21.: friction car stop comprising a: shoe slidable 3 upon one of said railsand including meansoo+ operating with the ball of the rail'to-prevent lateral'displa'cement' of the shoe, said: means being designed to: esoa pethe connection 7 between the railand the strnctural member of thebumper, as and for the purpose specieby: the wheelwhenthe car is movingrint-he' 7. In combination witha track and a bumper'sitnated between theopposed rails ot the track andhaving structural membersconsaid wheel dnning'themovementofythe"car nectedto the Webs of saidrails; aafriction car stop comprising opposed shoes slid'ahle nponlsaid rails, eachshoe incorp orating lugs depending on-opposite sides of the balls; of thera-ils, the ones. located at'th'eend's of fthe shoes nearest the bumper terminating short of thennder plane of the 'ba ll's ofthe-ra-ilsthereby to avoid interference-with the con nections between the rails and thestructuralmembers ofthe-hninper. y r

, 8'. In combinationwith'a track tending alongthe; inner sides of the rails and connected-thereto, a friction carstop comprising shoes that are slidably mounted upon the opposed rails of" the track, each of saidshoes consisting of: a wheel obstructing J part and a pull-back that are spaced apart shoes nearest the bumper being" relatively 7 short to avoid engagement withthe-connec I V andabump er situated between the opposed'rails there- .of and involvingstructural members ex-v tions between the:- a-foreSaLid? strilctjnralv mem bers ofztheihnmperl'and the: rails: I

9. In a flictitxdcan stop, a, shoe: that is.

adapted; to; be; slidahly -mountedi on: a:- rail and'comprisingga;wheelziobstrnctingportion anda' pnll-hackzthat are spacediaparlitvso as to enpose betweeni them: alf 'section; oftheiv wheelengagmgsunface;otthe raihithec wheeh obstructing; portion; 'beingjvadaptedi to beg-i, engagedi by a; 'wheel' Offl: when, thef car is moving flni one directiom and s the pullback being adapted tohe engaged by a: wheel.

whenzfthe: 'carfis;v moving; in the; opposite div:

rection, and means through which: the; shoe; f

maybe maintained? in-gsu'ch' relationto the:

wlieelthat the pnll-baokr-is,.heldrout ofhco'n-s tact therewith; when the car. ismovingin, the; lastmentioned: direction.

10. In a'car stopof the character set forth; a friction'shoe slidably mounted upon; the: rail of a, track and; comprising a: wheel; ob?- strncting part and a; pnll-baek spaced from saidspart: sou-as to exposebetweenthem-Eai section ofthe wheel: engaging-surface oft-he rail, the wheel obstructing; portion being adaptedtofbe engaged: bya wheelof; a: can

when the "car ,is moving in. one direction while the .pullehack; is adapted to beengagced:

opposite direction, and moans'for'shifting;

the shoe with respect to the. car so; as to;

maintain the pull-hack out' of contact; with in the last mentioned direction.

121: A friction car-stopicompnising a pair;

be opposedshoes that areadaptedto be slide ably mounted fupon therails of: atrackeachy shoe including aawheelyobsimneting, portion:

at: its iforwardz end and. a; pulL-back: at: its

rearward end,1.saidiportibn and: the; pull-back:

' being: spaced: apant so as to expose between.

them a sectionof the wheels engaging sun face of? the raih the wheeli'ohstm cting po1ttionsof 'the'shoes :being adapted: to be engaged:

by -w-heel's of a; car when the carrisim'oving r in one direction and the pnllba'cks being; adapted to he engaged? by said: wheels when the car is moving-inthe opposi'te direction,

and rig ing for connecting the" forward; end: I

of the ca-r-stop-xtoithe axle 0t said wheels and;

onner Bnnnnrn

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