US1092814A - Compensating truck for railway-cars. - Google Patents

Description

A. J. KBLLOGG. GOMPENSATING TRUCK FQR RAILWAY CARS. APPLICATION FILED JULY 29, 1913.

1,092,814. Patented Apr. 7, 191% 2 SHEETS-SHEET 1.

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' WITNESSES:

A. J. KBLLOGG. GOMPENSATING TRUCK FOR RAILWAY CARS. APPLICATION FILED JULY 29, 1913.

Patented Apr. '7, 191% 2 SHEETS-SHEET 2.

n m W ALFRED. J. KELLOGG), or nnwnnn'e, OREGON.

COMPENSATING TRUCK FOR RAILWAY-CARS.

Specification of Letters Patent.

Patented Apr. 7, 1914.

Application filed July 29, 1913. Serial No. 781,810.

, Trucks for Railway-Cars, of which the following is a specification.

My invention relates to trucks for railway cars, and has for its object to compensate for, or reduce to a minimum, the torsional strain to which the axles and bearings are subject-,and to obviate the invariable frictional and shearing actions of wheels and their flanges upon the outer rails of curves in a line of railroad, which occur by reason of the conditions wherein the outer wheels of a truck have a circle of a larger arc to traverse than that of the wheels of the inner and consequently shorter circle, with the re sultant slipping and grinding of the latter, and similar heavy friction and tendency to shear of the former.

The object of my invention is to provide a device of this kind that is simple in construction, durable, and less expensive in first cost than are the standard trucks in present use,and this improvement may be considered as a further amplification and development 'of my Patent No. 999,192, bearing the dateof July 25, 1911. 1

While my first invention had for its object to eliminate axles extending between, or rigidly connected with wheels arranged in pairs, one for each rail of the track,-and individual truck'sections for each rail of the track, such sect-ions carrying a plurality of wheels, and a. separate axle for each wheel, with independent journals and bearings therefor, separ'ate king-bolts whereby the separate truck-section riding upon one rail may swivel independently of that riding upon the other rail,-.-the= improvement forming the subject matter of this application provides primarily for a simplified and efiicient brake-bar, which also serves as means of spacing the wheels to the gage of the tracks, in cooperation with the'beamfand a novel structure of journal-box, which features will be hereinafter fully set forth and specifically claimed. K

Other objects and advantages of my in vention will be made clearly apparent in the following specification taken in connection with the accompanying drawings which form part of this application:

Figure 1 is a plan view of my invention; Fig. 2 is a side elevation of same; Fig. 3-is an end'elevat-ion and section of same; said section being taken on line B B of Fig. 2; Fig. 4 is a longitudinal vertical sect-ion through the journal-box; Fig. 5 is a transverse section of same; Fig. 6 is a perspective of the brake-beam; Fig. 7 is a perspective of the bolster center-plate; Fig. 8 is a similar View of the truck center-plate, and Fig. 9 is a section taken on line A A of Fig. 2.

Now referring to the drawings (in which like characters of reference indicate like parts), the numerals 2 and 2 indicate frames which are spaced apart by means of spreaders 3, bolted adjacent the ends of said framesand prevented from longitudinal movement by means of lips 4, which are cast integral with the webs of the frames, as best illustrated in Fig. 9. Placed intermediate said frames areloolster center-plates 5, which are pivoted to transverse apertures in said frames by means of trunnions 6; resting on said bolster center-plates are truck center-plates 7, with flanges 8, so formed as to limit the horizontal movement of'frames 2. It will be noted that the sides of said truck center-plates that pass longitudinally intermediate the frames form arcs of a circle:

, and when the frames contact with the ends of said arcs the horizontal'travel ceases, but itis seldom if ever, that the shearing motion will reach these extremes. The lower end of said bolster center-plates and the up-.

per ends of said truck center-plates have turned therein ball-races 9, which register with each-other,and in which are placed steel balls in order that the trucks may easily and instantly move horizontally when said trucks shear. Resting on said bolster center-plates and securely pivoted to same is a beam. 10, through which the king-bolts 11, pass downwardly and through the bolster. center-plates and truck centereplates and through bosses 10 which are integral with the lower portions of said beam, said beam serving in part as a means of spacing the trucks to the gage of the rails, as well as a rest for the car body.

By observing Fig.2 it will be noted that the webs of the frames have longitudinal slots 12 therein, through which pass trun- Formed intermediate of gibs 14 and 14",

are guides 14, which register with slots 12 in frames 2; sald slots serving as hearings in which said guides travel. Pro ect1ng outwardly from said guides are arms 13,

which also rest on the edges of said slots and which position the wheels to the gage positions; this feature being another imof the rails. These brake-beams and their members are a salient featureof my presentinvention,--and which supersedes the ordinary form of brake-beam which I have heretofore used. In the longitudinal central portions of said brake-beams are slots 15, to which are fastened the ordinary means of connecting and operating such parts and need not be here described, as they form no part of this invention. The trunnions 13, form pivotal bearings for brake-shoes 17.

levolubly mounted in journal-boxes 18, are axles 19, to which are fixed intermediate the frames, Wheels 20; each axle operating independently of the others. The outer portions of said journal-boxes have pivoted thereto the ordinary form of cover, 21,'and within said journal-boxes are ribs 22, which are integral with thewalls thereof, and of which lugs 22 form a part, said lugs being arranged to prevent lateral motion of the axle, and serve to hold brasses 23, in fixed provement on my mentioned. My invention may be constructed of any materials and made in any size deemed suitable for allthe requirements of such a device,-and while I have illustrated and escribed a preferred form of construction prior invention above a 1d combinations of elements considered ossential in materializing the same, I wish to include in this application all mechanical equivalents and substitutes that may be fairly considered'to come within the scope and purview of'my invention as set forth in the appended claims' Having thus fully described my invention so that others skilled in the art towhich it appertains may beable to construct and use the same, what I claim and desire to. secure by Letters Patent, is v 1. In a device of the character described, frames spaced apart, means to secure said frames in such spaced relation, a transversely fixed connection between the frames ormin'g" the. truck section, longitudinally 3 movable brake-beams secured intermediate the inner frames, said brake-beam also'serving to space apart theupper portions of the truck' sections, =trunnions attached to said brake-beams, brake-shoes attached to; said said ,sp'readers being bolted adjacent the ends of said frames, a beam passing transversely of said trucks, said beam being firmly secured to thextruck center-plates, said truck center-plates being secured intermediate the upper portions. of said frames, bolster center-plates pivoted intermediate said frames, by means of trunnions which are integral therewith, ball-races in said truck center-plates and' bolster center-plates, balls in said ball-races, said balls spacing the bolster center-plates and truck centerplates apart, a king-bolt passing downwardly through said beam and through the centerplates and through lugs, said lugs being in,- tegral with the lower ends of said beam,

axle revolubly mounted in each journal-box, a wheel fixed to each axle, and means'to revent lateral motion of said axle attac ed within said journal-box substantially as described. I

3. In a device of the character described, frames spaced apart by means of Spreaders, said Spreaders being bolted adjacent the ends of said frames, a beam passing transversely journal-boxes attached to the frames, an

of said trucks, guides integral with said beams, gibs integral with the lower portions of said guides; detachable gibs on the upper portions of said guides, said guides being ,slidablymounted in the slots of the inner frames, said ibs serving as means to prevent longitumiinal motion of said brakebeams. andvto space the trucks to the gage of the/rails, said beam beingfirmly secured to the truck center-plates, said truck centerplates being pivoted intermediate the upper portions of said frames, a flange on each of said truck center-plates the longitudinal vertical edges of which form arcs of a common circle and serve as guides to the horizontal movement of the car-body, bolster centerplat-es pivoted intermediate said frames by means of trunnions which are integral therewith, ball-races in said truck center-plates and bolster center-plates, balls in said ballraces, said balls spacing the bolster centerplates'and truck center-plates apart and also serving to keep the car-body in an upright position when, the trucks shear, a king bolt passing downwardly'through said beam'and through the center-plates and through lugs,

said lugs being integral with thelow'erends of said beam, said kin bolt also serving to In testimony whereof I hereunto afiix my prevent any downwar thrust of the brakesignature in the presence of two subscribing 10 beam, journal-boxes attached to the frames, Witnesses. v

an axle revolubly mounted in each journa I ALFRED J KELLOGG box a wheel fixed to each axle and means within said journal-box to prevent lateral Witnesses: motion of said axles, substantially as de- --PETER HABERLIN, scribed. J. H. TRUMBO.

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