US1146220A - Railway-car underframe. - Google Patents

Description

MMLEQQQD C. T. WESTLAKE & C. F. FREDE. RAILWAY CAR UNDERFRAME.

APPLICATION FILED OCT. 17, I913.

Patentd July 13, 1915.

2 SHEETSSHEET 1- C. T. WESTLAKE & C. F. FREDE.

RAILWAY CAR UNDERFRAME. APPLICATION FILED OCT. 11. 1913.

Patented July 13, 1915.

2 SHEETS-SHEET 2- /1. 4 'llllllvlilllilllf TED STATES PAT T FF1QE- CHARLES T. WESTLAKE AND ormnizns F. FREDE, 0]! saw. some, MISSOURI, AssIeNons T0 COMMONWEALTH STEEL COMPANY, 0E s'r. LOU S, MISSOURI, A oonrona'rron' on NEW JERSEY.

RAILWAY-CAR UNDERFRAME.

a Y if 11,}.465320. Specification of. Letters Patent. Patent ed July 13, 1915 Application filed October 17,1913. SeriaINo. 795,701.

To all whom it may concern:

Be it known that we, CHARLES T. WESTLAKE and CHARLES F. FREoE, citizens of the United States, residing at the city of St. Lou s,

State of Missouri, have invented a certain new and useful Improvement Railway- Car Underframes, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanymg drawings, forming part of this specification, in which- Figure 1 is a cross sectional view of a car underframe' of our improved construction, said section being taken adjacent to the body bolster. Fig. 2 is an enlarged vertlcal section taken approximately on the line 2*2 of Fig. 1. Fig. 3 is a plan view of the end :9 portion of our improved underframe. Fig.

i is a horizontal section taken approx mately on the line 4-4 of Fig. 2. Fig. 5 1s a cross sectional view taken on the line 5- 5 of Fig. 4.

improvements in underframes for railway cars, the-principal objectof our invention 1 being to combine with the Sills of an underframe, a separable body bolster and a draft gear pocket. 0 c

A. further object of our invention s to rovide a comparatively simple, strong and.

rigid car underframe construction which can be readily assembled, or in the case of repairs can be easily taken apart.

To the above purposes, our inventionconsists in certain novel features of construction and arrangement of parts hereinafter more fully described and claimed.

In the construction of the underframe as shown, we employ a center sill composed of a vertically disposed web plate .10, a pair of top angles 11, and a pair of bottom angles 12. Thus a built-up center sill of I-beam shape in cross section is provided, but if desired, a single one piece I-beam can be utilized as the center sill.

Formed in the web 10 at the end of the sill is a longitudinally disposed slot 13, and that portion of the center sill above this slot projects a substantial distance beyond the portion below said slot. The body bolster 1t forming a part of our improved underframe is preferably cast in a single piece, substantially of I-beam shape in cross sec- This invention relates to new and useful tion, and provided at its center with a vertically disposed opening 15 which receives the lower portion of the center sill or that pore tion below the slot 13. When the bolster is properly assembled with the center sill, the

top flange of said bolster occupies the inner end of the slot 13 so that the parts of the center sill above and below said slot project a substantial distance beyond said bolster.

The underside of the central portion of the bolster is recessed, as designated by 16, in order to accommodate the horizontal flanges at the bottom of the center sill, and formed near the endsof this recessed portion and projecting downwardly, are transverse lugs 17. Positioned against the underside ofthe integral with the underSide of the bolster member comprises a plate 18, with the un derside of which is formed integral a center bearing 19, and formed integral with the top of said plate near its ends are transverse ribs or lugs 20, which, when the plate lugs 17.. This arrangement vprovides an effective tie beneath the opening 15 in the center of the bolster and forms an'interlocking connection between the ends of the pla-te 18 and the lower portions of the bolster to the sides of said opening 15, thereby resisting any tendency of the bolster to break' or fracture above said opening 15 when the ends of the bolster are jacked upto permit repairs or the removal of a truck.

The ends of the plate 18 bear directly against the shoulders at the outer ends of the recess 16, and by such arrangement the removable plate performs the function of a compression member to resist abnormal load strains imposed upon the outer end portions of the bolster. The removable plate 18 is attached to the bolster by means of bolts or 80 is applied to the bolster, engage the ribsor *tiiieiii; as seen dispesefi longituai nally extending webs or flanges 24, and passing therethrough and through the vertical web of the center sill are rivets or like fastening devices. Formed integral with the body bolster are side bearing members 25, and formed integral with the ends of said bolster are horizontally disposed perforated V ends of jacks used in lifting cars.

Fixed in any suitable manner to the ends of theb'ody bolster are side sills 27 which maybe of any desired cross sectional shape, and fixed to the ends of these side sills and to the outer end of the upper portion of the center sill which projects-beyond the slot 13 is an endsill 28. A draft gear pocket between the end sill of the unde'rframe and the body bolster is formed by a pair of vertically disposed plates 29, the outer ortions of which are spaced apart a suficient distance to accommodate an ordinary type of draft gear, and the outer portions of these plates are slotted to receive keys or provided with lugs to serve as bearings for parts of the contained draft. gear. llhe upper portions of these plates are bent inwardly, as designated by 30, and the inner .ends of said inwardly bent portions are fixed in any suitable manner, preferably by means of rivets, to that portion of the center sill abovethe slot 13 and which projects to the end sill 28. The inner or rear ends of the plates 29 overlie and close that portion of the slot which is in front of the body bolster, and said rear ends are fixed to the web of the center sill by rivets or in any suitable manner. The forward ends of the plates 29 are preferably secured to the end sill 28, and

thus said plates in addition to forming a draft gear pocket, perform the function of draft sills and also form center sill extensions between-the body bolster and end sill. By slotting the center sill to accommodate a part of the body bolster and making a part of said body bolster separable, said bolster can be very easily and quickly combined with the center sill when the car underframe is assembled, or in a case of repairs or re- I incense forming the draft gear pocket are attached:

directly to the end portion of the center silland to the vend sill of the underframe, thusproducing a stronger and much more rigid? structure than where the center sill terminates at or near the body bolster, and is connected to the end sill by means of separate draft sill members. The se arable plate 18 performs the functions 0 both a tension member and a compression member, depending upon the loads and stresses imparted to the bolster.

It will be readily understood that minor changes in the size, form and arrangement of the various parts of our improved under frame can be made and substituted for those herein shown and described, without departing from the spirit of our invention, the scope of which is set-forth in the appended claim. I claim: a

In a car underframe, the combination with a bolster and an end sill, of a single centersill of I-beam cross section, the web of which is slotted so as to receive a portion of the bolster, the overlying portion of the .web of said center sill being extended and rigidly fixed directly to the end sill, the other part of said center sill being extended through the web of the bolster, a removable plate applied to the bolster beneath the lower portion of the center sill, and a pair of spaced sill members, the rear ends of which are bent inwardly and attached directly .1 .to that portion of the web which extends through the bolster and the upper portions

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