US128219A - Improvement in jaws for dump and coal cars - Google Patents

Improvement in jaws for dump and coal cars Download PDF

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US128219A
US128219A US128219DA US128219A US 128219 A US128219 A US 128219A US 128219D A US128219D A US 128219DA US 128219 A US128219 A US 128219A
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dump
jaws
improvement
coal
coal cars
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/32Guides, e.g. plates, for axle-boxes

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  • This improvement consists in extending one of the Wings of the jaw which carries the housin g-box of a dump or coal car, so as to support the end-sill of a dump-car, and brace and splice the Weak point of junction betweeny the -end and side sills.
  • A is the end sill of a dumpcar.
  • B is the side sill. They are mortised and tenoned together at the line c, and bolted. The cutting away of the Wood for mortise and tenon work weakens it very much, and it is at this linec that dump and coal cars usually break down.
  • the jaw in which the housingbox of the axle plays is usually placed a short distance back Yfrom the end of the side sills, so that the strain on the end sills is supported by the strength of the tenon and bolts w x only.
  • the usual form of jaw is an iron casting, having the side plates before and behind the housing alike, and having a short bearing along the sill, and placed nearer the center than the line c.
  • My improvement consists in enlarging and lengthening the bearing surface of the jaw from d to e, and changing the outer or end Wing of it, ef, so as to transmit the Weight of the end silllA directly to the axle, instead of through the bolts :v a: and tenon to the side sill, and thence to the axle, bolting the jaw rmly to both sills.
  • This Way I relieve the bolts a' and tenon of any other duty than that of steadying the end sill and preventing thrust, so that the strain on them comes in the direction of their length instead of across them.

Description

UNITED STATE-s PATENT OFFICE.
JAMES M. FOSS, OF SAINT ALBANS, VERMONT, ASSIGNOR TO HIMSELF, MIL- TON Gr. WOOD, OF NEWTON, -AND S. H. MUNSON, OF BOSTON, MASS.
IMPROVEMENT IN JAWS FOR DUMP AND COAL CARS.
Specication forming part of Letters Patent No. 128,219, dated June 25, 1872.
Y Specification of Improved Jaws for Dump and Coal Gars, invented by JAMES M. FOSS,
of Saint Albans, in the State of Vermont.
This improvement consists in extending one of the Wings of the jaw which carries the housin g-box of a dump or coal car, so as to support the end-sill of a dump-car, and brace and splice the Weak point of junction betweeny the -end and side sills.
In the drawing, A is the end sill of a dumpcar. B is the side sill. They are mortised and tenoned together at the line c, and bolted. The cutting away of the Wood for mortise and tenon work weakens it very much, and it is at this linec that dump and coal cars usually break down. The jaw in which the housingbox of the axle plays is usually placed a short distance back Yfrom the end of the side sills, so that the strain on the end sills is supported by the strength of the tenon and bolts w x only. The usual form of jaw is an iron casting, having the side plates before and behind the housing alike, and having a short bearing along the sill, and placed nearer the center than the line c. My improvement consists in enlarging and lengthening the bearing surface of the jaw from d to e, and changing the outer or end Wing of it, ef, so as to transmit the Weight of the end silllA directly to the axle, instead of through the bolts :v a: and tenon to the side sill, and thence to the axle, bolting the jaw rmly to both sills. In this Way I relieve the bolts a' and tenon of any other duty than that of steadying the end sill and preventing thrust, so that the strain on them comes in the direction of their length instead of across them.
I claim as my invention, and desire to sccure by Letters Patent- The jaw for dump and coal cars, having one wing, e f, prolonged under the end sill A of the car, supporting it and transmitting its Weight directly to the axle, substantially as and for the purpose described.
JAMES M. FOSS.
Witnesses:
GUY C. NOBLE, B. CAMP.
US128219D Improvement in jaws for dump and coal cars Expired - Lifetime US128219A (en)

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