Light weight draft sill

Details Light weight draft sill Light weight draft sill

1997-06-30

1999-08-03

Morano, S. Joseph

Railway rolling stock

Car framing and structure

Draft-sill framing

213 51, 213 57, B61D 1700

Patent

active

059311010

ABSTRACT:
The present invention provides a lightweight draft sill end casting for use with railroad cars. Weight reductions are achieved and adequate strength is maintained by using a set of front ribs and back ribs, with angled top and bottom ribs. The back rib set has a single central rib along the central plane of the draft sill. A single horizontal center plate rib is also used in the area of the center plate. The side ribs at the center plate have larger lightener holes. Holes are also provided in the bottom wall of the casting. Larger lightener holes are provided in the area of the draft sill pocket. These holes are moved upwardly to lower the center of gravity of the draft sill. The draft stops may be spaced from the top wall of the draft sill and from the bottoms of the side walls.

REFERENCES:
patent: 2638233 (1953-05-01), Wolfe
patent: 3561370 (1971-02-01), Reynolds
patent: 4128062 (1978-12-01), Roberts
patent: 4252068 (1981-02-01), Nolan
patent: 4359003 (1982-11-01), Miller et al.
patent: 4445617 (1984-05-01), Elliott
patent: 4549666 (1985-10-01), Altherr et al.
patent: 5135117 (1992-08-01), Geis
1970 Car and Locomotive Cyclopedia of American Practice, Second Edition pp. 334-339, 557, 566 and 586-587.

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