Railway rolling stock – Special car bodies – Dumping
Patent
1987-08-06
1990-05-08
Smith, Leonard E.
Railway rolling stock
Special car bodies
Dumping
105411, 105414, 105420, B61D 700, B61D 1700
Patent
active
049228331
ABSTRACT:
An end structure for a railway car, and more particularly a covered hopper railway car, is disclosed which has side sill extensions extending diagonally inwardly from the ends of the side sills to the center stub sill for transmitting substantially all of the longitudinal, horizontal loads between the center stub sill and the side sills. A generally vertically extending truss is provided between the center stub sill and the end of the car above the center stub sill so as to withstand overturning moments and vertical loads between the end of the car and the center stub sill. The side sill extensions are tapered in heightwise and widthwise relation so as to minimize weight of these members. The truss includes outer vertical members which are curved so as to blend with the side sheets of the car body thereby to optimize load transfer. Inner truss members are of a convenient rectangular cross section so as to facilitate fabrication. The outer truss members incorporate a reinforcing cable hook opening so as to permit lifting of the car in accordance with AAR specifications.
REFERENCES:
patent: 4168665 (1979-09-01), Needham
patent: 4557199 (1985-12-01), Everett, Jr.
patent: 4690071 (1987-09-01), Billingsley et al.
patent: 4696238 (1987-09-01), Billingsley, Jr. et al.
Coulborn John W.
Krug John A.
ACF Industries Incorporated
Smith Leonard E.
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