Span bolster assembly

Details Span bolster assembly Span bolster assembly

1988-12-01

1990-02-20

Kashnikow, Andres

Railway rolling stock

Trucks

Bogie

410 45, 105228, B61F 500, B60P 340

Patent

active

049016490

ABSTRACT:
A span bolster, for carrying a heavy load of a railroad car body and distributing the load to two four wheel two axle railroad bogies or trucks, is fabricated from steel plate and has top and bottom cover plates, top and bottom reinforcement doubler plates, longitudinal spaced apart webs separating the cover plates, body bolsters at each end and a central truck bolster, all formed of metal plate joined together by welding with all critical welds being full penetration welds, and with the span bolster being stress relieved after fabrication.

REFERENCES:
patent: 3207086 (1985-09-01), Mowatflarssen et al.
patent: 3577933 (1971-05-01), Ferris et al.
patent: 4160420 (1979-07-01), Hackbarth et al.
patent: 4161913 (1979-07-01), Gaillaumin
Drawing #E-45385-5, Maxson Corp. "Span Bolster Arrg't", 04/78.
Drawing #E-904-31, Maxson Corp., "100TON Span Bolster with Cushioned Unit", 04/82.

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