Frictionally snubbed railway car truck

Details Frictionally snubbed railway car truck Frictionally snubbed railway car truck

1976-12-23

1978-08-29

Hoffman, Drayton E.

Railway rolling stock

Trucks

Bogie

267 9A, B61F 506, B61F 512, B61F 524, B61F 550

Patent

active

041095855

ABSTRACT:
A winged friction shoe is provided to frictionally engage both the side frame column and bolster in order to control the oscillating movement of the latter. The wings of the friction shoe are formed with a surface which is inclined with respect to the surface which they engage to provide a couple force which urges the shoe into lateral alignment with a friction surface when the friction surface and shoe are initially in a laterally non-parallel relationship.

REFERENCES:
patent: 2053990 (1936-09-01), Goodwin
patent: 2837034 (1958-06-01), Shafer
patent: 2953995 (1960-09-01), Baker

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