Squaring frictionally snubbed railway car truck

Details Squaring frictionally snubbed railway car truck Squaring frictionally snubbed railway car truck

1976-12-23

1978-08-01

Hoffman, Drayton E.

Railway rolling stock

Trucks

Bogie

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

Patent

active

041036239

ABSTRACT:
A friction shoe is provided on a railway car truck to frictionally engage both the side frame column and bolster in order to control the oscillating movement of the latter. The interfaces between the friction shoe and its reaction surfaces on the side frame and bolster are arranged so that initial contact is made against surfaces adjacent the lateral ends of the shoe, thereby providing the maximum restraining moment to resist lozenging of the truck.

REFERENCES:
patent: 2053989 (1936-09-01), Goodwin
patent: 2053990 (1936-09-01), Goodwin
patent: 2237953 (1941-04-01), Webb
patent: 2347463 (1944-04-01), Couch
patent: 2465763 (1949-03-01), Taylor
patent: 2712796 (1955-07-01), Shafer
patent: 2729173 (1956-01-01), Couch
patent: 2731923 (1956-01-01), Couch
patent: 2751856 (1956-06-01), Maatman
patent: 2883944 (1959-04-01), Couch
patent: 2953995 (1960-09-01), Baker

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