Railway car truck transom including a tubular bearing assembly

Details Railway car truck transom including a tubular bearing assembly Railway car truck transom including a tubular bearing assembly

1979-04-26

1981-01-06

Bertsch, Richard A.

Railway rolling stock

Trucks

Bogie

105197R, 105199CB, 105202, 105208, B61F 308, B61F 506, B61F 508, B61F 514

Patent

active

042429668

ABSTRACT:
In a railway car truck a transom is provided comprising a pair of tubes rigidly connected respectively to a pair of longitudinally extending side frames. The tubes are longitudinally and vertically aligned and are located below a bolster which extends between the side frames above the transom. A bearing rigidly attached to one of the tubes extends within the other of the tubes. The external surface of the bearing is provided with low friction material to allow the side frames to rock in respective vertical planes about a transverse axis as ups and downs in the track are transversed. However, the transom resists the tendency for the side frames to move longitudinally with respect to each other, and thus maintains the truck in tram.

REFERENCES:
patent: 2976819 (1961-03-01), Rossell
patent: 3817188 (1974-06-01), Lich
patent: 3986460 (1976-10-01), Voigt et al.
patent: 4030424 (1977-06-01), Garner et al.

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