Constant contact side bearing assembly for a railcar

Details Constant contact side bearing assembly for a railcar Constant contact side bearing assembly for a railcar

2006-12-26

2006-12-26

Le, Mark T. (Department: 3617)

Railway rolling stock

Trucks

Bogie

Reexamination Certificate

active

07152534

ABSTRACT:
A constant contact side bearing assembly configured for insertion into a walled receptacle on an upper surface of a railcar bolster. The constant contact side bearing assembly includes a housing defining a cavity. A cap is positioned by and overlies an end of the spring. The cap is mounted for reciprocatory guided movements by and relative to the housing, with a generally flat railcar body engaging portion on the cap being positioned relative to the housing and the walled receptacle by the spring. The side bearing assembly housing and the walled receptacle are configured to accommodate an apparatus used to locate and secure the side bearing assembly housing within the walled receptacle on the railcar bolster.

REFERENCES:
patent: 2259049 (1941-10-01), Swan et al.
patent: 2301372 (1942-11-01), Cottrell
patent: 4793720 (1988-12-01), Merker, Jr.
patent: 5086707 (1992-02-01), Spencer et al.
patent: 5682822 (1997-11-01), Sunderman et al.
patent: 6957611 (2005-10-01), O'Donnell et al.

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