Railway rolling stock – Trucks – Axle bearing mounting
Patent
1999-02-23
2000-06-27
Le, Mark T.
Railway rolling stock
Trucks
Axle bearing mounting
191 45R, 191 49, 105 341, B61F 526
Patent
active
06079335&
ABSTRACT:
There is an electric railway truck comprising an unsprung third rail collector beam for a swing arm primary suspension. The collector beam and attached current collector is mounted to the truck frame through the use of mounting adapters, links, and elastomeric bushings. Specifically, in the vicinity of the swing arm axle housings, the collector beam is secured to the mounting adapters which, in turn, are suspended below the respective axle housings by the links and accompanying elastomeric bushings. The torsional deflection of the elastomeric bushings permit the links to swing in the longitudinal direction, thereby accommodating the relatively larger angular and longitudinal axle housing motions created by a swing arm primary suspension.
REFERENCES:
patent: 1766639 (1930-06-01), Howe
patent: 3855940 (1974-12-01), Pinto
patent: 4526108 (1985-07-01), Spencer et al.
patent: 5454456 (1995-10-01), McKinzie
Buckeye Steel Castings Company
Le Mark T.
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