Railcar truck bolster with immobilized friction shoes

Details Railcar truck bolster with immobilized friction shoes Railcar truck bolster with immobilized friction shoes

1990-11-01

1992-02-11

Focarino, Margaret A.

Railway rolling stock

Trucks

Bogie

1051982, B61F 540

Patent

active

050867083

ABSTRACT:
Friction shoes are immobilized within the pockets of a railcar truck bolster by threaded pins that are inserted through apertures in the pocket walls and friction shoes and guided into the inboard pocket wall apertures by a concentric tapered surface within the pockets on the inboard pocket walls.

REFERENCES:
patent: 2545591 (1951-03-01), Shaw
patent: 2615403 (1952-10-01), Orr et al.
patent: 2672102 (1954-03-01), Davidson
patent: 2720172 (1955-10-01), Baselt
patent: 2871801 (1959-02-01), Couch
patent: 3005418 (1961-10-01), Couch
patent: 3805707 (1974-04-01), Neumann
patent: 4637319 (1987-01-01), Moehling
patent: 4825775 (1989-05-01), Stein et al.

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