Friction casting for a bolster pocket

Details Friction casting for a bolster pocket Friction casting for a bolster pocket

1988-06-20

1990-12-04

Focarino, Margaret A.

Railway rolling stock

Trucks

Bogie

105207, B60F 300

Patent

active

049745212

ABSTRACT:
A friction wedge for use in a railroad car truck bolster pocket which has a slanted rear wall and adjoining side walls perpendicular thereto, one surface thereof adapted to bear against a portion of a car truck side frame and a slanted surface and adjoining sides adapted to bear against the slanted rear wall and adjoining side walls of the bolster pocket. The friction wedge includes a metal body and a polymer cover providing the slanted surface and adjoining sides, with the polymer cover being formed in a plurality of sections movable relative to each other and the metal body such that, during use, the polymer sections may move into contact with the pocket rear wall and adjoining side walls.

REFERENCES:
patent: 2702512 (1955-02-01), Maatman
patent: 4167907 (1979-09-01), Mulcahy et al.
patent: 4295429 (1981-10-01), Wiebe
patent: 4333404 (1982-06-01), Kleykamp
patent: 4426934 (1984-01-01), Geyer

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