Friction wedge with mechanical bonding matrix augmented...

B - Operations – Transporting – 61 – F

Patent

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Details

B61F 5/12 (2006.01) F16D 69/04 (2006.01)

Patent

CA 2545038

A friction wedge assembly for use in a suspension system of railroad car trucks. The friction wedge assembly (10) comprises a cast metal wedge (1) having a bolster engaging surface (2), a truck side frame engaging surface (4) and a surface (6) disposed between the bolster engaging surface and the truck side frame engaging surface for engaging a spring that provides the load on the friction wedge assembly. There is a metal bonding matrix (8) disposed on the truck side frame engaging surface of the wedge and a composition liner (12) having a first side engageable with the metal bonding matrix and a radially opposed second side for engaging a metal wear liner on a side frame of such railroad car truck.

L'invention concerne un ensemble cale à friction destiné à être utilisé dans un système de suspension de camions. Ledit ensemble comprend une cale en métal fondu présentant une surface s'enclenchant dans le châssis, une surface s'enclenchant dans le cadre côté camion et une surface disposée entre la surface s'enclenchant dans le châssis et la surface s'enclenchant dans le cadre côté camion, permettant d'enclencher un ressort fournissant la charge sur l'ensemble cale à friction. Une matrice de liaison métallique est disposée sur la surface s'enclenchant dans le cadre côté camion de la cale et une doublure de composition présente un premier côté s'enclenchant avec la matrice et un second côté opposé radialement s'enclenchant dans une doublure comportant du métal sur un cadre latéral dudit camion.

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