Railway vehicle coupler

摘要

A railcar coupler having a head portion extending from a shank portion, the coupler head portion is configured to couple to a first coupler knuckle for coupling the railcar coupler to a second railcar coupler of an adjacent railcar. The coupler has weight reduction features that also are configured to provide strength to the coupler when handling forceloads. The coupler may have a head with a front face with bores provided in the front face a cavity extending through the coupler, a guard arm with cavities formed therein, and a shank having a plurality of longitudinal cavities and adjacent ribs separating the cavities. Preferred embodiments may be constructed from an austempered metal.

主权项

1. A railway vehicle coupler constructed having at least one zone of weight reduction therein provided in one or more of the guard arm, head front face and shank;
the coupler having a head and a shank, the head including a guard arm, wherein said head has a gathering wall and a gathering face on said gathering wall, wherein said guard arm has a guard arm side wall, a guard arm top wall, a guard arm lower wall, wherein a first cavity is provided in said guard arm, wherein a second cavity is provided in said guard arm, and wherein a mid wall spans between said gathering wall and said guard arm side wall and is located between said guard arm top wall and said guard arm lower wall.