Dual stage railroad hopper car door actuating mechanism

Details Dual stage railroad hopper car door actuating mechanism Dual stage railroad hopper car door actuating mechanism

B - Operations, Transporting

61

D

B61D 7/18 (2006.01) B61D 7/26 (2006.01) B65D 88/28 (2006.01)

Patent

CA 2698982

A mechanism for controlling opening of doors on a hopper car underside. The mechanism includes a pair of stationary hook assemblies located outboard of a discharge opening and having a proximal end affixed to the hopper car and a distal free end. Each hook assembly includes a locking cavity bounded by a cam locking surface and a distal slide surface. Included also is a pair of locking cam assemblies having an upper and lower cam surface matable with the hook cam locking assembly and having a slot. An elongate member has ends affixed to the pair of locking cam assemblies and extends through each of the annular end bearings. A pair of annular end bearings is disposed adjacent to the locking cam assemblies and each affixed to a door.

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