Patent ID: 7819067
Filing Date: 2010-10-26
Classification: B61D

Abstract:
1. A hopper car gate for discharging cargo from a hopper car, said car comprising a hopper having an opening and a rim surrounding said opening, said gate comprising: opposed generally upright side walls; opposed generally upright end walls coupled with said side walls, wherein said coupled side and end walls present a top opening, a bottom opening, and an upper surface surrounding said top opening, wherein said upper surface is adapted to be joined to the rim of the car; side frame members supporting and coupled with each of said side walls; end frame members extending between and coupled with said side frame members; a center frame member extending between and coupled with said side frame members; a curved rail extending between and coupled with said end frame members adjacent said bottom opening; and a curved door supported on said rail and moveable between a closed position which blocks said bottom opening and an open position which allows the cargo to exit through said bottom opening.