Patent ID: 6019049
Filing Date: 2000-02-01
Classification: B61D

Abstract:
A door assembly for a bottom dump covered railroad hopper car having an underframe including a centersill defining a longitudinal axis for the railroad car and a plurality of longitudinally spaced discharge openings, said door assembly comprising:a plurality of longitudinally mounted, divergently opening pairs of discharge doors, with each pair of discharge doors being mounted in end-to-end spaced relation relative to an adjacent pair of discharge doors and relative to said longitudinally spaced discharge openings defined along a bottom of the hopper car, with each discharge door being mounted for pivotal movement between open and closed positions about an axis arranged adjacent and extending generally parallel to the longitudinal axis of said centersill; anda door operating mechanism having a single powered driver for operating said plurality of pairs of discharge door simultaneously relative to each other thereby permitting bulk commodity within said hopper car to be rapidly discharged therefrom.