Patent ID: 8915194
Filing Date: 2014-12-23
Classification: B61D

Abstract:
1. A system comprising: a railway car having an underframe and at least one hopper for transporting lading; at least one discharge opening for each hopper; a respective door assembly disposed adjacent to each associated discharge opening, the respective door assembly including a door; a common linkage operable to move each respective door assembly between a first, closed position and a second, open position by pulling the door of the respective door assembly from the first, closed position to the second, open position in response to the common linkage moving in a first direction and pushing the door of the respective door assembly from the second, open position to the first, closed position in response to the common linkage moving in a second direction; and a power source disposed below the underframe and coupled to the common linkage, the power source operable to reciprocate the common linkage in the first direction and the second direction.