Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Hopper discharge outlet
 An enclosed railroad car has hoppers at its underside for unloading a solid commodity. A pneumatic outlet trough is opened and closed by a slide valve or gate that is attached to operating rods supported in slide bearings. The gate can be safely removed from outside of the car by disengaging a pin that locks the gate to the operating rods. 
Union Tank Car
B
B65D
inventional
Daniel R.
Green