Hopper car with automatic discharge door mechanism

Details Hopper car with automatic discharge door mechanism Hopper car with automatic discharge door mechanism

1987-06-03

1988-08-30

Reeves, Robert B.

Railway rolling stock

Special car bodies

Dumping

105253, 105290, 1053112, 105313, 298 30, B61D 726

Patent

active

047668202

ABSTRACT:
A railroad hopper car having bottom discharge doors, an elongated beam assembly along the bottom of the car, door operating levers to open and close the doors connected to the beam assembly and doors, and lost motion connections in the beam assembly which permit displacement of beam sections to open and close pairs of doors in a sequential but substantially simultaneous and automatic order, and a pneumatic drive to move the beam in opposite directions to open and close the doors.

REFERENCES:
patent: 3161146 (1964-12-01), Lutts, Sr. et al.
patent: 3187684 (1965-06-01), Ortner
patent: 3391653 (1968-07-01), De Ridder
patent: 3596608 (1971-08-01), Aquino et al.
patent: 3596609 (1971-08-01), Ortner
patent: 3710729 (1973-01-01), Schuller
patent: 3815514 (1974-05-01), Heap
patent: 4132177 (1979-01-01), Funk
patent: 4601244 (1986-07-01), Fischer
patent: 4688488 (1987-08-01), Adams et al.

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