Control device for a railroad car

Details Control device for a railroad car Control device for a railroad car

2006-08-22

2006-08-22

Morano, S. Joseph (Department: 3617)

Railway rolling stock

Special car bodies

Dumping

C105S311100

Reexamination Certificate

active

07093544

ABSTRACT:
Pivotally mounted doors forming the floor of a railroad car are prevented from opening inadvertently through not allowing air pressure to be applied to a door opening piston until the air pressure exceeds a predetermined amount.

REFERENCES:
patent: 4326750 (1982-04-01), Rosenbaum
patent: 4915127 (1990-04-01), Werley
patent: 5359942 (1994-11-01), Ward
patent: RE36685 (2000-05-01), Bounds
patent: 6416133 (2002-07-01), Friesen

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