Railway rolling stock – Special car bodies – Dumping
Patent
1989-05-17
1991-09-10
Olszewski, Robert P.
Railway rolling stock
Special car bodies
Dumping
1053081, B61D 726, B61D 720
Patent
active
050464329
ABSTRACT:
A gate mechanism for a bulk material handling container such as a railway hopper car. The gate mechanism comprises a chute attached to the bottom of the hopper and having a discharge opening, a frame attached to the side of the chute, a gate slide mounted within the frame, a slider for providing a low friction, non-metallic contact surface between the gate slide and the frame, a drive mechanism for opening and closing the gate slide, a seal for preventing any discharge through the closed discharge opening, and a lock for securing the gate slide in a closed position. The slider comprises elongated bodies made of solid bars of non-metallic, low friction material such as Teflon (trade mark), and provides a non-corroding, easily maintainable method for the smooth opening and closing of the discharge opening. The lock comprises a shaped spring bar made of resilient metal, which provides a simple and automatic means of holding the gate slide closed.
REFERENCES:
patent: 2072292 (1933-06-01), Campbell
patent: 3109388 (1963-11-01), Dorey
patent: 3110270 (1963-11-01), Ingram
patent: 3255714 (1966-06-01), Dorey
patent: 3933100 (1976-01-01), Dugge
patent: 4344365 (1982-08-01), Fritz et al.
patent: 4475672 (1984-10-01), Whitehead
DeGelman Industries Limited
Muratori A.
Olszewski Robert P.
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