Hopper car gate with a curved door

Details Hopper car gate with a curved door Hopper car gate with a curved door

2008-03-21

2010-10-26

Morano, S. Joseph (Department: 3617)

Railway rolling stock

Special car bodies

Dumping

C105S282100, C105S289000

Reexamination Certificate

active

07819067

ABSTRACT:
A hopper car gate with a curved door for discharging cargo from a hopper car. The gate has coupled side walls and end walls which present a top opening, bottom opening, and upper surface surrounding the top opening and adapted to be joined to the hopper car. A curved rail extends between and is coupled with the end walls adjacent the bottom opening. A curved door is supported on the rail. The door is moveable between a closed position which blocks the bottom opening and an open position which allows the cargo to exit through the bottom opening.

REFERENCES:
patent: 1627256 (1927-05-01), Smith
patent: 2989930 (1961-06-01), Flowers
patent: 4149470 (1979-04-01), Sambucetti et al.
patent: 4325308 (1982-04-01), Erfurth
patent: 4574989 (1986-03-01), Pole
patent: 5263422 (1993-11-01), Barefoot
patent: 6363863 (2002-04-01), Dohr
patent: 2009/0007813 (2009-01-01), Early
U.S. Appl. No. 12/265,117, Stephen R. Early.

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