Conveyors: fluid current – Intake to fluid current conveyor – Load receptacle type
Patent
1981-04-30
1983-05-10
Reese, Randolph
Conveyors: fluid current
Intake to fluid current conveyor
Load receptacle type
105282P, 105308E, 292257, 406145, B65G 5350, B61D 722
Patent
active
043827241
ABSTRACT:
An enclosed railroad hopper car has a valve that controls the discharge of the commodity it carries. The valve is opened and closed by an operating mechanism that is subjected to vibration and inertial forces during transit. This can jar open the valve. A cap for the discharge hopper outlet opening interlocks with the valve operating mechanism when the valve is closed so as to prevent the valve from opening. The cap is held in its open position by a trap that prevents it from swinging closed while the car is being unloaded.
REFERENCES:
patent: 3527503 (1970-09-01), Mundinger
patent: 3588181 (1971-06-01), Nagy
patent: 3637262 (1972-01-01), Adler
patent: 3797891 (1974-03-01), Fritz
patent: 4062596 (1977-12-01), Kull
patent: 4312607 (1982-01-01), Van Auken
Hubbuch David F.
Reese Randolph
Union Tank Car Company
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