Gate control apparatus for refrigerated cargo container

Details Gate control apparatus for refrigerated cargo container Gate control apparatus for refrigerated cargo container

1987-05-04

1988-08-16

Tapolcai, Jr., William E.

Refrigeration

With vehicle feature

60486, 623231, 414558, B60H 132

Patent

active

047634871

ABSTRACT:
A refrigerated mobile cargo container having side and rear platforms for loading and unloading cargo and hydraulic control valves for regulating the raising and lowering of the platforms. Fluid to the control valves can be supplied from either a primary pump system powered by the refrigeration unit prime mover or by a secondary pump system powered by a twelve volt power supply. Each pump system has its own fluid reservoir. Check valves are provided which prevent the fluid from one pump system from being passed into the other pump system.

REFERENCES:
patent: 2914908 (1959-12-01), Memmel
patent: 2916880 (1959-12-01), Hann
patent: 4078676 (1978-03-01), Mortenson
patent: 4220015 (1980-09-01), Johansing, Jr.
patent: 4424673 (1984-01-01), Polanski et al.
patent: 4561250 (1985-12-01), Aoyagi et al.

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