Apparatus and method for hydraulically controlling a vehicle...

Details Apparatus and method for hydraulically controlling a vehicle... Apparatus and method for hydraulically controlling a vehicle...

2007-01-23

2007-01-23

Keenan, James W. (Department: 3652)

Motors: expansible chamber type

Plural relatively movable or rigidly interconnected working...

With means to control the working fluid to one working...

C414S401000

Reexamination Certificate

active

10254639

ABSTRACT:
A valve circuit, including a first and second circuit portion, for hydraulically controlling a loading dock vehicle restraint. The first circuit portion permits raising and lowering of the vehicle restraint. The second circuit portion permits extension and retraction of the vehicle restraint. Preferably, the first and second circuit portion are separate and are configured on the same valve block.

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