System for handling a tool at a vehicle

Details System for handling a tool at a vehicle System for handling a tool at a vehicle

2007-05-01

2007-05-01

Lopez, F. Daniel (Department: 3745)

Motors: expansible chamber type

With motive fluid valve

Independent control of bypass between opposed working chambers

Reexamination Certificate

active

10908141

ABSTRACT:
The invention relates to a system for handling an implement on a vehicle which comprises a frame. The system comprises a lifting apparatus arranged between the frame and the implement for raising and lowering the implement in relation to the frame, a pump (11) coupled to the lifting apparatus for supplying this with a fluid in order to produce said movements, and an operating valve (10) arranged between the pump and the lifting apparatus for controlling the flow of said fluid to the of said fluid to and from the lifting apparatus. The system further comprises a control device (9) which is designed to disconnect the control of the lifting apparatus via said fluid. The control device is coupled in such a way to an operating element814) arranged in the vehicle cab (13) that control of the control device via the operating element is permitted independently of the control of the operating valve.

REFERENCES:
patent: 3630121 (1971-12-01), Landaeus et al.
patent: 4024796 (1977-05-01), Theobald
patent: 5293944 (1994-03-01), Matsumoto
patent: 5351601 (1994-10-01), Zeuner et al.
patent: 5353686 (1994-10-01), Nakamura
patent: 5622226 (1997-04-01), Hausman et al.
patent: 0608096 (1994-07-01), None

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