Apparatus for controlling cargo handling position

Details Apparatus for controlling cargo handling position Apparatus for controlling cargo handling position

1987-03-02

1988-03-29

Nilson, Robert G.

Motors: expansible chamber type

Working member position feedback to motive fluid control

Valve locking means

91461, 414701, F15B 909

Patent

active

047336005

ABSTRACT:
An apparatus for controlling the angular position of the booms of an earthwork vehicle such as a wheeled tractor loader includes a shock absorber, by which the hydraulic pressure to be applied to a cargo handling valve for changing the position of a valve spool therein is lowered so as to lessen the shocks which are felt when the booms come to a stop position.

REFERENCES:
patent: 3924766 (1975-12-01), Canning
patent: 4037519 (1977-07-01), Miller
patent: 4469007 (1984-09-01), Melocik

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