Hydraulic system control means

Details Hydraulic system control means Hydraulic system control means

1978-09-29

1980-12-02

Paperner, L. J.

Land vehicles: dumping

Tilting

Operating mechanism

74502, 74531, B60P 116

Patent

active

042367573

ABSTRACT:
In a control for use in a hydraulic system of the type which includes a hydraulic cylinder arranged to raise and lower a load such as a dump bed of a vehicle, wherein the hydraulic system is actuated for raising and lowering the dump bed upon axial displacement of a rod member contained within an outer conduit from a neutral position in first and second respective axial directions and wherein the hydraulic system is deactivated upon the rod member being in the neutral position. The control includes a tubular member which is adapted to be connected to the outer conduit, a control knob, and a rigid inner member partially within the tubular member having a first end connected to the rod member and a second end supporting the control knob. A latch supported by the tubular member is arranged for releasably locking the inner member in a neutral position with respect to the tubular member for precluding inadvertent axial displacement of the rod member from the neutral position.

REFERENCES:
patent: 2126234 (1938-08-01), Weber
patent: 2172294 (1939-09-01), Riddell
patent: 2805584 (1957-09-01), Hinsey
patent: 3826156 (1974-07-01), Dornaus
patent: 4029359 (1977-06-01), Glomski

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