Adjustable hydraulic controls for earth-moving equipment

Details Adjustable hydraulic controls for earth-moving equipment Adjustable hydraulic controls for earth-moving equipment

1987-06-25

1989-01-03

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74522, 74525, 74533, 74571M, 180334, G05G 104, G05G 518

Patent

active

047948132

ABSTRACT:
An improved adjustable control device for multi-lever hydraulic controls on earth-moving equipment, which conveniently and easily positions the control levers to accommodate different operators. The device includes a pair of spaced supports, a pair of axially aligned end members each movably mounted on one of the supports, a main shaft extending between the end members used for pivot mounting of the levers, and a device to adjust the end members on the supports. Parts are positioned and arranged such that end member adjustment moves the main shaft vertically, which in turn moves the range of control lever motion force or aft as desired.

REFERENCES:
patent: 3242763 (1966-03-01), Bulhwald
patent: 3373661 (1968-03-01), Reichard
patent: 4348916 (1982-09-01), Shimano
patent: 4505166 (1985-03-01), Tesar
patent: 4611500 (1986-09-01), Nagano

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