Pilot valve including a hydraulically actuated detent

Details Pilot valve including a hydraulically actuated detent Pilot valve including a hydraulically actuated detent

1983-09-19

1985-07-23

Walton, George L.

Fluid handling

Systems

With selective motion for plural valve actuator

91426, 74471XY, 137596, 251 94, F15B 1526, F15B 1301

Patent

active

045303762

ABSTRACT:
A pilot valve having a universally tiltable joy stick further includes a cam attached to said joy stick and movable therewith. A plunger is selectively movable into engagement with the cam for latching the joy stick in a selected one position. Fluid is supplied to the plunger for developing a force acting thereon to move the plunger into engagement with the cam. The fluid force is eliminated and the plunger disengaged from the cam to delatch the joy stick.

REFERENCES:
patent: 2958233 (1960-11-01), Johnson
patent: 3301136 (1967-01-01), Bolton et al.
patent: 3721160 (1973-03-01), Kittle
patent: 3972264 (1976-08-01), Field, Jr.
patent: 4103559 (1978-08-01), Kohler
patent: 4339987 (1982-07-01), Stephenson et al.
patent: 4342335 (1982-08-01), Reinicker et al.
patent: 4461320 (1984-07-01), Barbagli

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