Hydraulic valve detent mechanism

Details Hydraulic valve detent mechanism Hydraulic valve detent mechanism

1980-10-23

1982-08-03

Walton, George L.

Fluid handling

Systems

With selective motion for plural valve actuator

91465, 74527, 74531, 137596, 1376256, 137868, 251 65, 251297, F16K 1114, F16K 3100

Patent

active

043423353

ABSTRACT:
A hydraulic pilot valve having an improved detent mechanism. The pilot valve includes a pair of lever operated plunger members which operate sliding valve members to control the opening and closing of a pair of work ports. Biasing members urge the plunger members to an extended position so as to maintain contact with the lever, and a pair of detent mechanisms act to hold the respective plunger members in the extended position. Movement of the lever to depress either of the plunger members and thus operate the respective valve members to open either of the work ports allows the respective biasing member to move the other plunger member to its extended position where it is held in place by its respective detent mechanism, thus holding the lever in its cocked position.

REFERENCES:
patent: 3698415 (1972-10-01), Forster et al.
patent: 3766944 (1973-10-01), Distler
patent: 4184512 (1980-01-01), Pignolet
patent: 4296773 (1981-10-01), Harshman

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