Manually operated control valve on a pneumatic device

Details Manually operated control valve on a pneumatic device Manually operated control valve on a pneumatic device

1986-06-27

1988-04-19

Chambers, A. Michael

Valves and valve actuation

With means for blocking or disabling actuator

Latch manipulator mounted on handle or stem

251294, 464 88, F15B 1304

Patent

active

047384298

ABSTRACT:
The invention concerns a manually operated control valve on a pneumatically or hydraulically operated equipment which has a control shaft positioned substantially in a horizontally oriented direction. By turning the control shaft to and fro against an increasing resistance the attached motor of the equipment will turn in one direction or in the other direction. The control shaft is provided with a hose or a piece of hose together with an extension in the shape of a tube or the like, and the hose serves as a universal joint which retains its operating properties independently of any bending of the hose due to position changes of the equipment.

REFERENCES:
patent: 2409385 (1940-10-01), Pletcher
patent: 2870468 (1959-01-01), Barel
patent: 3212240 (1965-10-01), Walden
patent: 3285288 (1966-11-01), Irwin et al.
patent: 3596875 (1971-08-01), Couper
patent: 4203468 (1980-05-01), Dietz
patent: 4274445 (1981-06-01), Cooper
patent: 4338827 (1982-07-01), Hooker

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