Expansible chamber devices – With releasable stop or latch means to prevent movement of... – Engages member coaxial with and rotatable relative to...
Patent
1982-02-24
1984-08-07
Garrett, Robert E.
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
Engages member coaxial with and rotatable relative to...
92 21MR, 92 25, 92 27, F15B 1526
Patent
active
044636610
ABSTRACT:
Actuator includes a lock mechanism for locking the actuator against movement in one end position, and a separate lock release assembly exteriorly mounted on the side of the actuator housing. The lock release assembly includes a toggle linkage directly engageable with the movable lock part to disengage the lock when a suitable force is applied to the toggle linkage exteriorly of the actuator. A lock spring is located immediately between the movable lock part and actuator piston for resetting the lock as the actuator nears such one end position.
REFERENCES:
patent: 2535588 (1950-12-01), Mead
patent: 2688232 (1954-09-01), Geyer
patent: 2774336 (1956-12-01), Geyer
patent: 2815005 (1957-12-01), Geyer
patent: 3180234 (1965-04-01), Crawley et al.
patent: 3398651 (1968-08-01), Folmer
patent: 3597016 (1971-08-01), Gachot et al.
patent: 3699850 (1972-10-01), Wagner
Garrett Robert E.
Klein Richard L.
Pneumo Corporation
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