Pipe joints or couplings – Essential catch – With manipulator
Patent
1974-09-27
1976-06-22
Arola, Dave W.
Pipe joints or couplings
Essential catch
With manipulator
285330, 339 91B, F16L 3722
Patent
active
039647714
ABSTRACT:
A push -- pull connector including a sleeve lockable to a spigot by locking balls controlled by a sliding member mounted on the sleeve, wherein the sliding member has a stable locked position and a stable unlocked position, with no intermediate stable position. The stable positions are determined by a resilient ring mounted in a groove on the sleeve and not by any spring action on the balls. The arrangement may be such that the force necessary to move the sliding member from unlocked to locked position is just greater than the force necessary to effect full engagement of the spigot and the sleeve.
REFERENCES:
patent: 2383439 (1945-08-01), Baer
patent: 2565572 (1951-08-01), Prangborn
patent: 3077330 (1963-02-01), Lamphear
patent: 3606402 (1971-09-01), Medney
Arola Dave W.
Compagnie Deutsch
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