Pipe joints or couplings – Essential catch – Operated by conduit motion
Patent
1990-10-02
1992-04-14
Arola, Dave W.
Pipe joints or couplings
Essential catch
Operated by conduit motion
285314, 285921, 285351, 285331, F16L 4700
Patent
active
051041570
ABSTRACT:
A quick-release connector for a pair of conduits has a tubular male component which has a rear portion insertable into a first conduit, a front portion, an annular external protuberance between the front and rear portions, and several equidistance axially parallel disengaging members which cross the protuberance and have projections at their front ends. A tubular female component of the connector has a rear part which is insertable into the other conduit and a front part with equidistance axially parallel resilient arms, one for each disengaging member. The arms have internal detents which can engage a radial rear flank of the protuberance when the front portion of the male component is inserted into the front part of the female component. The detents can be disengaged from the rear flank of the protuberance in response to rotation of the two components relative to each other so that the detents ride onto the rear sections of the disengaging members behind the radial flank and can be moved axially toward but not over the projections. Complete disengagement of the two components is possible only when the detents are moved beyond the adjacent projections in the circumferential direction of the two components. Proper insertion of the male component into the female component is possible only when the projections can bypass the detents. The maximum width of each projection at least equals the maximum width of the rear section of the corresponding disengaging member.
REFERENCES:
patent: 3588149 (1971-06-01), Demler
patent: 4632433 (1986-12-01), Kimura
patent: 4786085 (1988-11-01), Sauer
patent: 4844512 (1989-07-01), Gahwiler
patent: 4991882 (1991-02-01), Gahwiler
Aberle Tim
Arola Dave W.
Kontler Peter K.
Rasmussen GmbH
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