Pipe joints or couplings – Essential catch – With manipulator
Patent
1992-11-30
1994-06-14
Arola, Dave W.
Pipe joints or couplings
Essential catch
With manipulator
285319, 285921, F16L 37084
Patent
active
053203909
ABSTRACT:
A quick connector includes a male member, a female member and an engager claw member. The male member includes a ring-shaped engager. The female member includes a receiver hole having an opening into which the male member is inserted, a ring-shaped stopper surface disposed oppositely to the opening, and a regulatory inner peripheral surface extending from the periphery of the stopper surface in an axial direction. The engager claw member disposed in the receiver hole of the female member, and it includes a ring-shaped base disposed movably in an axial direction, arms extending from the base to the opening in an axial direction and adapted for being elastically deformable in a radial direction, and a claw disposed so as to extend from each of the arms and adapted for engaging with the engager of the male member. In operation, the claws of the engager claw member are brought into contact with the stopper surface and engaged with the regulatory inner peripheral surface while they are engaged with the engager of the male member. Consequently, the male member in inhibited from displacing not only in an axial direction by the stopper surface, but also in a centrifugal direction by the regulatory inner peripheral surface. Thus, the engaging force associated with the claws is exerted securely, and accordingly the reliability of the quick connector in piping can be improved.
REFERENCES:
patent: 4645246 (1987-02-01), Guest
patent: 4836580 (1989-06-01), Farrell
patent: 4979765 (1990-12-01), Bartholomew
patent: 5042848 (1991-08-01), Shiozaki
patent: 5112086 (1992-05-01), Gruber et al.
patent: 5181751 (1993-01-01), Kitamura
patent: 5193857 (1993-03-01), Kitamura
Kato Kazuhiro
Kitamura Hirokazu
Kodama Tsutomu
Kumagai Toshihiro
Arola Dave W.
Tokai Rubber Industries Ltd.
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