Quick connect collet retainer with self-centering structure

Details Quick connect collet retainer with self-centering structure Quick connect collet retainer with self-centering structure

2003-12-09

2009-08-25

Bochna, David E (Department: 3679)

Pipe joints or couplings

Essential catch

Resilient ring

C285S307000

Reexamination Certificate

active

07578529

ABSTRACT:
A collet quick connect fluid coupling includes a self-centering structure that is received within a channel (36) in a pilot (32). The channel and self-centering leg (28) ensures the collet (26) is approximately centered within the housing (22) as a tube (38) is moved into the housing. This prevents misalignment of the collet relative to the tube (38). In a preferred embodiment, the collet (26) has a ramp (30) on an inwardly facing surface that cams along a surface on the pilot (32), assisting the collet (26) in expanding when a tube (38) is moved into a housing (22).

REFERENCES:
patent: 4216982 (1980-08-01), Chow
patent: 4850622 (1989-07-01), Suzuki
patent: 4889368 (1989-12-01), Laipply
patent: 5005877 (1991-04-01), Hayman
patent: 5443289 (1995-08-01), Guest
patent: 5887911 (1999-03-01), Kargula
patent: 6857667 (2005-02-01), Malone
Written Opinion dated Jul. 30, 2008.

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