Positive quick-connect tube locking construction with preassembl

Details Positive quick-connect tube locking construction with preassembl Positive quick-connect tube locking construction with preassembl

1993-12-02

1994-09-20

Nicholson, Eric K.

Pipe joints or couplings

Essential catch

285319, F16L 3712, F16L 4100

Patent

active

053483537

ABSTRACT:
Connector construction for attachment of a tube to a conduit that has inlet fitting for reception of an end of the tube. The fitting has an opening normal to the inlet fitting to receive a U-shaped spring keeper in selected positions representing a preassembly position, an intermediate position, and an assembled position. Detents on arms of the spring keeper engage guide tracks in the wall of the opening to guide and yieldably hold the keeper in the three positions. Dog-leg ends of arms of the keeper secures the keeper and the tube in an assembled position in the inlet fitting. A semi-cylindrical opening formed in the keeper engages a collar or flanged portion of the tube to ensure that the tube is retained in its axially installed position.

REFERENCES:
patent: 2699915 (1955-01-01), Goepfrich
patent: 3753582 (1973-08-01), Graham
patent: 3929357 (1975-12-01), DeVincent et al.
patent: 4244608 (1981-01-01), Stuemky
patent: 4600221 (1986-07-01), Bimba
patent: 4844515 (1989-07-01), Field
patent: 4993390 (1991-02-01), Ono et al.
patent: 5040512 (1991-08-01), Twilton
patent: 5046765 (1991-09-01), Usui
patent: 5092300 (1992-03-01), Imoehl et al.
patent: 5146896 (1992-09-01), Imoeul et al.
patent: 5152555 (1992-10-01), Szabo
patent: 5167213 (1992-12-01), Bassler et al.

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