Pullout spray head docking collar with enhanced retaining force

Details Pullout spray head docking collar with enhanced retaining force Pullout spray head docking collar with enhanced retaining force

2005-01-25

2005-01-25

Huson, Gregory L. (Department: 3751)

Baths, closets, sinks, and spittoons

Supply outlet for a sink or bath

Faucet or spout

C004S675000, C004S676000, C004S615000

Reexamination Certificate

active

06845526

ABSTRACT:
A faucet has a spout and a pullout spray head connected to a flexible water supply tube and releasably connectable to the spout. The spout has a docking collar mounted thereon for receiving a connecting shaft of the spray head. The docking collar has an annular wall with a plurality of U-shaped slots which define a plurality of cantilevered snap fingers. Each snap finger includes a projection that fits into a groove in the connecting shaft when the spray head is docked. An elastomeric O-ring surrounds the annular wall at a point where the O-ring engages the snap fingers to bias them toward the groove. Ridges on the exterior surface of the wall retain the O-ring in place. The spout and docked spray head have parallel shoulders that define a mating plane. The projections and groove define a retaining plane. The mating plane is not parallel to the retaining plane such that rotation of the spray head about an axis normal to the mating plane will cause the projections to release from the groove.

REFERENCES:
patent: 3087746 (1963-04-01), Hamilton et al.
patent: 4062573 (1977-12-01), Fleischer
patent: 6672628 (2004-01-01), Thomas et al.
patent: 3138414 (1983-04-01), None
patent: 3339849 (1985-05-01), None
patent: 0486000 (1992-05-01), None
Grohh, Ladylux Plus 33 737 Pull-out Spray.

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