Pull-out spray head having reduced play

Details Pull-out spray head having reduced play Pull-out spray head having reduced play

1999-08-23

2001-04-24

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Faucets and spouts

C004S678000, C239S588000

Reexamination Certificate

active

06220297

ABSTRACT:

FIELD OF THE INVENTION
The instant invention relates to faucets having pull-out spray heads or wands, particularly to faucets having pull-out spray heads wherein the pull-out spray heads are securely and firmly seated in the spout or hub with reduced play or wobble.
BACKGROUND OF THE INVENTION
Faucets having pull-out spray heads are well known. The use of kitchen and lavatory faucets with pull-out spray heads has become more widespread. In these faucets the pull-out spray heads or wands are normally seated in the spout or hub of the faucet. Generally, an adapter which is mounted in and extends rearwardly for a short distance out of the handle of the wand is inserted into the hub. The adapter receives the hose and, unless it is formed to be sized just right, it generally does not fit perfectly and tightly into the hub. This results in there being some vertical play or wobble in the adapter and in the wand in which it is disposed. Also, the wand does not fit flush into the hub, and there is an unsightly space between the wand and the hub at the top of the junction of the hub and wand. The present invention remedies this problem by providing a bushing which is mounted on the adapter and allows the adapter to fit securely and snuggly into the spout reducing the play and wobble.
SUMMARY OF THE INVENTION
According to the present invention a bushing is provided on the adapter which is mounted in the wand to keep the wand from wobbling vertically when the wand of a pull-out spray head faucet is seated in the hub. The bushing is comprised of an elastomeric material such as rubber and is disposed in a groove extending around the outer circumference of the adapter. The bushing is generally annular shaped with a plurality of axially extending ribs which are circumferentially spaced apart from each other on the outer side or surface of the bushing. When the adapter is inserted into the hub, the ribs come in contact with the interior surface of the hub, and firmly and tightly hold the wand in place, thereby greatly reducing play and wobble.


REFERENCES:
patent: 2200503 (1940-05-01), Judell et al.
patent: 4761839 (1988-08-01), Ganaway
patent: 5090062 (1992-02-01), Hochstrasser
patent: 5158234 (1992-10-01), Magnenat et al.
patent: 5213268 (1993-05-01), Ganuert et al.
patent: 5361431 (1994-11-01), Freier et al.
patent: 5575424 (1996-11-01), Fleishmann
patent: 5655750 (1997-08-01), Smock et al.
patent: 5934325 (1999-08-01), Brattoli et al.

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