Water sprayer having water control device

Details Water sprayer having water control device Water sprayer having water control device

2006-04-11

2006-04-11

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow line or nozzle attached or carried handgrip or handle

Pistol grip type

C239S525000, C239S569000, C239S581100, C239S581200

Reexamination Certificate

active

07025291

ABSTRACT:
A water sprayer includes a handle having a passage, a housing having a pathway and a chamber communicating with the passage and a passageway communicating with the chamber and the pathway of the housing, to form a valve seat between the passageway and the pathway of the housing. A stem is rotatably and slidably received in the passageway and the chamber of the housing, and includes a block having a groove for selectively communicating with the passage of the handle. The block includes a channel formed by a swelling and having an opening selectively communicating with the pathway of the housing when the stem is rotated relative to the housing, to control a water flowing through the housing.

REFERENCES:
patent: 2416719 (1947-03-01), Stockdale
patent: 3765607 (1973-10-01), Pacht
patent: 4483483 (1984-11-01), Grime
patent: 6390390 (2002-05-01), Hung
patent: 6702206 (2004-03-01), Wu

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