Fluid sprinkling – spraying – and diffusing – Selectively usable or variable diverse terminal outlets – Outlet formed between parts mounted for relative movement
Reexamination Certificate
2007-10-23
2009-06-09
Gorman, Darren W (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Selectively usable or variable diverse terminal outlets
Outlet formed between parts mounted for relative movement
C239S391000, C239S437000, C239S456000, C239S458000, C239S525000
Reexamination Certificate
active
07543762
ABSTRACT:
A spraying gun includes a gun body, a first seal ring, a second seal ring, a spraying head, a control pipe, and an outer casing. Thus, the spraying gun can perform an atomized water outlet mode and a linear or horn-shaped water outlet mode. In addition, a user only needs to rotate the control pipe relative to the gun body to switch the two different water outlet modes of the spraying gun, thereby facilitating the user operating the spraying gun. Further, the atomized water outlet mode of the spraying gun can distribute and reduce the water flow rate and the water pressure efficiently, so that the spraying gun is available for a gardening use.
REFERENCES:
patent: 2993655 (1961-07-01), O'Brien
patent: 3001725 (1961-09-01), Lockett
patent: 3746262 (1973-07-01), Bete et al.
patent: 4095747 (1978-06-01), Anderson
patent: 5979800 (1999-11-01), Takagi
patent: 6758413 (2004-07-01), Chen
patent: 7028923 (2006-04-01), Bonzer et al.
patent: 2005/0263623 (2005-12-01), Hofer
Gorman Darren W
Kamrath Alan
Kamrath & Associates PA
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