Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Pistol grip type
Reexamination Certificate
2001-04-24
2003-09-16
Douglas, Lisa A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
Pistol grip type
C239S532000, C239S581100
Reexamination Certificate
active
06619569
ABSTRACT:
RELATED APPLICATIONS
BACKGROUND OF THE INVENTION
A conventional pole gun is designed to allow a painter to spray paint or stain on high surfaces without the use of a ladder. The pole gun has a trigger mechanism connected to a full-length needle that is located at the tip to minimize the paint from spitting and dripping and provides a sharp spray pattern. The servicing and adjusting of the long needle is very difficult for the operator.
SUMMARY OF THE INVENTION
The extended reach pressure relief spray valve is used to apply paint, varnish or coating to out-of-reach areas easily. The mechanism converts any standard spray gun and extension pole into a pole gun. This dual use eliminates the need for a dedicated pole gun. Also, there are no long needles to replace and no complicated adjustments to be made by the user.
These and other objects and advantages of the invention will appear more fully from the following description made in conjunction with the accompanying drawings wherein like reference characters refer to the same or similar parts throughout the several views.
REFERENCES:
patent: 1605185 (1926-11-01), Heinrich
patent: 1960724 (1934-05-01), Bramsen
patent: 4013225 (1977-03-01), Davis
patent: 4516724 (1985-05-01), Hellman
patent: 4660771 (1987-04-01), Chabert et al.
patent: 5253808 (1993-10-01), Pacht
patent: 5330108 (1994-07-01), Grime et al.
patent: 5332159 (1994-07-01), Grime et al.
patent: 5711485 (1998-01-01), Wheeler
Douglas Lisa A.
Farrow Douglas B.
Graco Minnesota Inc.
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