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US 6,708,900 B1Granted
HVLP spray gun
AssigneeGraco Minnesota Inc.
InventorsHeping Zhu, Harold D. Johnson, Steven P. Plager, Dale C. Pemberton, Keith A. Christensen, Vicky J. Lubenow
Life of this patent
Estimating the term…
Abstract
An HVLP spray gun includes a coaxial combination air valve assembly 30 for controlling total air flow as well as pattern air flow which is frictionally retained in the gun body 12.
Claims1
A spray gun having a needle engaging a nozzle and comprising:
- a body having front and rear ends and with a generally cylindrical passage therein, said passage having first and second ends, an air inlet adjacent said first end and first and second air outlets adjacent said second end;
- and
- an air valve assembly, said valve assembly comprising first and second valve members located in said passage, one of said valve members being located so as to selectively occlude said air inlet and the other of said valve members being located so as to selectively occlude one of said air outlets, said other valve member being remote from said needle and nozzle, said valve members being adjacent to and coaxially rotatable relative to each other and each having a manipulable portion outside the rear of said body.
Dependencies are inferred from the claim text.