Inlet valve assembly for paint sprayer
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United States of America Patent
Stats
-
Aug 4, 1987
Grant Date -
N/A
app pub date -
Aug 18, 1986
filing date -
Aug 18, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Inlet valve assembly for a paint prayer and the like includes an adjustable inlet valve stop movable toward and away from an inlet valve seat to reduce or increase the amount of free movement of the inlet valve for obtaining optimum volumetric efficiency by reducing the back flow through the inlet valve. The adjustable stop includes a rebound spring and a holder therefor which is threadedly mounted, whereby rotation of the holder in opposite directions varies the initial clearance space between the spring and inlet valve when the inlet valve is closed. The holder has a non-circular opening in the center to enable the user to insert a turning wrench or the like therein to turn the holder to the desired adjusted position. Access to the adjustable stop for turning the holder may be obtained by inserting the tool through an outlet valve opening in the sprayer pump upon removal of an outlet valve assembly therefrom. A conical lock spring may be used to frictionally lock the holder in the desired adjusted position.
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Cited Art Landscape
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