Pressure-Siphon Switch for Pneumatic Spray Gun
First Claim
Patent Images
1. An apparatus for use with a paint container, comprising:
- a nozzle configured to receive paint from the paint container;
a housing having a handle, an air inlet, and an air flow path configured to direct air from the inlet into the paint container; and
a valve body configured to open and close the air flow path into the paint container upon moving back and forth between open and closed positions by rotating about an axis while remaining stationary along the axis.
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Accused Products
Abstract
An apparatus for use with a paint container includes a nozzle and a housing. The nozzle receives paint from the container. The housing has a handle, an air inlet, and an air flow path configured to direct air from the inlet into the container. A valve body opens and closes the air flow path into the container upon moving back and forth between open and closed positions. The valve body moves between those positions by rotating about an axis without moving along the axis.
18 Citations
17 Claims
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1. An apparatus for use with a paint container, comprising:
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a nozzle configured to receive paint from the paint container; a housing having a handle, an air inlet, and an air flow path configured to direct air from the inlet into the paint container; and a valve body configured to open and close the air flow path into the paint container upon moving back and forth between open and closed positions by rotating about an axis while remaining stationary along the axis. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus comprising:
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a paint container; a nozzle assembly configured to receive paint from the paint container; a housing having a handle, an air inlet, and an air flow path configured to direct pressurized air from the air inlet into the paint container; and a valve configured to place the paint container in a pressure condition in which the pressurized air is directed to flow into the paint container, to place the paint container in a siphon condition in which the paint container is vented to the atmosphere and the pressurized air is blocked from flowing into the paint container, and to shift the paint container between the pressure condition and the siphon condition by rotating about an axis while remaining stationary along the axis. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13)
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14. An apparatus comprising:
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a nozzle; a housing having a handle, a fluid inlet, and a fluid flow path configured to communicate the inlet with the nozzle; a trigger valve configured to open and close the fluid flow path; and a valve body configured to open and close the fluid flow path separately from the trigger valve upon moving back and forth between open and closed positions by rotating about an axis while remaining stationary along the axis; the valve body having an axially extending air pressure passage configured to move into and out of alignment with the fluid flow path when the valve body rotates into and out of the open position. - View Dependent Claims (15, 16, 17)
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Specification