Spray gun for spraying two fluids
AssigneeWanner Engineering, Inc.
InventorsTimothy L. Sebion, Frederick A. Powers, Calvin H. Pasvogel
Life of this patent
Estimating the term…
Abstract
A spray gun includes a barrel portion and a handle portion having a control lever pivotally mounted to a lower end of the handle controlling a valve system. The spray gun includes an interchangeable fitting for receiving two fluid lines. The lever is movable between a first lockable spray position, opening the valve system to spray one fluid, and a second spray position spraying two fluids.
Claims14
A spray gun, comprising:
- valve means for controlling flow of two fluids;
- valve actuation means for actuating the valve means between a first position without flow, a second position wherein a first fluid flows through the gun, a third position wherein a second fluid flows with the first fluid, and a fourth position wherein the valve means is locked with the first fluid flowing through the gun, wherein the valve actuation means comprises a lever pivoting at a lower end thereof and comprising a lock for locking the lever in the fourth position, wherein the lever includes a sliding end member having a tab extending therefrom and the lock includes a catch having an angled portion guiding the tab, wherein the catch engages and retains the tab when the lever is in the fourth position, and wherein the lock includes a ledge engaging the tab when the lever is in the second position, and wherein the tab clears the ledge when the lever is in the third position;
- and,
- biasing means for biasing the lever toward the first position.
A spray gun for spraying a plurality of fluids, comprising:
- valve means for controlling flow of a first fluid and a second fluid;
- a lever for actuating the valve means comprising a first stop for supporting the lever at a first lever position wherein the first fluid is sprayed and a second stop for supporting the lever at a second lever position wherein the first fluid and the second fluid are sprayed;
- wherein the lever comprises a sliding end member slidable between a first position wherein the end member is engageable with the first stop, a second position wherein the end member clears the first stop, and a third position wherein the end member is locked at the first lever position wherein the first fluid is sprayed.
A spray gun having a barrel and a handle extending downward from the barrel for spraying a first fluid and a second fluid, comprising:
- valve means housed in the handle for controlling flow of the first and second fluids actuatable between a first valve position for spraying the first fluid and a second valve position for spraying the first fluid and second fluid;
- fluid receiving means at a rear of the barrel for receiving the first and second fluids;
- and backflow valving means, including a spring loaded ball having an elliptical profile for dampening an initial flow burst when the backflow valving means opens.
Dependencies are inferred from the claim text.