Spray gun for spraying paints and other coatings

Patent metadata

Field	Value
Publication number	US-11772117-B2
Application number	US-202017119179-A
Country	US
Kind code	B2
Filing date	Dec 11, 2020
Priority date	Dec 31, 2019
Publication date	Oct 3, 2023
Grant date	Oct 3, 2023

Abstract

A spray gun includes a gun body and a handle removably connected to the gun body. A filter is disposed in the handle for filtering particulate from the spray fluid. A trigger guard is connected to the handle and gun body and includes a contour on a lower portion of the trigger guard for receiving one or more fingers of the user that are not interfacing with and contacting the trigger. The trigger guard can be disconnected from the gun body and rotated relative to the handle. The trigger guard can contact a portion of the handle and exert torque on the handle to connect the handle to and disconnect the handle from the gun body. The portion of the handle at least partially covers a fitting connecting to the handle to provide spray fluid to the spray gun.

First claim

The invention claimed is:

1. A spray gun comprising:
a gun body;
a trigger connected to the gun body and configured to actuate a valve to control spraying by the spray gun;
a handle extending from the gun body, the handle having a front side and a rear side; and
a trigger guard extending between the gun body and the handle the trigger guard including a lower portion extending from the handle,
wherein the gun body, the handle, and the trigger guard extend around and define an area within which a pull of the trigger is disposed;
wherein the trigger guard includes a contour formed in the lower portion and disposed proximate the handle, the contour configured to receive at least one finger of the user disposed outside of the area; and
wherein the contour is formed in the lower portion of the trigger guard by the lower portion extending outwards away from the handle, then upwards towards the area within which the pull of the trigger is disposed, then downwards away from the area which the pull of the trigger is disposed.

2. The spray gun of claim 1 , wherein the contour comprises a first leg along which the trigger guard bends upwards toward the trigger, a third leg along which the trigger guard bends downwards away from the trigger, and a second leg joining the first leg and the third leg, wherein the first leg, the second leg, and the third leg are located below the trigger such that the contour projects upwards toward the trigger.

3. The spray gun of claim 2 , wherein the first leg is longer than either of the second leg and the third leg.

4. The spray gun of claim 1 , wherein the trigger guard includes:
an upper portion connected to the gun body;
the lower portion secured to the handle; and
an intermediate portion extending between and connecting the upper portion and the lower portion;
wherein the contour is formed in the lower portion.

5. The spray gun of claim 1 , wherein a first portion of the contour is disposed above a bottom edge of the handle and a second portion of the contour is disposed below the bottom edge of the handle.

6. The spray gun of claim 5 , further comprising:
a tail extending downward from a rear side of the handle, the tail at least partially covering a fitting connected to a lower end of the handle;
wherein the contour is disposed on an opposite side of the fitting from the tail.

7. The spray gun of claim 1 , further comprising:
a fitting connected to a lower end of the handle and configured to provide fluid to a flowpath through the handle; and
a tail projecting from the lower end of the handle and partially covering the fitting.

8. The spray gun of claim 7 , wherein the rear side of the handle includes an exterior contour extending onto an exterior surface of the tail.

9. The spray gun of claim 7 , wherein the tail includes an arcuate inner side facing the fitting.

10. The spray gun of claim 9 , wherein the arcuate inner side extends along an arc between 170-190 degrees, inclusive.

11. The spray gun of claim 10 , wherein the arc is between 180-185 degrees, inclusive.

12. The spray gun of claim 7 , wherein the tail is integrally formed with the handle.

13. The spray gun of claim 7 , wherein the fitting includes a tool interface having a faceted exterior surface, and wherein the tail extends below the tool interface such that the tail has a length greater than a length of the tool interface.

14. The spray gun of claim 7 , wherein:
the tail extends between a first tail end and a second tail end;
the first tail end includes a first flat surface; and
the second tail end includes a second flat surface.

15. The spray gun of claim 14 , wherein the first flat surface includes an upper width adjacent the lower end of the handle and a lower width at a distal end of the tail, and wherein the upper width is larger than the lower width.

16. The spray gun of claim 7 , wherein the tail has a first length, wherein a portion of the handle extending between the gun body and the tail has a second length, and wherein the first length is smaller than the second length.

17. The spray gun of claim 7 , wherein the trigger guard is rotatable about the handle, the tail is configured to prevent the trigger guard from completing a full rotation about the handle, and the trigger guard can exert torque on the handle by an interface between the trigger guard and the tail to connect and disconnect the handle from the gun body.

18. A spray gun comprising:
a gun body;
a trigger connected to the gun body and configured to actuate a valve to control spraying by the spray gun;
a handle extending from the gun body, the handle having a front side and a rear side; and
a trigger guard extending between and connected to the gun body and the handle,
wherein the gun body, the handle, and the trigger guard define an area within which a pull of the trigger is disposed;
wherein the trigger guard includes an upper portion connected to the gun body, a lower portion secured to the handle, an intermediate portion extending between and connecting the upper portion and the lower portion, and a contour formed in the lower portion and configured to receive at least one finger of the user disposed outside of the area, wherein the contour is disposed proximate the handle;
wherein the contour includes a first leg, a second leg extending from the first leg, and a third leg extending from the second leg, and wherein the contour projects into the area; and
wherein the lower portion further includes a fourth leg extending from the intermediate portion to the first leg and a fifth leg extending from the third leg to a ring of the lower portion secured to the handle.

19. A spray gun comprising:
a gun body;
a trigger connected to the gun body and configured to actuate a valve to control spraying by the spray gun;
a handle extending from the gun body along a handle axis, the handle having a front side and a rear side;
a trigger guard extending between and connected to the gun body and the handle;
a fitting connected to a lower end of the handle and configured to provide fluid to a flowpath through the handle; and
a tail projecting from the lower end of the handle and partially covering the fitting;
wherein the gun body, the handle, and the trigger guard extend around and define an area within which a pull of the trigger is disposed;
wherein the trigger guard includes a contour disposed proximate the handle, the contour configured to receive at least one finger of the user disposed outside of the area; and
wherein the trigger guard is rotatable about the handle axis, the tail is configured to prevent the trigger guard from completing a full rotation about the handle axis, and the trigger guard can exert torque on the handle by an interface between the trigger guard and the tail to connect and disconnect the handle from the gun body.

20. A spray gun comprising:
a gun body;
a trigger connected to the gun body and configured to actuate a valve to control spraying by the spray gun;
a handle extending from the gun body, the handle having a front side and a rear side; and
a trigger guard extending between the gun body and the handle, the trigger guard including a lower portion extending outward from the handle,
wherein the gun body, the handle, and the trigger guard extend around and define an area within which a pull of the trigger is disposed;
wherein the trigger guard includes a contour formed in the lower portion and disposed proximate the handle, the contour configured to receive at least one finger o

Assignees

• Graco Minnesota Inc

Inventors

• Shultz Mark D
• Becker Steven D
• Mulgrew Brian M
• Sterner Tyler F

Classifications

• B05B1/3046

  the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice (B05B1/308 takes precedence) · CPC title

• B05B9/01 Primary

  Spray pistols, {discharge devices}(B05B9/03 takes precedence) · CPC title

• B05B15/14 Primary

  Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts · CPC title

• B05B12/002

  Manually-actuated controlling means, e.g. push buttons, levers or triggers (for single units B05B11/00) · CPC title

• B05B15/63 Primary

  Handgrips · CPC title