Electric line striper

• US 10,392,757 B2
• Filed: 01/09/2018
• Issued: 08/27/2019
• Est. Priority Date: 01/09/2017
• Status: Active Grant

• Current Assignee: Graco Minnesota Incorporated (Graco Incorporated)
• Original Assignee: Graco Minnesota Incorporated (Graco Incorporated)
• Inventors: Shultz, Mark D., Larsen, David M., Schroeder, James C.
• Primary Examiner(s): Risic, Abigail A
• Application Number:
  US15/865,510
• Publication Number:
  US 20180195241A1
• Time in Patent Office: 595 Days
• CPC Class Codes: A63C 2019/067 Machines for marking
• CPC Class Codes: B05B 12/002 Manually-actuated controlling means, e.g. push buttons, levers or triggers for single units B05B11/00
• CPC Class Codes: B05B 13/005 mounted on vehicles or designed to apply a liquid on a very large surface, e.g. on the road, on the surface of large containers
• CPC Class Codes: B62D 63/02 Motor vehicles
• CPC Class Codes: E01C 23/0993 for forming or installing surface markings or signals in the paving, e.g. grooving for striping or for producing rumble strips, forming marker-receiving recesses E01C23/0946 takes precedence
• CPC Class Codes: E01C 23/163 for marking-out the location of the markings; Guiding or steering devices for marking apparatus, e.g. sights
• CPC Class Codes: E01C 23/166 Means for dispensing particulate material on to freshly applied markings or into the marking material after discharge thereof, e.g. reflective beads, grip-improving particles
• CPC Class Codes: E01C 23/22 by spraying E01C23/206 takes precedence
• CPC Class Codes: E01C 23/222 specially adapted for automatic spraying of interrupted, individual or variable markings

Abstract

A line striper for ground marking with a sprayable fluid includes a horizontal frame, a front wheel mounted to the horizontal frame, a left rear wheel and a right rear wheel mounted to the horizontal frame, a rear axle extending from one or both of the left rear wheel and the right rear wheel, a mounting arm assembly connected to the horizontal frame, a spray gun mounted on the mounting arm assembly and positioned for spraying the ground, a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun, and a fluid reservoir support stage removably positioned over the horizontal frame.

Claims

1. A line striper for ground marking with a sprayable fluid, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from one or both of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a fluid reservoir support stage removably positioned over the horizontal frame, wherein the stage is positioned on the horizontal frame above the rear axle and extends rearward of the rear axle.

2. The line striper of claim 1, further including a fluid reservoir positioned on the stage.

3. The line striper of claim 1, and further including a battery bay below the stage configured to hold at least one battery, wherein the stage covers the battery bay and is removable to expose the battery bay.

4. The line striper of claim 1, wherein the horizontal frame further includes:

a left side section; and

a right side section opposite the left side section;

wherein the stage rests on the left side section and the right side section.

5. The line striper of claim 1, wherein the stage includes a wire frame ring shaped to surround a fluid reservoir.

6. A line striper for ground marking with a sprayable fluid, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from one or both of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a fluid reservoir support stage removably positioned over the horizontal frame, wherein the stage includes;

a planar base having a front end, a rear end, a left lateral side, and a right lateral side;

a front flange extending from the front end of the base;

a left flange extending from the left lateral side of the base; and

a right flange extending from the right lateral side of base;

wherein the front flange, the left flange, and the right flange extend over and wrap partially around the horizontal frame.

7. The line striper of claim 6, further including:

a fastener extending into the left flange and the horizontal frame; and

a fastener extending into the right flange and the horizontal frame.

8. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a battery bay including a rear compartment, the rear compartment located entirely rearward of the rear axle and having space for holding a battery of the at least one battery.

12. The line striper of claim 8, further including:

a fluid reservoir support stage removably positioned on the horizontal frame; and

a fluid reservoir positioned on the stage such that the fluid reservoir is above the rear axle.

9. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a battery bay including a rear compartment, the rear compartment located rearward of the rear axle and having space for holding a battery of the at least one battery, wherein the battery bay includes a forward compartment located forward of the rear axle and having space for holding a second battery, wherein the rear compartment and the forward compartment are equidistant from the rear axle.

10. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun;

a battery bay including a rear compartment, the rear compartment located rearward of the rear axle and having space for holding a battery of the at least one battery; and

an inverter positioned within the horizontal frame forward of the rear axle.

11. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun;

a battery bay including a rear compartment, the rear compartment located rearward of the rear axle and having space for holding a battery of the at least one battery; and

an underside support connected to the horizontal frame and forming a bottom portion of the battery bay.

13. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a battery bay located directly between the left rear wheel and the right rear wheel, wherein the battery bay is a space for holding the at least one battery and extends partially below the rear axle.

15. The line striper of claim 13, wherein the battery bay includes a rear compartment rearward of the rear axle for holding a first battery.

14. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a battery bay located directly between the left rear wheel and the right rear wheel, wherein the battery bay is a space for holding the at least one battery, wherein a bottom portion of the battery bay is formed by an underside support connected to the horizontal frame, the underside support extending below the horizontal frame and the rear axle such that the bottom portion of the battery bay is below the horizontal frame and the rear axle.

16. A line striper for ground marking with a sprayable fluid, the line striper powered by at least one battery, the line striper comprising:

a horizontal frame;

a front wheel mounted to the horizontal frame;

a left rear wheel and a right rear wheel mounted to the horizontal frame;

a rear axle extending from at least one of the left rear wheel and the right rear wheel;

a mounting arm assembly connected to the horizontal frame;

a spray gun mounted on the mounting arm assembly and positioned for spraying the ground;

a pump mounted on the horizontal frame, the pump configured to pump the sprayable fluid to the spray gun; and

a battery bay that extends partially below the rear axle, wherein the battery bay is a space for holding the at least one battery.

17. The line striper of claim 16, wherein a bottom portion of the battery bay extends below the horizontal frame and the rear axle, such that each of the at least one battery is positioned partially above and partially below a bottom of the horizontal frame and partially above and partially below the rear axle when the first battery is placed in the battery bay.

18. The line striper of claim 16, further including:

a fluid reservoir support stage removably positioned on the horizontal frame; and

a fluid reservoir positioned on the stage such that the fluid reservoir is above the rear axle and the horizontal frame.

19. The line striper of claim 16, further including a motor positioned above a bottom of the horizontal frame and above the rear axle;

wherein the pump is connected to the motor and positioned above the bottom of the horizontal frame and above the rear axle.