IP Library Granted Patent US 9,730,566
Granted Patent B2
US 9,730,566 · App. 15/248,560 · Granted Aug 15, 2017

Floor treatment apparatus

Inventors: Roger Pedlar (Lakewood, CO); Daniel Pearson (Englewood, CO); Eric L. Shark (Littleton, CO); Daniel C. Venard (Centennial, CO); Brian J. Doll (Denver, CO); Rusty Simmon (Littleton, CO); Nevin Green (Highlands Ranch, CO); Loi X. Tran (Highlands Ranch, CO); Robert S. Gorsky (Highlands Ranch, CO)
Assignee: Kärcher North America, Inc.
A47L11/4061A47L11/24A47L11/305A47L11/34A47L11/4016A47L11/4038A47L11/4041A47L11/4044A47L11/4066A47L11/4083A47L11/4088B08B3/026B60L3/00B60L7/24B60L11/1877B60L15/2018B08B2203/027B08B2203/0217B60L2200/40B60L2240/12B60L2270/142B60L2270/145Y02T10/645Y02T10/705Y02T10/7005Y02T10/72Y02T10/7275
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Quick Facts
Patent No.
US 9,730,566
App. No.
15/248,560
Granted
Aug 15, 2017
Kind
B2
Abstract

The present invention relates generally to an apparatus for cleaning or otherwise treating a floored surface that includes a platform adapted to support the weight of an operator. In addition, one embodiment of the present invention is capable of generally performing 360° turns to facilitate the treatment of difficult to access portions of the floored surface.

Claims (66)

1. A floor treatment apparatus, comprising:

a chassis comprising a front, a back, a lower surface, a front surface adjacent the front, an upper surface, a rear surface located substantially behind a center point of the chassis, a left surface, and a right surface;

a platform located partially between a portion of the right surface and the left surface and at least partially behind the rear surface, wherein the platform includes a top surface adapted to receive the feet of an operator;

a throttle and an operator presence device associated with a portion of the top surface;

one or more batteries electrically connected to an electric monowheel drive;

a steering mechanism associated with the chassis and having a portion accessible to an operator; and

a floor treating device connected adjacent to the lower surface of the chassis, the floor treating device configured to scrub floors, clean carpets, vacuum floors, wax floors, burnish floors, remove wax from a floor, or remove varnish from a floor.

2. The floor treatment apparatus of claim 1 , wherein the chassis has a maximum outside envelope of about 51 inches high, 27 inches wide, and 52 inches long.

3. The floor treatment apparatus of claim 1 , wherein the top surface of the platform includes one or more protrusions.

4. The floor treatment apparatus of claim 1 , further including a switch to set a speed range wherein no degree of throttle engagement will cause the floor treatment apparatus to exceed the speed range.

5. The floor treatment apparatus of claim 1 , wherein a portion of the electric monowheel drive is positioned below at least a portion of the top surface of the platform.

6. The floor treatment apparatus of claim 1 , further including a clean fluid storage compartment in operable communication with a fluid dispenser.

7. The floor treatment apparatus of claim 1 , further including a spent fluid storage compartment in operable communication with a fluid collection system.

8. The floor treatment apparatus of claim 1 , further including one or more tip over stops.

9. The floor treatment apparatus of claim 1 , further including a hose in fluid communication with a spent fluid storage compartment, at least a portion of which is positioned outside of the chassis.

10. The floor treatment apparatus of claim 1 , wherein the throttle comprises a pedal that protrudes above the top surface of the platform and is positioned adjacent the right surface of the chassis.

11. The floor treatment apparatus of claim 1 , further including a member forming a portion of the rear surface, the member being selectively movable wherein when the member is in a first position of use, a top portion of the member is positioned adjacent to the upper surface, and when the member is in a second position of use, a portion of the upper portion of the member is spaced from the upper surface to provide access to an interior portion of the chassis.

12. The floor treatment apparatus of claim 1 , further including a second and a third wheel and wherein the electric monowheel drive is substantially centered between the right and left surface of the chassis.

13. The floor treatment apparatus of claim 1 , wherein the throttle is in electrical communication with the electric monowheel drive.

14. The floor treatment apparatus of claim 1 , wherein a control panel is positioned on the chassis and located below a portion of the steering mechanism.

15. The floor treatment apparatus of claim 1 , further including a vacuum motor connected to a squeegee assembly.

16. The floor treatment apparatus of claim 1 , further comprising a squeegee operatively interconnected to the lower surface and capable of a first position of use spaced a predetermined distance from a surface being cleaned and a second position of use wherein the squeegee contacts the surface being cleaned.

17. The floor treatment apparatus of claim 16 , wherein the squeegee is connected to an assembly that comprises at least one of a plurality of clearance wheels or side rollers.

18. The floor treatment apparatus of claim 16 , wherein the squeegee is located between the front of the chassis and the electric monowheel drive.

19. A floor treatment apparatus, comprising:

a chassis having a front, a back, a lower surface, a front surface adjacent the front, a rear surface located substantially behind a center point of the chassis, a left surface, and a right surface;

a first wheel operably interconnected to the lower surface adjacent to the left surface;

a second wheel operably interconnected to the lower surface adjacent the right surface;

a platform adapted to support an operator's weight communicated to the platform through the operator's feet, the platform located at least partially between the right and left surface and substantially behind the rear surface;

an electric monowheel drive operably interconnected to the lower surface and in operative communication with one or more batteries;

a steering mechanism, at least partially housed within the chassis, operably interconnected to at least one of the first, second, and the electric monowheel drive; and

a floor treating mechanism selectively interconnected to the lower surface, the floor treating mechanism configured to scrub floors, clean carpets, vacuum floors, wax floors, burnish floors, remove wax from a floor, or remove varnish from a floor.

20. The floor treatment apparatus of claim 19 , wherein the chassis has a maximum outside envelope of about 51 inches high, 27 inches wide, and 52 inches long.

21. The floor treatment apparatus of claim 19 , wherein the platform includes a throttle and an operator presence switch.

22. The floor treatment apparatus of claim 19 , wherein a top surface of the platform includes one or more protrusions.

23. The floor treatment apparatus of claim 19 , further comprising one or more tip over stops.

24. The floor treatment apparatus of claim 19 , further comprising a hose in fluid communication with a spent fluid storage compartment, wherein at least a portion of the hose is positioned outside of the chassis.

25. The floor treatment apparatus of claim 19 , further including a rotatable member forming a portion of the rear surface, the rotatable member being selectively movable wherein in a first position of use a top portion of the rotatable member is positioned adjacent to the upper surface, and in a second position of use a portion of the upper portion of the rotatable member is spaced from the upper surface to provide access to an interior portion of the chassis.

26. The floor treatment apparatus of claim 19 , further including a rotatable squeegee capable of a first position of use positioned a predetermined distance from a surface being cleaned and a second position of use substantially on the surface being cleaned and wherein the squeegee is located between the front of the chassis and the electric monowheel drive.

27. The floor treatment apparatus of claim 19 , wherein the electric monowheel drive is at least partially positioned beneath a portion of a top surface of the platform.

28. The floor treatment apparatus of claim 27 , wherein the electric monowheel drive is substantially centered between the right and left surface of the chassis.

29. A floor treatment apparatus, comprising:

a chassis comprising a front, a back, a lower surface, a front surface adjacent the front, an upper surface, a rear surface adjacent the back, a left surface, and a right surface;

a platform located partially between a portion of the right surface and the left surface and at least partially behind the rear surface, wherein the platform includes a top surface adapted to receive the feet of an operator;

a throttle comprised of a pedal that protrudes above the top surface of the platform and is positioned adjacent the right surface of the chassis, and an operator presence device, wherein the top surface of the platform includes one or more protrusions;

a portion of an electric drive motor positioned below at least a portion of the top surface of the platform, interconnected to a first wheel and in communication with the throttle;

one or more batteries electrically connected to the electric drive motor;

a steering mechanism associated with the chassis and having a portion accessible to an operator;

a floor treating device connected adjacent to the lower surface of the chassis, the floor treating device configured to scrub floors, clean carpets, vacuum floors, wax floors, burnish floors, remove wax from a floor, or remove varnish from a floor;

a squeegee operably interconnected to the lower surface and capable of a first position of use spaced a predetermined distance from a surface being cleaned and a second position of use wherein the squeegee contacts the surface being cleaned and positioned between the front of the chassis and the electric drive motor;

a clean fluid storage compartment in operable communication with a fluid dispenser;

a spent fluid storage compartment in operable communication with a fluid collection system;

a hose in fluid communication with the spent fluid storage compartment, wherein at least a portion of the hose being positioned outside of the chassis; and

a panel forming a portion of the rear surface, the panel being selectively movable wherein in a first position of use a top portion of the panel is positioned adjacent to the upper surface, and in a second position of use a portion of the upper portion of the panel is spaced from the upper surface to provide access to an interior portion of the chassis.

30. A floor treatment apparatus, comprising:

a chassis having a front, a back, a lower surface, a front surface adjacent the front, a rear surface adjacent the back, a left surface, and a right surface;

a first wheel operably interconnected to the lower surface adjacent to the left surface;

a second wheel operably interconnected to the lower surface adjacent the right surface;

a platform adapted to support an operator's weight located at least partially between the right and left surface and at least partially behind the rear surface and including a throttle and operator presence switch;

the platform including a top surface having one or more protrusions;

at least a third wheel operably interconnected to the lower surface and in operative communication with a battery-powered power plant that is at least partially positioned beneath the top surface of the platform;

a steering mechanism, at least partially housed within the chassis, operably interconnected to at least one of the first, second and third wheel;

a floor treating mechanism selectively interconnected to the lower surface, the floor treating mechanism configured to scrub floors, clean carpets, vacuum floors, wax floors, burnish floors, remove wax from a floor, or remove varnish from a floor;

a rotatable squeegee capable of a first position of use positioned a predetermined distance from a surface being cleaned and a second position of use substantially on the surface being cleaned and positioned between the front of the chassis and the power plant;

a hose in fluid communication with a spent fluid storage compartment, wherein at least a portion of the hose is positioned outside of the chassis; and

a panel forming a portion of the rear surface and rotatable to provide access to an interior portion of the chassis.

Assignments (4)
CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE NAME PREVIOUSLY RECORDED ON REEL 039698 FRAME 0750. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Oct 12, 2016
From: PEDLAR, ROGER; DOLL, BRIAN J.; SIMMONS, RUSTY; GREEN, NEVIN; PEARSON, DANIEL; TRAN, LOI X.; GORSKY, ROBERT S.; SHARK, ERIC L.; VENARD, DANIEL C.
To: CASTLE ROCK INDUSTRIES, INC.
Reel/Frame 040324/0001 →
CHANGE OF NAME Recorded Oct 12, 2016
From: CASTLE ROCK INDUSTRIES, INC.
To: KARCHER FLOOR CARE, INC.
Reel/Frame 040324/0212 →
MERGER Recorded Oct 12, 2016
From: KARCHER FLOOR CARE, INC.
To: KARCHER NORTH AMERICA, INC.
Reel/Frame 039996/0141 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 12, 2016
From: PEDLAR, ROGER; DOLL, BRIAN J.; SIMMON, RUSTY; GREEN, NEVIN; PEARSON, DANIEL; TRAN, LOI X.; GORSKY, ROBERT S.; SHARK, ERIC L.; VENARD, DANIEL C.
To: KARCHER NORTH AMERICA, INC.
Reel/Frame 039698/0750 →
Continuity (12)
Continuation 15245488 · Aug 24, 2016
Continuation 14643768 · Mar 10, 2015
Continuation 13964046 · Aug 10, 2013
Continuation 13888140 · May 6, 2013
Continuation 13554593 · Jul 20, 2012
Division 11868353 · Oct 5, 2007
Continuation 11059663 · Feb 15, 2005
Continuation In Part 10737027 · Dec 15, 2003
Continuation In Part 10438485 · May 14, 2003
Provisional Application 60545153 · Feb 16, 2004
Provisional Application 60627606 · Nov 12, 2004
Related Publication 20160360942A1 · Dec 15, 2016