Floor cleaning machine

Patent metadata

Field	Value
Publication number	US-11627855-B2
Application number	US-201916544659-A
Country	US
Kind code	B2
Filing date	Aug 19, 2019
Priority date	Jul 16, 2013
Publication date	Apr 18, 2023
Grant date	Apr 18, 2023

Abstract

A floor cleaning machine including a handle that pivots relative to a base about a pivot axis. A recovery tank is coupled to the handle in fluid communication with a suction motor assembly to receive and store fluid and dirt drawn through a suction nozzle. The floor cleaning machine further includes an expandable hose fluidly communicating the recovery tank and the suction nozzle. The hose is in an expanded configuration when the handle is pivoted about the pivot axis to a reclined position. The hose is in a retracted configuration when the handle is pivoted about the pivot axis to a substantially upright position. The hose at least partially wraps around the pivot axis with the pivot axis being between a portion of the hose wrapped around the pivot axis and the surface being cleaned in the expanded and the retracted configurations.

First claim

What is claimed is:

1. A floor cleaning machine for cleaning a surface, the floor cleaning machine comprising:
a base including a suction nozzle and a distribution nozzle;
a handle pivotably coupled to the base, the handle pivotable relative to the base about a pivot axis;
a supply tank assembly coupled to the handle in fluid communication with the distribution nozzle;
a suction motor assembly in fluid communication with the suction nozzle, the suction motor assembly operable to draw fluid and dirt from the surface through the suction nozzle;
a recovery tank coupled to the handle in fluid communication with the suction motor assembly to receive and store fluid and dirt drawn through the suction nozzle; and
an expandable hose fluidly communicating the recovery tank and the suction nozzle, wherein the hose is in an expanded configuration when the handle is pivoted about the pivot axis to a reclined position, wherein the hose is in a retracted configuration when the handle is pivoted about the pivot axis to a substantially upright position, and wherein the hose at least partially wraps around the pivot axis with the pivot axis being between a portion of the hose wrapped around the pivot axis and the surface being cleaned in the expanded and the retracted configurations.

2. The floor cleaning machine of claim 1 , wherein the handle includes a cylindrically shaped housing wherein the hose at least partially wraps around the cylindrically shaped housing when the hose is in the expanded configuration.

3. The floor cleaning machine of claim 2 , wherein the pivot axis extends through the cylindrically shaped housing.

4. The floor cleaning machine of claim 2 , wherein the pivot axis extends centrally through the cylindrically shaped housing.

5. The floor cleaning machine of claim 2 , wherein the cylindrically shaped housing includes a motor housing, the suction motor assembly positioned in the motor housing.

6. The floor cleaning machine of claim 5 , wherein the hose is slidably engageable with the motor housing when the handle is moved between the substantially upright position and the reclined position.

7. The floor cleaning machine of claim 5 , wherein the hose assumes a substantially arcuate shape when in the expanded configuration to follow the substantially cylindrical shape of the motor housing.

8. The floor cleaning machine of claim 5 , wherein the hose at least partially wraps around a top of motor housing when in the expanded configuration.

9. The floor cleaning machine of claim 1 , wherein the hose wraps around the pivot axis to define a first arc length in the expanded configuration, wherein the hose wraps around the pivot axis to define a second arc length in the retracted configuration, and wherein the first arc length is greater than the second arc length.

10. The floor cleaning machine of claim 1 , wherein the handle further includes a motor housing, the suction motor assembly positioned in the motor housing, wherein the hose at least partially wraps around a top of motor housing portion when in the expanded configuration.

11. The floor cleaning machine of claim 1 , wherein the recovery tank is located below the supply tank assembly.

12. The floor cleaning machine of claim 1 , wherein the recovery tank is coupled between the supply tank assembly and the pivot axis.

13. A floor cleaning machine for cleaning a surface, the floor cleaning machine comprising:
a base including a suction nozzle and a distribution nozzle;
a handle pivotably coupled to the base, the handle pivotable relative to the base about a pivot axis, the handle including a motor housing having a cylindrical portion and the pivot axis extends through the motor housing;
a supply tank assembly coupled to the handle in fluid communication with the distribution nozzle;
a suction motor assembly in the motor housing, the suction motor assembly in fluid communication with the suction nozzle, the suction motor assembly operable to draw fluid and dirt from the surface through the suction nozzle;
a recovery tank coupled to the handle in fluid communication with the suction motor assembly to receive and store fluid and dirt drawn through the suction nozzle; and
an expandable hose fluidly communicating the recovery tank and the suction nozzle, wherein the hose is in an expanded configuration when the handle is pivoted about the pivot axis to a reclined position, wherein the hose is in a retracted configuration when the handle is pivoted about the pivot axis to a substantially upright position, and wherein the hose at least partially wraps around a top of the cylindrical portion of the motor housing in the expanded configuration.

14. The floor cleaning machine of claim 13 , wherein the hose at least partially wraps around the pivot axis in the expanded and the retracted configurations.

15. The floor cleaning machine of claim 13 , wherein the pivot axis extends centrally through the cylindrical portion of the motor housing.

16. The floor cleaning machine of claim 13 , wherein the hose at least partially wraps around the pivot axis with the pivot axis being between a portion of the hose wrapped around the pivot axis and the surface being cleaned in the expanded and the retracted configurations.

17. The floor cleaning machine of claim 13 , wherein the hose is slidably engageable with the motor housing when the handle is moved between the substantially upright position and the reclined position.

18. The floor cleaning machine of claim 13 , wherein the hose assumes a substantially arcuate shape when in the expanded configuration to follow the substantially cylindrical shape of the cylindrical portion of the motor housing.

19. The floor cleaning machine of claim 13 , wherein the hose wraps around the cylindrical portion of the motor housing to define a first arc length in the expanded configuration, wherein the hose wraps around the cylindrical portion of the motor housing to define a second arc length in the retracted configuration, and wherein the first arc length is greater than the second arc length.

20. The floor cleaning machine of claim 13 , wherein the recovery tank is located below the supply tank assembly.

Assignees

• Techtronic Ind Co Ltd

Inventors

• Vail Kevin
• Burnham Gavin
• Marsden Jennifer Kathryn
• Bantum John

Classifications

• A47L11/4083

  Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices · CPC title

• A47L11/34

  Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam · CPC title

• A47L7/0004

  Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners (floor-scrubbing machines taking-up dirty liquid by suction A47L11/30) · CPC title

• A47L5/32

  with means for connecting a hose (hose couplings for suction cleaners A47L9/24) · CPC title

• A47L9/248

  Parts, details or accessories of hoses or pipes (nozzles A47L9/02) · CPC title