Surface cleaning apparatus

Patent metadata

Field	Value
Publication number	US-11096543-B2
Application number	US-202117168895-A
Country	US
Kind code	B2
Filing date	Feb 5, 2021
Priority date	Oct 28, 2015
Publication date	Aug 24, 2021
Grant date	Aug 24, 2021

Abstract

A surface cleaning apparatus includes a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned. The surface cleaning apparatus is further provided with a fluid delivery system comprising a fluid dispenser configured to dispense fluid to a brushroll and at least one fluid delivery channel forming a portion of a fluid delivery pathway. The fluid delivery channel can extend adjacent to a portion of the suction nozzle assembly. An interference wiper interfaces with a portion of the brushroll to remove excess liquid from the brushroll.

First claim

What is claimed is:

1. A surface cleaning apparatus, comprising:
a housing including an upright handle assembly and a base mounted to the upright handle assembly and adapted for movement across a surface to be cleaned;
an agitator provided with the base;
a suction source;
a suction nozzle assembly provided on the base and defining a suction nozzle in fluid communication with the suction source;
a fluid delivery system provided on the housing, the fluid delivery system, comprising:
a fluid supply chamber adapted to hold a supply of liquid;
a fluid dispenser provided on the base in fluid communication with the fluid supply chamber;
a fluid delivery pathway between the fluid supply chamber and the fluid dispenser; and
at least one integrated fluid delivery channel forming a portion of the fluid delivery pathway, the base including the at least one integrated fluid delivery channel provided on the suction nozzle assembly; and

a dual wiper configuration provided with the base and including a first wiper adapted to contact the agitator and a second wiper adapted to contact the surface to be cleaned.

2. The surface cleaning apparatus of claim 1 wherein the first wiper is positioned on a first side of the agitator and the second wiper is located on a second side of the agitator, generally opposite from the first side.

3. The surface cleaning apparatus of claim 2 wherein the agitator comprises a rotating brushroll.

4. The surface cleaning apparatus of claim 3 wherein the first wiper is an interference wiper adapted to interface with a leading portion of the rotating brushroll prior to rotation of the leading portion into contact with the surface to be cleaned.

5. The surface cleaning apparatus of claim 4 wherein the second wiper is a squeegee adapted to contact the surface to be cleaned trailing the rotating brushroll.

6. The surface cleaning apparatus of claim 1 wherein the fluid dispenser comprises at least one outlet orifice in the base and wherein the at least one outlet orifice is oriented to provide fluid onto the agitator.

7. The surface cleaning apparatus of claim 6 wherein the first wiper is an interference wiper provided with the suction nozzle assembly and adapted to interface with a portion of the agitator to at least one of distribute liquid on the agitator or remove excess liquid from the agitator.

8. The surface cleaning apparatus of claim 7 wherein the interference wiper is positioned proximate the suction nozzle.

9. The surface cleaning apparatus of claim 7 wherein the second wiper is a squeegee adapted to direct fluid to a fluid recovery pathway in the base.

10. The surface cleaning apparatus of claim 6 wherein the at least one outlet orifice comprises a first outlet and a second outlet and both the first outlet and the second outlet are configured to dispense fluid onto the agitator.

11. The surface cleaning apparatus of claim 1 wherein the suction nozzle assembly defines a chamber at least partially housing the agitator.

12. The surface cleaning apparatus of claim 11 wherein the fluid dispenser is oriented to spray fluid onto the agitator.

13. The surface cleaning apparatus of claim 1 , further comprising a pivotable joint coupling the upright handle assembly to the base.

14. The surface cleaning apparatus of claim 13 , further comprising a fluid supply conduit forming a portion of the fluid delivery pathway and fluidly coupling the upright handle assembly to the base.

15. The surface cleaning apparatus of claim 1 , further comprising an actuator provided on the upright handle assembly and operably coupled with the fluid delivery system to delivery fluid to the fluid dispenser via the fluid delivery pathway.

16. The surface cleaning apparatus of claim 1 wherein the fluid dispenser comprises at least one outlet orifice in the base and the first wiper aids in spreading cleaning fluid evenly along a length of the agitator.

17. The surface cleaning apparatus of claim 1 wherein the first wiper interfaces with the agitator.

18. The surface cleaning apparatus of claim 1 wherein the first wiper scrapes the agitator.

19. The surface cleaning apparatus of claim 1 wherein the first wiper confronts the agitator.

20. The surface cleaning apparatus of claim 1 wherein the first wiper removes excess fluid off the agitator.

Assignees

• Bissell Inc

Inventors

• Xia Jincheng
• Ge Jianjun
• Yin Zhenjiang
• Chen Xin
• Liang Yongsheng
• Ma Kam Hoi

Classifications

• A47L9/322

  for hand-supported suction cleaners · CPC title

• A47L9/0461

  Dust-loosening tools, e.g. agitators, brushes · CPC title

• A47L5/26

  with driven dust-loosening tools · CPC title

• A47L9/0477 Primary

  Rolls · CPC title

• A47L11/4044

  Vacuuming or pick-up tools; Squeegees · CPC title