Cleaning tool

Patent metadata

Field	Value
Publication number	US-9468350-B2
Application number	US-201214361609-A
Country	US
Kind code	B2
Filing date	Nov 30, 2012
Priority date	Dec 2, 2011
Publication date	Oct 18, 2016
Grant date	Oct 18, 2016

Abstract

A cleaning tool 10 having at least one side opening 41 and a cleaning roll 50 at a cleaning head 30 , wherein a dust guide surface 42 for leading dust from a surface to be cleaned to the side opening 41 is provided along a lower end of the side opening 41 ; the cleaning roll 50 is formed of an elastic roll having a surface covered with a thin film 53 , and is rotatably arranged in a position to close the side opening 41 and to be in contact with the surface to be cleaned; and the cleaning roll 50 rotating according to movement of the cleaning head 30 takes the dust through the dust guide surface 42 into the side opening 41 while pushing the dust against the surface to be cleaned.

First claim

What is claimed is:

1. A cleaning tool comprising:
at least one side opening; and
a cleaning roll at a cleaning head, wherein
a dust guide surface to lead dust from a surface to be cleaned to the at least one side opening is provided along a lower end of the at least one side opening,
the cleaning roll is formed of an elastic roller having a surface covered with a thin film, and is rotatably arranged in a position to close the at least one side opening and to be in contact with the surface to be cleaned, and
rotation of the cleaning roll according to movement of the cleaning head takes the dust through the dust guide surface into the at least one side opening while pushing the dust against the surface to be cleaned.

2. The cleaning tool according to claim 1 , wherein a wiper in the form of a sheet is provided on a lower surface of the cleaning head to be in contact with the surface to be cleaned.

3. The cleaning tool according to claim 2 , wherein the cleaning head has a dust container comprising the at least one side opening, and an adhesive in the form of a sheet is provided on a bottom surface of the dust container.

4. The cleaning tool according to claim 2 , wherein the cleaning head squashes, under its own weight, the cleaning roll on the surface to be cleaned, to cause the lower surface of the cleaning head to abut on the surface to be cleaned.

5. The cleaning tool according to claim 2 , wherein the lower surface of the cleaning head and a lower end edge of the dust guide surface are set on a same horizontal surface.

6. The cleaning tool according to claim 2 , wherein a spiral elongated strip is provided on a surface of the cleaning roll, and the spiral elongated strip is provided on the surface of the cleaning roll, with the spiral elongated strip covered with the thin film or the surface of the cleaning roll covered with the thin film.

7. The cleaning tool according to claim 2 , wherein the cleaning roll is formed of a plurality of roll members having different hardness.

8. The cleaning tool according to claim 2 , wherein the cleaning roll is formed of a sponge roll.

9. The cleaning tool according to claim 1 , wherein the cleaning head has a dust container comprising the at least one side opening, and an adhesive in the form of a sheet is provided on a bottom surface of the dust container.

10. The cleaning tool according to claim 1 , wherein a cleaning sheet is removably provided on a lower surface of the cleaning head contactable with the surface to be cleaned, and the cleaning tool further comprises a wiper in the form of a sheet on a first surface of the cleaning sheet and the adhesive in the form of a sheet on a second surface of the cleaning sheet.

11. The cleaning tool according to claim 1 , wherein the cleaning head squashes, under its own weight, the cleaning roll on the surface to be cleaned, to cause a lower surface of the cleaning head to abut on the surface to be cleaned.

12. The cleaning tool according to claim 1 , wherein a lower surface of the cleaning head and a lower end edge of the dust guide surface are set on a same horizontal surface.

13. The cleaning tool according to claim 1 , wherein a spiral elongated strip is provided on a surface of the cleaning roll, and the spiral elongated strip is provided on the surface of the cleaning roll, with the spiral elongated strip covered with the thin film or the surface of the cleaning roll covered with the thin film.

14. The cleaning tool according to claim 13 , wherein the cleaning roll does not abut on the dust guide surface, and the spiral elongated strip abuts on the dust guide surface.

15. The cleaning tool according to claim 1 , wherein the cleaning roll is formed of a plurality of roll members having different hardness.

16. The cleaning tool according to claim 1 , wherein the cleaning roll is formed of a sponge roll.

17. The cleaning tool according to claim 16 , wherein the sponge roll is made of urethane form, and the thin film is made of thermoplastic polyurethane resin.

18. The cleaning tool according to claim 1 , wherein the cleaning roll, the elastic roller, and the thin film are cylindrical.

Assignees

• Kao Corp

Inventors

• Tawara Hirotoshi
• Noda Yukio
• Nagai Satoshi

Classifications

• A47L11/4041

  Roll shaped surface treating tools · CPC title

• A47L11/32

  Carpet-sweepers (combined with suction cleaners A47L7/02) · CPC title

• A47L11/22 Primary

  Floor-sweeping machines, hand-driven · CPC title

• A47L11/33 Primary

  having means for storing dirt · CPC title