Brush section for an electric toothbrush

• US 20030033679A1
• Filed: 08/17/2001
• Published: 02/20/2003
• Est. Priority Date: 08/17/2001
• Status: Abandoned Application

• Current Assignee: Colgate-Palmolive Company
• Original Assignee: Colgate-Palmolive Company
• Inventors: Kut, Hui Fung, Fattori, Joseph
• Application Number:
  US09/682,312
• Publication Number:
  US 20030033679A1
• Time in Patent Office: Days
• US Class Current: 15/22.1
• CPC Class Codes: A61C 17/222 Brush body details, e.g. the shape thereof or connection to handle
• CPC Class Codes: A61C 17/3472 with combined movements of the brush body
• CPC Class Codes: A61C 17/349 with multiple brush bodies
• CPC Class Codes: B29L 2031/425 Toothbrush

Abstract

An electric toothbrush head section and method of manufacture thereof, which head section contains a movable and at least one static bristle bearing components, wherein the static bristle bearing component is interfitted about the exterior of said head section, in a fashion to reduce the seepage of liquid therein.

Claims

1. An electric toothbrush head section (22) comprising a housing (32) on which is mounted a movable bristle bearing component (12) and at least one static bristle bearing component (14), wherein the static bristle bearing component (14) is mounted on said housing (32) so as to at least partially surround the exterior thereof.

2. The electric toothbrush head section (22) of claim 1, where said movable bristle bearing component has a circular cross-section.

3. The electric toothbrush head section (22) of claim 1, wherein the static bristle bearing component (14) is u-shaped.

4. The electric toothbrush head section (22) of claim 1, wherein the static bristle bearing component (14) is secured by interfitting means about said housing (32).

5. The electric toothbrush head section (22) of claim 4, wherein said interfitting means is comprised of an interlocking rib and groove.

6. The electric toothbrush head section (22) of claim 1, wherein the at least one static bristle bearing component (14) is secured by welding means.

7. A method of manufacture of an electric toothbrush head section (22) having a housing (32) and a movable bristle bearing component (12) comprising providing at least one static bristle bearing component (14) and interfitting said at least one static bristle bearing component about the exterior of said housing (32), whereby said at least one static bristle bearing component (14) partially surrounds the exterior of said housing (32) in a manner to reduce seepage of liquid therein during use thereof.

8. The method of manufacture of an electric toothbrush head section (22) of claim 7, wherein said movable bristle bearing component (12) is circular in cross-section.

9. The method of manufacture of an electric toothbrush head section (22) of claim 7, wherein the static bristle bearing component (14) is u-shaped.

10. The method of manufacture of an electric toothbrush head section (22) of claim 7, wherein the static bristle bearing component (14) is secured about said housing (34) by interfitting means.

11. The method of manufacture of an electric toothbrush head section (22) of claim 10, wherein said interfitting means is comprised of an interlocking rib and groove.

12. The method of manufacture of an electric toothbrush head section (22) of claim 7, wherein the static bristle bearing component (14) is secured about said housing (32) by welding means.