Toothbrush

a toothbrush and tooth brush technology, applied in the field of oral care, can solve the problems of unbalanced mass, individual tufts of bristles cannot rotate independently of their “partner” tufts, and individual tufts are prevented from achieving optimal penetration between two teeth
US20060272112A9Inactive Publication Date: 2006-12-07THE GILLETTE CO
69 Cites 94 Cited by

Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
THE GILLETTE CO
Publication Date
2006-12-07
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

A toothbrush includes a head and a tooth cleaning element extending from a top surface of the head. The head is divided into at least two portions which can be moved independent of each other. The tooth cleaning element is rotatable relative to that portion of the head from which it extends. A vibrator vibrates the head and tooth cleaning element.
Need to check novelty before this filing date? Find Prior Art

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] Cross-reference is made to U.S. patent application Ser. No. 10 / 389,448 filed on Mar. 14, 2003 which is assigned to The Gillette Company.FIELD OF THE INVENTION

[0002] The invention relates generally to the field of oral care, and in particular to toothbrushes. More specifically, the invention relates to a toothbrush that vibrates. BACKGROUND OF THE INVENTION

[0003] U.S. Pat. No. 5,987,681 discloses an electric toothbrush with a handles a brush head and a shank which connects the handle to the brush head. A rotary motor is arranged in the handle and drives an unbalanced mass. The unbalanced mass driven by the motor is supported on one side or on both sides in the shank close to the brush head and is driven by an extended drive shaft, preferably an intermediate shaft, by the motor. When the motor is operated the toothbrush head vibrates.

[0004] The toothbrush disclosed in the '681 patent is typical of vibrating toothbrushes in that the fea...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More