Title:
AN ELECTRIC TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2003/094776
Kind Code:
A1
Abstract:
An electric toothbrush drives a pair of reversibly rotatable cylindrical brush head inclining ahead an angle of 5-85 degrees via a pair of bendy flexible drive rods. It can synchronously clean teeth along the inside and outside of the teeth as a result of the clipping force of the toothbrush handle and jointly clean the occlusive surface of the teeth by the bristles which are on the inside surface of toothbrush coping.
Inventors:
WANG YU (CN)
Application Number:
PCT/CN2002/000485
Publication Date:
November 20, 2003
Filing Date:
July 09, 2002
Export Citation:
Assignee:
WANG YU (CN)
International Classes:
A61C17/22; A61C17/26; (IPC1-7): A61C17/26
Foreign References:
| CN2162926Y | 1994-04-27 | |||
| CN2098265U | 1992-03-11 | |||
| CN2250669Y | 1997-04-02 | |||
| DE3735436A1 | 1989-05-03 |
Attorney, Agent or Firm:
KANGXIN & PARTNERS (Xinlong Mansion No. 33A Erlongl, Xicheng District Beijing 2, CN)
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