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Title:
TOOTHBRUSH
Document Type and Number:
Japanese Patent JP2002010832
Kind Code:
A
Abstract:

To provide a toothbrush with excellent brushing effect on any parts inside the oral cavity as the tufts of bristles can be freely moved in every direction, frontward, backward, left, right, upward or downward, according to the brushing force and the tip of bristles can excellently fit the various unevenness inside the oral cavity.

The root of a tuft of bristles 1 is held by an elastic material 2 for holding the tuft of bristles, and the elastic material 2 for holding the tuft of bristles is connected to a bristle planting surface 4 of a head 3 at a position C-C with a smaller area of the cross section than that of the cross section at a position B-B with the largest area of the cross section. Further, in connecting the elastic material 2 for holding the tuft of bristles, the area SC of the cross section of the connecting part is 3/4 of or less than the area SB of the cross section at the position with the largest area of the cross section of the elastic material 2 for holding the tuft of bristles.


Inventors:
SUZUKI SHINGO
Application Number:
JP2000194711A
Publication Date:
January 15, 2002
Filing Date:
June 28, 2000
Export Citation:
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Assignee:
LION CORP
International Classes:
A46B7/06; A46B9/04; (IPC1-7): A46B7/06; A46B9/04
Attorney, Agent or Firm:
Koichi Fujii (1 person outside)



 
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