Title:
歯ブラシ
Document Type and Number:
Japanese Patent JP7050427
Kind Code:
B2
Abstract:
To provide a toothbrush with a simple and inexpensive configuration which can brush a tooth surface and gum at an appropriate brushing pressure while preventing an excessive brushing pressure.SOLUTION: A toothbrush 10 includes a toothbrush body 15 of 150 mm or more in total length having: an implant base 14 on which a plurality of brush implant holes 16 are formed in which a plurality of brush bundles 18 are implanted; a handle 11; and a neck part 12 connecting the handle 11 and the implant base 14. The handle 11 has a handle tip part 11a corresponding to a position where a cross-section is 50 mm, and has a part where a cross-section is 50 mmor more at a rear region from the handle tip part 11a. The neck part 12 has a cross-section of less than 50 mmin a total length, in which a length Lfrom a rear end of the toothbrush body 15 to the handle tip part 11a is 20% or more to 50% or less of a length Lfrom the rear end of the toothbrush body 15 to a center position of the implant base 14.SELECTED DRAWING: Figure 2
Inventors:
Akira Suzuki
Miura Hideki
Miura Hideki
Application Number:
JP2017105007A
Publication Date:
April 08, 2022
Filing Date:
May 26, 2017
Export Citation:
Assignee:
Kao Corporation
International Classes:
A46B5/00; A46B9/04
Domestic Patent References:
| JP580323U | ||||
| JP2013118944A | ||||
| JP56136503A | ||||
| JP2007190439A | ||||
| JP2008153070A1 |
Attorney, Agent or Firm:
Showa International Patent Office