Title:
TOOTHBRUSH JOINING PART
Document Type and Number:
WIPO Patent Application WO/2021/131687
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a toothbrush joining part with which it is possible to accurately sense a tooth-brushing action. The present invention is a toothbrush joining part joined to a toothbrush in which a head part having a bristle implantation surface is provided on the leading end side and a handle part extending in the long axis direction is provided on the trailing end side. The present invention has a casing (70) having an upwardly opening insertion hole (72) into which at least a part of the handle part is inserted, and a detection part for detecting a prescribed physical quantity relating to the toothbrush. The insertion hole is provided along an axis (J1) extending in the direction of insertion of the handle part, and the inner circumferential surface of the insertion hole has an outer profile line (D11, D12) that is asymmetric about the axis when viewed from a direction orthogonal to the axis.
Inventors:
KANASUGI TOMONARI (JP)
Application Number:
PCT/JP2020/045767
Publication Date:
July 01, 2021
Filing Date:
December 09, 2020
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B15/00
Foreign References:
| JPH051320U | 1993-01-14 | |||
| JPS4972471U | 1974-06-24 | |||
| JPS53759A | 1978-01-06 | |||
| JP6465122B2 | 2019-02-06 | |||
| JP2006068361A | 2006-03-16 | |||
| JPS60146426U | 1985-09-28 | |||
| JPH07204031A | 1995-08-08 | |||
| JP2007068859A | 2007-03-22 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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