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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2021/235378
Kind Code:
The present invention addresses the problem of providing an electric tongue brush capable of easily and reliably electrically removing a coating on the tongue. An electric tongue brush 1 for removing a coating on the tongue comprises: a tongue brush body 2 which is provided with a body case 2A and a tapered neck part 2B that extends from one end of the body case 2A; a brush head 3 in which a plurality of bristle bundles 6 are implanted and which is rotatably provided at the tip of the neck part 2B; a battery 7 and an electric motor 8 which are included in the case body 2A; and a conversion mechanism which converts the rotation of the electric motor 8 into reciprocating rotary motion or rotary motion. Each bristle bundle 6 implanted in the brush head 3 is configured by bundling a plurality of nylon filaments having a thickness d of 75-80 µm and a length L of 5-12 mm, and the circumcircle diameter D of the plurality of bristle bundles 6 is set to φ 2.0-2.5 cm.

NISHIO, Hidetoshi (JP)
Application Number:
Publication Date:
November 25, 2021
Filing Date:
May 17, 2021
Export Citation:
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International Classes:
A46B13/02; A61C17/22; A61C17/26
Attorney, Agent or Firm:
KAIZUKA, Ryohei (JP)
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