Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2019/054266
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a toothbrush with which it is possible to obtain excellent operability in the oral cavities of children. The present invention is provided with a bristle-mounting part (11) comprising a plurality of bristle bundles (7), a head part (2) in which the bristle-mounting part is provided to a bristle-mounting surface (2a), and a handle body (5) having a neck part (3) and a handle part (4). In a front view, the length of the neck part is 15-35 mm inclusive, the total length of the head part and the neck part is 28-68 mm inclusive, and the width of the neck part is 4-6 mm inclusive. In a side view, the thickness of the head part is 2-4 mm inclusive. In the front view, the distance between the position of the ridge line of a finger rest part and a second position, which is set apart by 20 mm toward the handle-part side from a first position located on the boundary between the neck part and the head part, is 4-22 mm inclusive. The difference in thickness in the side view between the second position and the position of the ridge line of the finger rest part is 3-9 mm inclusive.
Inventors:
AKEMA YOKO (JP)
OKUDA YASUSHI (JP)
OKUDA YASUSHI (JP)
Application Number:
PCT/JP2018/033018
Publication Date:
March 21, 2019
Filing Date:
September 06, 2018
Export Citation:
Assignee:
LION CORP (JP)
International Classes:
A46B5/00
Foreign References:
| JP2003275027A | 2003-09-30 | |||
| JPS56136503A | 1981-10-24 | |||
| JP2001299450A | 2001-10-30 | |||
| JPH10215949A | 1998-08-18 | |||
| JPH1175937A | 1999-03-23 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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