Title:
BRUSH HEAD
Document Type and Number:
WIPO Patent Application WO/2020/181595
Kind Code:
A1
Abstract:
A brush head (2) comprising a base (20). A cross section of the base (20) has a first arc-shaped portion (21) having two arcing ends extending upwards and downwards respectively, and a second arc-shaped portion (22) having two arcing ends extending upwards and downwards respectively. The base (20), the first arc-shaped portion (21) and the second arc-shaped portion (22) form an accommodation portion matching the outline of the bristle bed. First bristles (200) are provided at the base (20). Second bristles (210) are provided at an inner side of the first arc-shaped portion (21). Third bristles (220) are provided at an inner side of the second arc-shaped portion (22). The second bristles (210) and the third bristles (220) are arranged to face each other. Fourth bristles (221) are provided at an outer edge of the second arc-shaped portion (22). The invention is provided with multiple types of bristles for cleaning different regions of the oral cavity, thereby achieving high cleaning efficiency without damaging teeth. Moreover, the fourth bristles (221) of the invention can massage cheek muscles to achieve slimming of the face, thereby providing a brush head (2) with multiple functions.
Inventors:
SONG GUANGRONG (CN)
SONG JIAWEI (CN)
SONG JIAHAO (CN)
SONG WANZHEN (CN)
SONG JIAWEI (CN)
SONG JIAHAO (CN)
SONG WANZHEN (CN)
Application Number:
PCT/CN2019/081092
Publication Date:
September 17, 2020
Filing Date:
April 02, 2019
Export Citation:
Assignee:
SHENZHEN SURE POWER ELECTRICAL CO LTD (CN)
International Classes:
A61C17/22; A46B9/04; A61C17/34
Domestic Patent References:
| WO2008016342A1 | 2008-02-07 |
Foreign References:
| CN208511233U | 2019-02-19 | |||
| CN2761028Y | 2006-03-01 | |||
| CN208541429U | 2019-02-26 | |||
| CN108209138A | 2018-06-29 | |||
| CN203041148U | 2013-07-10 | |||
| CN201353009Y | 2009-12-02 | |||
| CN201119553Y | 2008-09-24 | |||
| CN2527146Y | 2002-12-25 | |||
| CN107669363A | 2018-02-09 |
Attorney, Agent or Firm:
SHENZHEN ZHAOWEN INTELLECTUAL PROPERTY AGENCY OFFICE (GENERAL PARTNER) (CN)
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