Title:
TOOTHBRUSH
Document Type and Number:
WIPO Patent Application WO/2022/105144
Kind Code:
A1
Abstract:
A toothbrush, comprising: a handle (10), which is vertically placed and has a long side thereof that extends in a vertical direction; a brush head (20), comprising a brush rod (21) and bristles (22) arranged on the brush rod (21), wherein the brush head (20) is rotatably connected to the handle (10) around an axis of rotation (C), the axis of rotation (C) is perpendicular to the extension direction of the handle (10) and is parallel or perpendicular to the extension direction of the bristles (20), and the bristles (22) have an initial position above the handle (10) and can rotate with the brush head (20) to deviate from the initial position; and an elastic member (30), which connects the brush head (20) and the handle (10), elastically deforms when the bristles (22) deviate from the initial position, and can drive the bristles (22) to return to the initial position after an external force disappears.
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Inventors:
XU ZHENWU (CN)
DAI XIAOGUO (CN)
ZHANG CHANGJIN (CN)
ZHANG HONGTAO (CN)
DAI XIAOGUO (CN)
ZHANG CHANGJIN (CN)
ZHANG HONGTAO (CN)
Application Number:
PCT/CN2021/092430
Publication Date:
May 27, 2022
Filing Date:
May 08, 2021
Export Citation:
Assignee:
SHANGHAI SHIFT ELECTRICS CO LTD (CN)
International Classes:
A46B9/04; A46B5/00; A46B15/00
Foreign References:
| CN105495990A | 2016-04-20 | |||
| US20160088929A1 | 2016-03-31 | |||
| CN1897845A | 2007-01-17 | |||
| CN106136566A | 2016-11-23 | |||
| CN205072337U | 2016-03-09 | |||
| US7281289B1 | 2007-10-16 |
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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