Title:
ELECTRIC-MANUAL HYBRID ROLLER BLIND DRIVE
Document Type and Number:
WIPO Patent Application WO/2021/047510
Kind Code:
A1
Abstract:
An electric-manual hybrid roller blind drive, comprising a rolling mechanism (100), an electric drive module (200), a manual drive module (300), and a clutch (400). The electric drive module (200) and the manual drive module (300) are configured to drive the rolling mechanism (100); the clutch (400) comprises a clutch body (410) and a control arm (420) connected to the clutch body (410); the clutch body (410) is sleeved on the rolling mechanism (100) and connected to a bead disc (310); the control arm (420) comprises a second electromagnet (421); the control arm (420) is driven to move by means of the on and off of the second electromagnet (421) to drive the clutch body (410) to move, so as to switch the engagement and disengagement states of the bead disc (310) and the rolling mechanism (100). The roller blind drive can achieve convenient switching between manual operation and electric operation.
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Inventors:
XIONG SHENGDONG (CN)
Application Number:
PCT/CN2020/114038
Publication Date:
March 18, 2021
Filing Date:
September 08, 2020
Export Citation:
Assignee:
NINGBO XIANFENG NEW MAT CO LTD (CN)
International Classes:
E06B9/74; E06B7/28; E06B9/42; E06B9/70
Foreign References:
| CN110735594A | 2020-01-31 | |||
| CN108119052A | 2018-06-05 | |||
| CN102080483A | 2011-06-01 | |||
| EP2520754B1 | 2015-12-09 | |||
| KR20040012150A | 2004-02-11 | |||
| US20140332172A1 | 2014-11-13 | |||
| TWM443065U | 2012-12-11 |
Attorney, Agent or Firm:
NINGBO YINZHOU SHENGFEI PATENT ATTORNEY (SPECIAL GENERAL PARTNERSHIP) (CN)
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