Title:
CURTAIN OPENING AND CLOSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/174546
Kind Code:
A1
Abstract:
A curtain opening and closing device. A curtain is hung on a guiding member. The curtain opening and closing device is mounted on the guiding member. The curtain opening and closing device comprises: a main machine (100) comprising a housing (110), a driving mechanism and a driving wheel (120), the driving wheel (120) being mounted on the housing (110) and partially protruding from the housing (110), and the driving mechanism being provided in the housing (110) and being used for driving the driving wheel (120) to rotate; and a hitch mechanism (200) comprising a hook (210), the hook (210) being movably connected to the housing (110), the hook (210) tightly pressing the driving wheel (120) at the outer side of the guide member, and when the driving mechanism drives the driving wheel (120) to rotate, the driving wheel (120) rolling along the guiding member and enabling the hook to drive the curtain to move along the guiding member.
Inventors:
HOU WEI (CN)
PAN YANG (CN)
LI ZHICHEN (CN)
MA CHAO (CN)
PAN YANG (CN)
LI ZHICHEN (CN)
MA CHAO (CN)
Application Number:
PCT/CN2020/078268
Publication Date:
September 10, 2021
Filing Date:
March 06, 2020
Export Citation:
Assignee:
WOAN TECH SHENZHEN CO LTD (CN)
International Classes:
A47H5/02
Foreign References:
| CN104783634A | 2015-07-22 | |||
| CN209966034U | 2020-01-21 | |||
| CN110393419A | 2019-11-01 | |||
| CN209450306U | 2019-10-01 | |||
| CN108991902A | 2018-12-14 | |||
| DE2835659A1 | 1980-03-06 | |||
| CN209315505U | 2019-08-30 | |||
| JPH04181047A | 1992-06-29 | |||
| CN208676973U | 2019-04-02 | |||
| CN204520229U | 2015-08-05 | |||
| JPH10211086A | 1998-08-11 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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