Title:
BLIND WINDOW WITHOUT PULL ROPE
Document Type and Number:
WIPO Patent Application WO/2020/019932
Kind Code:
A1
Abstract:
Disclosed is a blind window without a pull rope. The blind window comprises a height-adjustable upper beam (2), a height-adjustable lower beam (7), adjustment and control rotary knobs (6), blind window fins (4), a ladder tape (5), a left-side positioning device and a right-side positioning device, wherein the adjustment and control rotary knobs (6) are respectively arranged in the upper beam (2) and the lower beam (7) of the blind window. When the adjustment and control rotary knobs (6) are operated, the adjustment and control rotary knobs (6) drive the ladder tape (5) by means of turnover mechanisms inside the upper beam (2) and the lower beam (7), and the ladder tape (5) can pull the blind window fins (4) to turn over, thus realizing the functions of privacy protection and light shielding; and protruding bars in left-side and right-side positioning guide rails (3) are engaged with clamping grooves, of the upper beam (2) and the lower beam (7), so as to form a clamping mechanism, thus realizing a positioning function of the blind window. The blind window is simple in structure, safe, aesthetic and convenient to operate.
Inventors:
QIU HONGQIAO (CN)
Application Number:
PCT/CN2019/093500
Publication Date:
January 30, 2020
Filing Date:
June 28, 2019
Export Citation:
Assignee:
QIU HONGQIAO (CN)
International Classes:
E06B9/303; E06B9/32
Foreign References:
| CN102619456A | 2012-08-01 | |||
| CN207332681U | 2018-05-08 | |||
| CN103603589A | 2014-02-26 | |||
| CN1513406A | 2004-07-21 | |||
| CN205063767U | 2016-03-02 | |||
| CN201747212U | 2011-02-16 | |||
| CN205477317U | 2016-08-17 | |||
| DE202013104496U1 | 2013-10-16 | |||
| US20100071858A1 | 2010-03-25 |
Attorney, Agent or Firm:
BEIJING CHINA IP LTD. (CN)
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