Title:
RETRACTABLE DEVICE FOR RETRACTING CURTAIN PULL ROPE AND RETRACTABLE CURTAIN
Document Type and Number:
WIPO Patent Application WO/2019/161580
Kind Code:
A1
Abstract:
A retractable device for retracting a curtain pull rope, comprising one or more synchronous wheel assemblies (1), and one or more winding assemblies (3) positioned at two sides of the synchronous wheel assemblies (1), respectively. Each synchronous wheel assembly (1) comprises one or more synchronous wheels (11), and two first bevel gears (15) and two second bevel gears (16) positioned on the left sides and the right sides of the synchronous wheels (11), respectively; the two first bevel gears (15) are connected to the synchronous wheels (11), respectively; an included angle greater than 0 is formed between the axis of the second bevel gear (16) and the axis of the first bevel gear (15) on the same side; the second bevel gear (16) and the first bevel gear (15) on the same side are meshed with each other; each synchronous wheel assembly (1) further comprises roll-up springs (12) and one or more roll-up spring shafts (13) which are provided beside the synchronous wheels (11); two ends of each roll-up spring (12) are firmly connected to the synchronous wheel (11) and the roll-up spring shaft (13) respectively so as to be wound on the synchronous wheel (11) and/or the roll-up spring shaft (13); the winding assembly (3) is connected to the second bevel gear (16) on the corresponding side.
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Inventors:
HUANG JIEREN (CN)
Application Number:
PCT/CN2018/078464
Publication Date:
August 29, 2019
Filing Date:
March 08, 2018
Export Citation:
Assignee:
SUZHOU HONGREN WINDOW DECORATIONS CO LTD (CN)
International Classes:
E06B9/262
Foreign References:
| CN205805377U | 2016-12-14 | |||
| CN106050108A | 2016-10-26 | |||
| CN106050110A | 2016-10-26 | |||
| CN205876134U | 2017-01-11 | |||
| CN106089002A | 2016-11-09 | |||
| CN205876133U | 2017-01-11 | |||
| US20070261798A1 | 2007-11-15 | |||
| CN204299434U | 2015-04-29 |
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT & TRADEMARK AGENCY LTD. (CN)
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