Title:
AUTOMATIC EXPANDING AND COLLAPSING DEVICE APPLIED TO BACKPACK-TYPE FOLDING UMBRELLA
Document Type and Number:
WIPO Patent Application WO/2016/011855
Kind Code:
A1
Abstract:
An automatic expanding and collapsing device applied to a backpack-type folding umbrella, said device comprising a backpack frame (1) and a sun-shading device (2) installed on the backpack frame (1), the sun-shading device (2) comprising a support (21) and a flexible shade (22), a rotary expansion mechanism capable of collapsing and expanding and propping open the sun-shading device (2) being arranged on the backpack frame (1). A return mechanism and a positioning mechanism preventing the return mechanism from automatically returning to position are arranged on the support (21) or the rotary expansion mechanism, and the positioning mechanism is connected to a clutch mechanism. Control of the clutch mechanism enables the sun-shading device (2) to automatically collapse or expand under the effect of the return mechanism, and usage is convenient.
Inventors:
CHEN GUOFAN (CN)
ZHU WUHUA (CN)
ZHU WUHUA (CN)
Application Number:
PCT/CN2015/081423
Publication Date:
January 28, 2016
Filing Date:
June 15, 2015
Export Citation:
Assignee:
CHEN GUOFAN (CN)
ZHU WUHUA (CN)
ZHU WUHUA (CN)
International Classes:
A45B11/02; A45B19/00; A45B23/00; A45B25/16
Foreign References:
| CN203969498U | 2014-12-03 | |||
| CN203226366U | 2013-10-09 | |||
| US20060219279A1 | 2006-10-05 | |||
| CN203226368U | 2013-10-09 | |||
| CN203505770U | 2014-04-02 | |||
| US20130098410A1 | 2013-04-25 | |||
| CN203505772U | 2014-04-02 | |||
| US20050109383A1 | 2005-05-26 | |||
| US5116288A | 1992-05-26 | |||
| FR2869777B1 | 2007-01-05 |
Attorney, Agent or Firm:
CHINA FARFIR INTELLECTUAL PROPERTY AGENCY (CN)
北京远大卓悦知识产权代理事务所（普通合伙） (CN)
北京远大卓悦知识产权代理事务所（普通合伙） (CN)
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