ENERGY-SAVING ROLLER SHUTTER WHICH IS CONVENIENT TO MOUNT

Title:

ENERGY-SAVING ROLLER SHUTTER WHICH IS CONVENIENT TO MOUNT

Document Type and Number:

WIPO Patent Application WO/2017/121294

Kind Code:

A1

Abstract:

Provided is an energy-saving roller shutter which is convenient to mount, comprising a roller shutter body (1) with a reel pipe, wherein a positioning sleeve (41) embedded in the reel pipe (2) and a retractable fixing assembly (4) located in the positioning sleeve (41) are arranged on at least one end of the roller shutter body; the positioning sleeve (41) is fixedly connected to the reel pipe (2); the positioning sleeve (41) and the retractable fixing assembly (4) can rotate in a relative manner; the retractable fixing assembly (4) comprises a self-locking retractable mechanism and a retaining plug assembly for pressurizing a wall surface to increase a friction force; the reel pipe (2) is internally provided with a booster spring (13); and the booster spring (13) comprises a fixed end and a rotary end for rotating along with the reel pipe (2). The energy-saving roller shutter which is convenient to mount has the beneficial effects that the roller shutter is convenient to mount and dismount; the dismounting and mounting time is shortened, the distance between fixed points at two sides of the roller shutter can be adjusted according to the width of a window, the applicable range of the width of the roller shutter is enlarged, and energy and energy sources are saved, etc.

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Inventors:

SCHORLING STEFAN HERMAN GEORG (CN)

Application Number:

PCT/CN2017/070596

Publication Date:

July 20, 2017

Filing Date:

January 09, 2017

Export Citation:

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Assignee:

HD4U SMART HOME CO LTD (CN)

International Classes:

A47H5/14; E06B9/68

Foreign References:

CN105534256A	2016-05-04
CN205370402U	2016-07-06
CN2443139Y	2001-08-15
CN104080374A	2014-10-01
CN201730524U	2011-02-02
US20040182526A1	2004-09-23

Attorney, Agent or Firm:

HANGZHOU HANGCHENG PATENT ATTORNEY OFFICE CO., LTD. (CN)

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