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Title:
WHEELCHAIR
Document Type and Number:
WIPO Patent Application WO/2020/000846
Kind Code:
A1
Abstract:
A wheelchair, comprising a seat body (2), a rear wheel mechanism (3), an extension device (1), and two oppositely disposed front wheel assemblies (4). The front wheel assemblies (4) comprise a support member (41) and a first wheel (42) mounted at a bottom end of the support member (41). The seat body (2) and the rear wheel mechanism (3) are respectively rotatably connected between the support members (41) of the two front wheel assemblies (4). The extension device (1) has two ends. A first end of the extension device (1) is rotatably connected to the seat body (2), and a second end of the extension device (1) is rotatably connected to the rear wheel mechanism (3). The extension device (1) performs an extending movement to drive the seat body (2) and the rear wheel mechanism (3) to rotate, to realize folding or unfolding of the wheelchair. The wheelchair has a simple folding structure which is easy to operate, and involves few folding steps, and can provide users with convenience. Moreover, the wheelchair structure has less exposed structures, and the overall shape is simple and aesthetically pleasing.

Inventors:
ZHANG BOLUN (CN)
Application Number:
PCT/CN2018/113692
Publication Date:
January 02, 2020
Filing Date:
November 02, 2018
Export Citation:
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Assignee:
GUANGZHOU SHIYUAN ELECTRONICS CO LTD (CN)
International Classes:
A61G5/08
Foreign References:
CN107049639A2017-08-18
CN207445134U2018-06-05
CN107049639A2017-08-18
CN107184326A2017-09-22
CN105167928A2015-12-23
CN106726206A2017-05-31
CN206228523U2017-06-09
DE202017006531U12018-04-12
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF:
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