Title:
WHEELCHAIR FRAME
Document Type and Number:
WIPO Patent Application WO/2020/042249
Kind Code:
A1
Abstract:
A wheelchair frame (100), comprising a wheelchair body (1), a first support arm (2), a driving wheel (4), a first auxiliary wheel (5), and a second auxiliary wheel (6), wherein the middle of the first support arm (2) is pivoted to one end of the wheelchair body (1) via a first support shaft (2a), the first auxiliary wheel (5) is pivoted to one end of the first support arm (2), the second auxiliary wheel (6) is arranged at the other end of the wheelchair body (1), and the driving wheel (4) is pivoted to the other end of the first support arm (2) and is positioned between the first auxiliary wheel (5) and the second auxiliary wheel (6). With the wheelchair frame, each wheel can be in effective contact with the ground on an uneven road, thus guaranteeing normal travel.
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Inventors:
ZHANG ZHAO (CN)
Application Number:
PCT/CN2018/106538
Publication Date:
March 05, 2020
Filing Date:
September 19, 2018
Export Citation:
Assignee:
DONGGUAN PRESTIGE SPORTING PRODUCTS CO LTD (CN)
International Classes:
A61G5/10
Foreign References:
| CN2827326Y | 2006-10-18 | |||
| CN2827326Y | 2006-10-18 | |||
| CN106176080A | 2016-12-07 | |||
| CN101480367A | 2009-07-15 | |||
| CN2604167Y | 2004-02-25 | |||
| AU2009100221A4 | 2009-04-23 | |||
| US20160074263A1 | 2016-03-17 | |||
| CN201088676Y | 2008-07-23 | |||
| US20100213683A1 | 2010-08-26 | |||
| CN204072539U | 2015-01-07 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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