The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2024
Filed:
Nov. 23, 2022
Shanghai Bangbang Robotics Co., Ltd, Shanghai, CN;
Jiangsu Bangbang Intelligent Technology Co., Ltd., Changzhou, CN;
Jianguo Li, Shanghai, CN;
Yongqiang Li, Shanghai, CN;
Jie Liu, Shanghai, CN;
Xiaodong Wang, Shanghai, CN;
Zhefu Zhang, Shanghai, CN;
Canfeng Liu, Shanghai, CN;
Xiangcheng Liao, Shanghai, CN;
SHANGHAI BANGBANG ROBOTICS CO., LTD, Shanghai, CN;
Jiangsu BangBang Intelligent Technology Co., Ltd., Changzhou, CN;
Abstract
Embodiments of the present disclosure provide a collapsible wheelchair, including: a movable chassis; a chair; a chair backrest; at least one first folding mechanism, installed between the movable chassis and the chair; and at least one second folding mechanism, connected between the chair and the chair backrest; where, the at least one first folding mechanism and the at least one second folding mechanism are connected in series and both have a four-rod linkage structure, and when the collapsible wheelchair is switched from a folded state to an open state or from the open state to the folded state, the at least one first folding mechanism and the at least one second folding mechanism are configured to move simultaneously. The collapsible wheelchair provided by the present disclosure is convenient in terms of the operation and easy to operate.