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:
Sep. 01, 2026
Filed:
May. 09, 2024
Shanghai Bangbang Robotics Co., Ltd, Shanghai, CN;
Jianguo Li, Shanghai, CN;
Jie Liu, Shanghai, CN;
Xiaodong Wang, Shanghai, CN;
Hengjie Tang, Shanghai, CN;
Canfeng Liu, Shanghai, CN;
Zhefu Zhang, Shanghai, CN;
Bofeng Liu, Shanghai, CN;
Shiwei Jiang, Shanghai, CN;
Shanghai Bangbang Robotics Co., Ltd, Shanghai, CN;
Abstract
A collapsible wheelchair, including a front support frame, a backrest bracket, a rear support frame and a bracket connecting rod, which are hinged with each other to form a first connecting rod mechanism; the seat connecting rod is hinged with the front support frame and a seat bracket respectively; the front support frame, the backrest bracket, the seat bracket and the seat connecting rod form a second connecting rod mechanism; a hinge point of the backrest bracket and the seat bracket is located above a central plane of the seat bracket.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile