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:
Apr. 16, 2013
Filed:
Jul. 21, 2010
Cheng-nan Chen, Chiayi Hsien, TW;
Cheng-Nan Chen, Chiayi Hsien, TW;
Karma Medical Products Co., Ltd., Chiayi Hsien, TW;
Abstract
A folding device of a wheelchair includes a first folding unit and a second folding unit, wherein the first folding unit includes a first part, a second part and a connection rod connected between the first part and the second part. The first part has a first link and a second link respectively and pivotably connected thereto, and the second part has a third link and a fourth link respectively and pivotably connected thereto. The second folding unit has two boards and the two boards have two connection units. Each board has a recess and two lugs. Each recess has a first plate and a second plate connected thereto. A handle has two ends which are respectively and pivotably connected to the first and second plates.