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. 06, 2005
Filed:
Jun. 14, 2004
Applicants:
Jeng-huey Shyu, Hsintien, TW;
Chun-tao Lee, Chungho, TW;
Inventors:
Jeng-Huey Shyu, Hsintien, TW;
Chun-Tao Lee, Chungho, TW;
Assignee:
Hanlong Industrial Co., Ltd., Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62M001/14 ;
U.S. Cl.
CPC ...
Abstract
A folding wheelchair includes two side frame units arranged in parallel at two sides, each side frame unit formed of two four-bar linkages arranged at different elevations, a plurality of folding bars transversely coupled between the side frame units, two sets of guide rods respectively coupled to the side frame units and adapted to guide folding of the wheelchair between the extended position and the collapsed position, and two swivel hooks for hooking on the pivot between each set of guide rods to lock the wheelchair in the extended position.