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:
Jan. 08, 2013
Filed:
Feb. 26, 2009
Chen-chung Wang, Taipei, TW;
Kenneth Wang, Taipei, TW;
Chen-Chung Wang, Taipei, TW;
Kenneth Wang, Taipei, TW;
Other;
Abstract
A foldable supporting device includes parallel supporting frames and foldable units, each of which interconnects an adjacent pair of the supporting frames and includes a pair of crossing members that cross and that are pivoted to each other, and a joint mechanism having a pair of first joints and a pair of second joints that are connected respectively to the adjacent pair of the supporting frames. Each of the crossing members interconnects a respective one of two diagonally aligned pairs of the first and second joints. At least one of the pair of the first joints and the pair of the second joints interconnect upper and lower parts of the adjacent pair of the supporting frames, respectively.