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:
Aug. 25, 2015
Filed:
Nov. 15, 2013
Chang-chen Lin, Tainan, TW;
Chang-Chen Lin, Tainan, TW;
Other;
Abstract
A chair includes a base having a guiding rod. A connecting frame is mounted to a backrest and is pivotably connected to the base. A seat includes a rear end pivotably connected to the connecting frame. An operative frame includes a rear end pivotably connected to the connecting frame. A sliding sleeve is mounted on a front end of the operative frame and is mounted around the guiding rod. At least one supporting plate includes a first end pivotably connected to the front end of the operative frame and a second end pivotably connected to a front end of the seat. When the backrest is moved backward, the connecting frame is actuated to move the operative frame and the seat forward, and the at least one supporting plate is moved to an extended position to move the front end of the seat upward.