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:
May. 06, 2003
Filed:
Dec. 22, 2000
Matsushita Electric Works, Ltd., Osaka, JP;
Abstract
A chair assists rising movement so that seating and rising can be comfortably performed with safety and comfort. The chair assisting rising movement is separated into a reclining block, a mount base block, and an intermediate base block. A backrest and the intermediate base block are pivotally supported by a first link while the mount base block and the intermediate base block are pivotally supported through a second link and a third link, provided in front and rear. The first link is rotated for moving the backrest from a stationary position to a rearward inclined condition. The second link and the third link are respectively rotated to raise the intermediate base block and a seat surface of the reclining block from stationary positions to specified heights.