Chair assisting rising movements
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 6, 2003
Grant Date -
Jul 5, 2001
app pub date -
Dec 22, 2000
filing date -
Dec 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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