Six bar mechanism and control for chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 31, 2010
Grant Date -
Dec 18, 2008
app pub date -
Mar 13, 2008
filing date -
Mar 13, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A chair according to embodiments of the present invention includes a base; a first linkage pivotably coupled to the base, a seat pivotably coupled to the first linkage, a second linkage pivotably coupled to the seat and pivotably coupled to the base, a back comprising a substantially upright portion and an attachment portion, the attachment portion pivotably coupled to the base at a first pivot point, and a third linkage pivotably coupled to the back at a second pivot point and pivotably coupled to the second linkage, wherein the second pivot point is on the attachment portion between the first pivot point and the substantially upright portion.
First Claim
Family
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Cited Art Landscape
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