Ergonomic chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 1, 1991
Grant Date -
N/A
app pub date -
Sep 19, 1988
filing date -
Sep 22, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ergonomic chair having a movable, bendable chair back, which offers improved comfort and adjustability. The structure includes a series of rearward opening grooves in the chair back. This structure allows limited back flexibility. The chair also includes a mehcanism for adjusting the force needed to move the back, and another mechanism which limits the back's movement. Similar structure includes a seat which can slide forward and backward.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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