Chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 4, 1985
Grant Date -
N/A
app pub date -
Jun 16, 1982
filing date -
Jun 23, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A chair comprising a supporting element adapted to tilt about a horizontal axis can be constructed in an ergometrically acceptable way when the supporting element is coupled with the frame through both a torsional spring and a gas spring. In this manner the supporting element can be simply set in the correct position.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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