Tilting seat chair
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 7, 2002
Grant Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Jun 4, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Tilting seat chair, comprising: a base structure (16) bearing a transverse tilting axis (24), a seat support structure (14), tiltably mounted about the transverse tilting axis (24), an elastic arrangement for opposing the seat tilting motion, and an adjustment device (42) for varying the force opposing the elastic arrangement. The aforesaid elastic arrangement comprises a torsion bar (32) connecting the seat support structure (14) to the base structure (16) in a tilting manner about the transverse tilting axis (24). The torsion bar (32) has at least a first portion (32a) rotatably connected to the seat support structure (14) and at least a second portion (32b) connected to the base structure (16) through the aforesaid adjustment device.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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