Chair with rapidly adjustable energy storing device
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United States of America Patent
Stats
-
Jul 25, 2006
Grant Date -
Jul 22, 2004
app pub date -
Jul 2, 2003
filing date -
Jan 22, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A working chair with adjustable backrest support pre-set tension is described, in which a swiveling backrest support is positioned on a seat part, the backrest support being prestressed against the back of the user with a manually adjustable pre-set tension of an energy storing device. The front end of the energy storing device is rotatably mounted on a free, swiveling end of a guide bar close to the seat edge, and the rear end of the energy storing device is coupled to a free, swiveling end of the backrest support at a contact point which is designed to be adjustable and detectable.
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