Tilt controls for chairs
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United States of America Patent
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Aug 3, 2010
Grant Date -
Mar 6, 2008
app pub date -
Aug 28, 2007
filing date -
Aug 29, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tilt mechanism for a chair includes rotary stop means defining a plurality of selectable tilted positions of the chair seat/back. In another aspect, an anti kick-back feature is provided based. The mechanism includes upper and lower housing parts and a cushioning spring that normally maintains the parts in a rest position with respect to one another while allowing the mechanism to tilt. A further aspect of the invention provides an improved spring tension control that allows the spring to be installed and removed in a fully relaxed condition so that no special tools are required.
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Family
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