Synchronizing mechanism for correlated seat/backrest motion of an office chair
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United States of America Patent
Stats
-
May 3, 2005
Grant Date -
Nov 21, 2002
app pub date -
May 17, 2002
filing date -
May 18, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A synchronizing mechanism for correlated seat/backrest motion of an office chair is provided with a base carrier to be placed on a chair column; a seat carrier, which is pivotable about a transverse axis and, at its front end, articulated to the base carrier; and a backrest carrier, which is also pivotable about a transverse axis and articulated to the base carrier. It is coupled with the seat carrier such that a backward pivoting motion of the backrest induces a lowering motion of the rear end of the seat carrier. The joint between the base carrier and the seat carrier is a turning and sliding joint so that the lowering motion of the seat carrier is combined with a horizontal sliding motion.
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