SYNCHRONIZING MECHANISM
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Jan 20, 2012
filing date -
Feb 1, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An office chair has a base support, a seat support and a backrest support. A synchronizing mechanism for a correlated seat/backrest movement has the seat support articulated directly on a first pivot bearing of the base support, the backrest support articulated directly on a second pivot bearing of the base support, and the backrest support connected to the seat support via an articulation. The articulation axis of the articulation, as seen in the longitudinal direction of the seat, is in front of the pivot axis of the second pivot bearing, such that a pivoting movement of the backrest to the rear about the pivot axis of the second pivot bearing induces a rotation of the seat support about the pivot axis of the first pivot bearing and thus a lifting movement of just the front region of the seat support.
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