Vehicle seat
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United States of America Patent
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Dec 3, 2013
Grant Date -
Aug 23, 2012
app pub date -
Feb 17, 2011
filing date -
Feb 17, 2011
priority date (Note) -
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Abstract
In a vehicle seat, two front and two rear links are pivotally connected between a seat cushion frame and a floor of vehicle. Each of the two front links has an arcuate gear region meshed with a corresponding pinion provided to the seat cushion at a point backwardly of that arcuate gear region. Two connecting links are pivotally connected between the respective two front and rear links, such that forward pivot points respective of the two connecting links in the respective two front links are always maintained forwardly of the respective pinions, irrespective of vertical rotation of the two front links. In the case of rear-end collision, such link arrangement allows an excessive backward and downward load to be transmitted through the two connecting links and front links to the two lateral sides of seat cushion frame and dispersed therein, thereby absorbing a corresponding excessive impact.
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