SUPPORT STRUCTURE FOR A BACK PART AND/OR A SEAT OF A SEAT ASSEMBLY AND SEAT ASSEMBLY COMPRISING SUCH A SUPPORT STRUCTURE
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United States of America Patent
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N/A
Issued Date -
Jul 28, 2011
app pub date -
Jan 14, 2011
filing date -
Jan 22, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A support structure for a back part and/or a seat of a seat assembly includes a base support, a support part, and a power system. The support part is arranged on the base support to support and/or hold the respective back part and/or seat, and is attached to the base support to allow movement of the support part relative to the base support. The power system, which includes first and second spring elements and a coupling device, generates a reset force in response to (and directed opposite to) the respective movement of the support part. When the coupling device is in a first state, the second spring element generates a second reset force directed opposite to the movement of the support part. When the coupling device is in the second state, the second spring element does not generate the second reset force.
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