Seat

Details Seat Seat

2006-07-13

2010-12-07

McPartlin, Sarah B (Department: 3636)

Chairs and seats

Bottom or back

Directly connected bottom and back

C297S452560, C297S452480

Reexamination Certificate

active

07845733

ABSTRACT:
A seat cushion of a vehicle seat has a base seat whose front end is anchored to a front frame of a frame for a sitting portion, and whose rear end is connected to a rear frame of the frame for a sitting portion via helical tension springs. A supporter, supported via helical tension springs at a pair of left and right side frames of the frame for a sitting portion, is disposed at a lower side of the base seat so as to support a femoral region of a seated person. The supporter and the helical tension springs structure an auxiliary vibration system whose mass element is a femoral region of a seated person. The auxiliary vibration system is made to function as a dynamic vibration absorber with respect to up-down vibrations of a main vibration system whose mass element is an upper body of a seated person.

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First Notification of Office Action for Chinese Application No. 200610101429.5, dated May 8, 2009.
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