Seat structure
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United States of America Patent
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May 16, 2006
Grant Date -
Oct 28, 2004
app pub date -
Jan 29, 2004
filing date -
Jan 31, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A seat structure includes a torsion bar 40 disposed along the width direction in the vicinity of the bottom end of a back frame 20, a pelvis supporting plate 50 is connected to the torsion bar 40, and a flat-type supporting member 60 for the seat back is engaged with the vicinity of the bottom end of the pelvis supporting plate 50 and strained. Slack of the flat-type supporting member 60 can be eliminated by the pelvis supporting plate 50 to enhance the appearance. Further, a vibration inputted from the seat back side, and vibrates as if patting on the back of the human body can be absorbed by an elastic force of the torsion bar 40.
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