Seat reclining mechanisms
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United States of America Patent
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Jun 27, 2006
Grant Date -
Apr 7, 2005
app pub date -
Aug 20, 2004
filing date -
Aug 22, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A seat reclining mechanism for a vehicle seat may includes a plurality of slide pawls each having an outward toothed portion and a side surface, a ratchet having an inward circular toothed portion, and a holder having a plurality of guide portions each of which is formed with a torque receiving portion. The seat reclining mechanism further includes a cam member pushing the slide pawls toward the inward toothed portion of the ratchet, and at least one contact projection formed in the torque receiving wall of the torque receiving portion and projecting toward the slide pawl side surface. The contact projection is arranged and constructed such that it is deformed to eliminate variations among clearances formed between the slide pawls and the torque receiving portions when a torque is exerted between the ratchet and the holder, so that the torque is evenly distributed among the slide pawls.
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