Reclining mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 12, 2013
Grant Date -
May 30, 2013
app pub date -
Nov 16, 2012
filing date -
Nov 25, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a reclining mechanism comprising: a first plate fixed to a seat back; a second plate fixed to a seat cushion; a plurality of planetary gears in meshing engagement with internal gears of the first and second plates; a sun gear in meshing engagement with the planetary gears; and a holding member rotatably holding the planetary gears. An inner peripheral wall of the holding member and an opposing wall section of the sun gear define therebetween a wedge-shaped space in which a restriction member is displaceably disposed. The opposing wall section of the sun gear is formed such that a width of the wedge-shaped space is gradually narrowed toward a counter direction opposite to a specific direction along which the first plate is urged to be rotated according to a force applied to the seat back in a rearward tilting direction.
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