Disc recliner with tapered pin cam surface
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United States of America Patent
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Jul 11, 2017
Grant Date -
Jan 28, 2016
app pub date -
Mar 18, 2014
filing date -
Mar 18, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A disc recliner comprises a fixed guide plate coupled to a rotatable tooth plate. Pawls are movable between a first position interlocking the guide plate and tooth plate in a locked condition and a second position disengaged from the tooth plate in an unlocked condition to allow pivotal movement therebetween. A shaft extends through the guide plate and the tooth plate and a cam is fixedly mounted on the shaft for engagement with the pawls. A drive nut is fixedly mounted to the guide plate for rotation therewith. A drive screw is fixedly mounted to the shaft and matingly engaged with the drive nut wherein rotation of the shaft rotates the drive screw and the drive nut causes lateral movement of the shaft and cam along an axis to drive the pawls between the first and second positions thereby actuating the disc recliner between a locked and unlocked conditions.
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