Optical pickup
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United States of America Patent
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Feb 4, 2014
Grant Date -
Oct 11, 2012
app pub date -
Mar 30, 2012
filing date -
Apr 5, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An optical pickup includes a lens moving mechanism constructed of a lens, a lens holder holding the lens, a guide member guiding the lens holder, a lead screw including a thread groove, a motor rotating the lead screw, and a rack gear including a body fixed to the lens holder and claws fitted into the thread groove of the lead screw, in which an arm connecting the body and the claws of the rack gear is formed so that the shape of a cross section perpendicular to the rotational axis direction of the lead screw is a convex shape, a recess shape or a wave-shape.
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