LENS DRIVE DEVICE
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United States of America Patent
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Issued Date -
Aug 19, 2021
app pub date -
Jun 17, 2019
filing date -
Jun 21, 2018
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Abstract
A lens drive device including, a variation in a distance between the support point and an action point of the leaf spring member is suppressed, and a variation in a biasing force of the leaf spring member determined according to the distance between the support point and the action point is also suppressed. As a result, a frictional force of the frictional engagement between a friction engagement member and an actuator is uniform, and driving characteristics of the lens drive device are uniform.
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