Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shuichi Terada0
Date of Patent
January 18, 2011
0Patent Application Number
125084150
Date Filed
July 23, 2009
0Patent Primary Examiner
Patent abstract
When an external force that is equal to or greater than the urging force of a first ball spring is applied to a first lens holder, a first ball follower is dislocated from a first cam groove, and a first external force receiving groove and a first external force receiving pin are brought into engagement to receive the external force. When the external force that has been applied to the first lens holder is released, the first ball follower is restored to the first cam groove due to the urging force of the first ball spring.
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