Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Norio Maeda0
Naohiko Hayashi0
Date of Patent
January 6, 2009
Patent Application Number
11243330
Date Filed
October 4, 2005
Patent Primary Examiner
Patent abstract
The lens barrel of the present invention, in order to provide a lens barrel capable of reliably and easily preventing the breakage of the tooth of the revolving shaft of the driving motor and the tooth of the rack which teeth are engaged with each other, the lens barrel is provided with: the driving motor; the lens unit holder that has the rack receiving the transmission of the driving force by engaging with the revolving shaft which is a part of the driving motor, and holds the lens unit holder; and the spear portion that releases the engagement between the part of the revolving shaft and the rack.
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