Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akihiko Masuki0
Date of Patent
May 3, 2011
Patent Application Number
12699546
Date Filed
February 3, 2010
Patent Primary Examiner
Patent abstract
A barrier unit which can be easily assembled to a lens holding member in view of the above problems. The direction in which a barrier unit is rotated when the barrier unit is assembled with a lens holding member coincides with the direction in which a barrier blade driving member is rotated when the barrier blade is closed from the open state.
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