Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisashi Kawamoto0
Kazuya Shioda0
Phichet Numnual0
Date of Patent
October 28, 2008
Patent Application Number
11343607
Date Filed
January 30, 2006
Patent Primary Examiner
Patent abstract
A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in engagement with the cam opening, and the cam opening of at least one sector that is one of the multiple sectors is formed to change a moving direction of said at least one sector, when the operation member moves said at least one sector to a position to close the shutter opening.
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