Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuro Nagami0
Akinori Tsukaguchi0
Date of Patent
June 4, 2019
Patent Application Number
15752284
Date Filed
October 14, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cam projection sliding in a cam slot of an arm causes the arm to proceed to an arm when a shutter is in the closed position or the open position and to recede from the arm when the shutter is sliding between the open position and the closed position. A spring is thereby considerably displaced, providing a satisfactory operation of the shutter.
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