Focal plane shuttering apparatus and image capture device
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United States of America Patent
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Dec 29, 2015
Grant Date -
Jun 12, 2014
app pub date -
Feb 11, 2014
filing date -
Aug 24, 2011
priority date (Note) -
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Abstract
A focal plane shuttering apparatus includes: front and rear curtains; a first elastic member which generates biasing force to make the front curtain run in such a direction as to get the front curtain retracted from an aperture; a second elastic member which generates biasing force to make the rear curtain run in such a direction as to have the rear curtain cover the aperture; a charging member which applies biasing force to the first and second elastic members; a front curtain locking mechanism which keeps the front curtain retracted from the aperture when the charging member applies biasing force to the first elastic member; a rear curtain locking mechanism which keeps the aperture covered with the rear curtain when the charging member applies biasing force to the second elastic member; and an unlocking member interlocked with the charging member that unlocks the front and rear curtain locking mechanisms.
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