Blade driving device
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United States of America Patent
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-
Oct 20, 2020
Grant Date -
Feb 8, 2018
app pub date -
Feb 26, 2016
filing date -
Feb 27, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
To enable continuous operational control of the blade member with high resolution and good accuracy, even when achieving miniaturization and thickness reduction in a blade driving device, through enabling smooth movement of a movable member in a blade driving device. A blade driving device 1 comprises: a base member 2 that has an opening 2A; one or a plurality of blade members 3 that operate so as to advance into the opening 2A or withdraw from the opening 2A; a driving member 4 that moves within a plane that is perpendicular to the optical axis that passes through the opening 2A, to drive the blade member 3; and supporting members 7 that are provided between the base member 2 and the driving member 4, so as to provide sliding support or elastic support of the driving member 4 in a state that is separated from the base member 2.
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