Blade drive device and optical apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 15, 2011
Grant Date -
Apr 15, 2010
app pub date -
Dec 14, 2009
filing date -
Apr 25, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blade drive device includes a shutter unit. The shutter unit includes: a blade swingably supported; and a plurality of boards defining a blade chamber, each having an opening opened and closed by the blade, and an actuator serving as a drive force of the blade and including a rotor having a rotary shaft. The rotary shaft penetrates to the blade chamber. An elastic member is housed in the blade chamber, and urges the rotary shaft in a thrust direction.
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