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Title:
BLADE DRIVE APPARATUS AND OPTICAL APPARATUS
Document Type and Number:
Japanese Patent JP2010096872
Kind Code:
A
Abstract:

To provide a blade drive apparatus provided with a compact blade, and to provide an optical apparatus.

The blade drive apparatus 1 includes: a substrate 10 having an optical path opening 11; the blade 30 having a plurality of openings 31-33; an electromagnetic actuator 50a for swinging the blade 30 and advancing/retreating it to the optical path opening 11; and an electromagnetic actuator 50b for modifying a position of a swing support point of the blade 30 for the substrate 10. The electromagnetic actuator 50a includes a rotor 51a, and a transmission part 58a for transmitting rotation of the rotor 51a to the blade 30. The electromagnetic actuator 50b includes a rotor 51b, and a transmission part 58b for transmitting rotation of the rotor 51b to the blade 30. The blade 30 includes a cam groove 19a engaged with the transmission part 58a, and a fit hole 19b slidably fitted with the transmission part 58b.


Inventors:
Numnual, Phichet
Charoensilputthakun, Prapas
Application Number:
JP2008000265793
Publication Date:
April 30, 2010
Filing Date:
October 14, 2008
Export Citation:
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Assignee:
SEIKO PRECISION INC
International Classes:
G03B9/02; G03B9/04