Title:
BLADE DRIVING DEVICE AND OPTICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/103698
Kind Code:
A1
Abstract:
A blade driving device (1) provided with: a base plate (10) having a light path opening (11); blades (30a, 30b) capable of advancing to and retracting from the light path opening (11); transmission sections (58a, 58b) for driving the blades (30a, 30b); and electromagnetic actuators (50a, 50b) for driving the transmission sections (58a, 58b), respectively. The transmission sections (58a, 58b) have drive pins (59a, 59b), respectively. The base plate (10) has a guide pin (17b) for guiding the movement of the blade (30b). The blade (30a) has an engaging groove (39a) engaged with the drive pin (59a). The blade (30a) is rotatably fitted to the drive pin (59b) so as to be rotatable about the drive pin (59b) and is rotatably mounted on the transmission sections (58a, 58b). The blade (30b) has a guide groove (37b) engaged with the guide pin (17b) and is rotatably fitted to the drive pin (59b) so as to be rotatable about the drive pin (59b).
Inventors:
NUMNUAL PHICHET (TH)
NAKANO TAKASHI (JP)
NAKANO TAKASHI (JP)
Application Number:
PCT/JP2009/070212
Publication Date:
September 16, 2010
Filing Date:
December 02, 2009
Export Citation:
Assignee:
SEIKO PRECISION KK (JP)
NUMNUAL PHICHET (TH)
NAKANO TAKASHI (JP)
NUMNUAL PHICHET (TH)
NAKANO TAKASHI (JP)
International Classes:
G03B9/02
Foreign References:
| JP2006171547A | 2006-06-29 | |||
| JP2007322631A | 2007-12-13 | |||
| JPS6253429U | 1987-04-02 | |||
| JP2007093912A | 2007-04-12 | |||
| JP2008176062A | 2008-07-31 | |||
| JP2005195817A | 2005-07-21 | |||
| JPH11133479A | 1999-05-21 | |||
| JP2004061897A | 2004-02-26 | |||
| JP2005283877A | 2005-10-13 |
Attorney, Agent or Firm:
KATAYAMA, SHUHEI (JP)
Shuhei Katayama (JP)
Shuhei Katayama (JP)
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