Title:
BLADE DRIVE DEVICE, AND IMAGE-CAPTURING EQUIPMENT AND ACTUATOR WITH SAID BLADE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/139198
Kind Code:
A1
Abstract:
The present invention has a sufficient drive force obtained using a simple structure. The present invention comprises: a ground plate 10 having an opening for a light path; a first blade 20 and a second blade 30, which rotate along the blade support surface 11e of the ground plate 10 to open and close an opening 11a; a magnet affixed around the rotation center of the blades; a yoke 60 affixed to the ground plate 10; and a coil 70 wrapped on the yoke 60. The yoke 60 has: a proximity piece located along the blade support surface 11e and provided in proximity to the magnet; and an intersecting piece extending in a direction that intersects the proximity piece and located along a side surface of the ground plate 10. The coil 70 is disposed on the intersecting piece side.
Inventors:
USHIO RYOSUKE (JP)
Application Number:
PCT/JP2018/000301
Publication Date:
August 02, 2018
Filing Date:
January 10, 2018
Export Citation:
Assignee:
NIDEC COPAL CORP (JP)
International Classes:
G03B9/10
Foreign References:
| JP2002090805A | 2002-03-27 | |||
| JPH1062836A | 1998-03-06 | |||
| JP2006330313A | 2006-12-07 | |||
| JP2005283723A | 2005-10-13 |
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
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