DRIVE DEVICE - KONICA MINOLTA OPTO INC

Title:

DRIVE DEVICE

Document Type and Number:

WIPO Patent Application WO/2011/065296

Kind Code:

A1

Abstract:

A drive mechanism and a drive device which have an SMA actuator applied thereto, wherein the drive mechanism is configured in such a manner that the size of a constituent component contained within a driven body can be increased to enable the driven body to be moved stably and wherein the drive device is configured in such a manner that the diameter of a lens mounted to a lens unit can be increased to enable the lens unit to be smoothly displaced in the optical axis direction. The drive mechanism and the drive device are configured in such a manner that a drive support point (2a) for a lever member (2) is provided at a corner (first corner section (C1)) of an affixed section, a guide body (11) is provided to a second corner (second corner section (C2)), which faces said corner, so as to protrude from the body section of the driven body (1), the guide body (11) is supported slidably, and the drive mechanism and the drive device are provided with a drive guide section (10) provided with a pressing spring (7) for pressing the guide body (11).

Inventors:

OKAMOTO YASUHIRO (JP)
KONISHI HIROTOSHI (JP)

Application Number:

PCT/JP2010/070652

Publication Date:

June 03, 2011

Filing Date:

November 19, 2010

Export Citation:

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Assignee:

KONICA MINOLTA OPTO INC (JP)
OKAMOTO YASUHIRO (JP)
KONISHI HIROTOSHI (JP)

International Classes:

G02B7/04; F03G7/06

Foreign References:

JP2009041545A	2009-02-26
JPH10123399A	1998-05-15
JP2008040193A	2008-02-21
JP2007232889A	2007-09-13
JP2008096566A	2008-04-24
JPS6418114A	1989-01-20
JPH08248289A	1996-09-27
JP2000180693A	2000-06-30
JP2003021779A	2003-01-24
JP2009229781A	2009-10-08
JP2009122603A	2009-06-04
JPS60120413U	1985-08-14
JPS61176517U	1986-11-04
JPH049028U	1992-01-27

Other References: