Invention Grant
- Patent Title: Lens barrel that moves lens unit using vibration actuator and camera system having the same
- Patent Title (中): 使用振动执行器和相机系统移动镜头单元的镜筒
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Application No.: US13517817Application Date: 2012-06-14
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Publication No.: US08606096B2Publication Date: 2013-12-10
- Inventor: Kaori Hiruta
- Applicant: Kaori Hiruta
- Applicant Address: JP
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP
- Agency: Rossi, Kimms & McDowell LLP
- Priority: JP2011-133997 20110616
- Main IPC: G02B7/04
- IPC: G02B7/04 ; G02B7/02 ; G03B3/00 ; G03B13/00

Abstract:
A lens barrel includes a lens holding frame that holds a lens unit that is movable in an optical axis direction, a first guide member that guides the lens holding frame in the optical axis direction, a drive shaft that extends in the optical axis direction, a slider that includes a pressure contact portion that slidably contacts the drive shaft in a longitudinal direction and a coupling portion that is coupled to the lens holding frame, a second guide member that guides the slider in the optical axis direction, a vibration element that is provided on one of the drive shaft and the slider, a drive case that holds the drive shaft and the second guide member, and a cover member that is fixed on the drive case to cover the pressure contact portion of the slider and protrude the coupling portion to an outside of the cover member.
Public/Granted literature
- US20120321289A1 LENS BARREL THAT MOVES LENS UNIT USING VIBRATION ACTUATOR AND CAMERA SYSTEM HAVING THE SAME Public/Granted day:2012-12-20
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