Invention Grant
- Patent Title: Combined gear, lens adjustment mechanism, and electronic device
- Patent Title (中): 组合齿轮,镜头调整机构和电子设备
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Application No.: US12227785Application Date: 2008-03-28
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Publication No.: US08111469B2Publication Date: 2012-02-07
- Inventor: Hiroaki Takamatsu
- Applicant: Hiroaki Takamatsu
- Applicant Address: JP Tokyo
- Assignee: NEC Display Solutions, Ltd.
- Current Assignee: NEC Display Solutions, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: McGinn IP Law Group, PLLC
- International Application: PCT/JP2008/056124 WO 20080328
- International Announcement: WO2009/118898 WO 20091001
- Main IPC: G02B15/14
- IPC: G02B15/14

Abstract:
A combined gear includes a pair of first gear and second gear having the same tooth profile and rotatably combined in a state, wherein rotation centers of the gears are coincident. One gear of the pair of gears includes an elastic displacement portion that is biased in a direction of rotating the other gear with respect to one gear. The other gear includes a positioning portion that positions the other gear with respect to one gear, and elastic displacement portion contacts positioning portion.
Public/Granted literature
- US20100232035A1 Combined Gear, Lens Adjustment Mechanism, and Electronic Device Public/Granted day:2010-09-16
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