JP4769707B2 - 光学機器 - Google Patents
光学機器 Download PDFInfo
- Publication number
- JP4769707B2 JP4769707B2 JP2006344569A JP2006344569A JP4769707B2 JP 4769707 B2 JP4769707 B2 JP 4769707B2 JP 2006344569 A JP2006344569 A JP 2006344569A JP 2006344569 A JP2006344569 A JP 2006344569A JP 4769707 B2 JP4769707 B2 JP 4769707B2
- Authority
- JP
- Japan
- Prior art keywords
- tooth
- rack
- tooth portion
- lead screw
- zoom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/2003—Screw mechanisms with arrangements for taking up backlash
- F16H25/2009—Screw mechanisms with arrangements for taking up backlash with radial preloading
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19642—Directly cooperating gears
- Y10T74/1967—Rack and pinion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Description
L2 第2レンズユニット
L3 第3レンズユニット
L4 第4レンズユニット
1 前玉鏡筒
2 ズーム移動枠
3 固定鏡筒
4 フォーカス移動枠
5 撮像素子ホルダ
6 撮像素子
7 光量調節ユニット
14 ズームモータ
15 フォーカスモータ
16,17 ラック
A〜C 金型
Claims (1)
- 光学部材を保持する保持部材と、該保持部材に取り付けられたラックと、該ラックに噛み合うリードスクリューを回転させるアクチュエータとを有し、
前記ラックは、該ラックを前記保持部材に取り付けるための取り付け部と、前記リードスクリューを間に挟んで該リードスクリューに噛み合う第1の歯部及び第2の歯部と、前記取り付け部と前記第2の歯部とを繋ぐ弾性を有する接続部とを有する一体部品として形成されており、
光軸方向視において、前記第2の歯部は、前記取り付け部から離れるほど前記第1の歯部との間隔が狭くなるように形成されており、
光軸方向視において、前記接続部に、前記第1の歯部側に突出して前記取り付け部から離れるほど前記第1の歯部との間隔が狭くなるように形成された突起が設けられており、
光軸方向視において、前記第1の歯部に対する前記突起部の傾斜角は、前記第1の歯部に対する前記第2の歯部の傾斜角より大きいことを特徴とする光学機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006344569A JP4769707B2 (ja) | 2006-12-21 | 2006-12-21 | 光学機器 |
US11/957,924 US7757575B2 (en) | 2006-12-21 | 2007-12-17 | Optical apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006344569A JP4769707B2 (ja) | 2006-12-21 | 2006-12-21 | 光学機器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008158069A JP2008158069A (ja) | 2008-07-10 |
JP2008158069A5 JP2008158069A5 (ja) | 2010-02-18 |
JP4769707B2 true JP4769707B2 (ja) | 2011-09-07 |
Family
ID=39541015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006344569A Expired - Fee Related JP4769707B2 (ja) | 2006-12-21 | 2006-12-21 | 光学機器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7757575B2 (ja) |
JP (1) | JP4769707B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5884057B2 (ja) * | 2010-09-17 | 2016-03-15 | パナソニックIpマネジメント株式会社 | レンズ鏡筒 |
JP6464548B2 (ja) | 2013-05-23 | 2019-02-06 | リコーイメージング株式会社 | リードスクリュー装置とこれを用いたレンズ駆動装置、レンズ鏡筒およびカメラ |
JP6188442B2 (ja) * | 2013-06-20 | 2017-08-30 | キヤノン株式会社 | ラックおよびそれを用いた光学機器 |
US11194229B2 (en) * | 2018-06-13 | 2021-12-07 | Panasonic Intellectual Property Management Co., Ltd. | Lens barrel and imaging device equipped with same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06174992A (ja) * | 1992-12-10 | 1994-06-24 | Canon Inc | 光学装置 |
JPH0743580A (ja) * | 1993-06-29 | 1995-02-14 | Canon Inc | レンズ駆動装置 |
US5758943A (en) * | 1994-08-15 | 1998-06-02 | Koito Manufacturing Co., Ltd. | Headlamp for use in a vehicle |
JPH08248284A (ja) | 1995-03-08 | 1996-09-27 | Canon Inc | レンズ駆動装置及びそれを用いた光学機器 |
US5748394A (en) * | 1995-07-26 | 1998-05-05 | Konica Corporation | Lens driving device |
JP2002267918A (ja) * | 2001-03-08 | 2002-09-18 | Fuji Photo Optical Co Ltd | レンズ装置 |
JP2003075707A (ja) * | 2001-09-03 | 2003-03-12 | Olympus Optical Co Ltd | 鏡枠装置及びこれを使用する電子カメラ |
JP2003195143A (ja) * | 2001-12-26 | 2003-07-09 | Pentax Corp | レンズ駆動機構 |
JP4555582B2 (ja) * | 2004-02-03 | 2010-10-06 | Hoya株式会社 | レンズ移動機構 |
JP2005315935A (ja) * | 2004-04-27 | 2005-11-10 | Victor Co Of Japan Ltd | レンズ駆動装置 |
JP4506379B2 (ja) * | 2004-09-24 | 2010-07-21 | 株式会社デンソーウェーブ | レンズ駆動装置および情報コード読取装置 |
JP4735821B2 (ja) * | 2005-08-29 | 2011-07-27 | 富士フイルム株式会社 | レンズ送り機構 |
TW200741329A (en) * | 2006-04-18 | 2007-11-01 | Sunnytec Electronics Co Ltd | Lens actuating device |
-
2006
- 2006-12-21 JP JP2006344569A patent/JP4769707B2/ja not_active Expired - Fee Related
-
2007
- 2007-12-17 US US11/957,924 patent/US7757575B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7757575B2 (en) | 2010-07-20 |
US20080148892A1 (en) | 2008-06-26 |
JP2008158069A (ja) | 2008-07-10 |
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