JP4769707B2 - 光学機器 - Google Patents

光学機器 Download PDF

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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
Application number
JP2006344569A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008158069A (ja
JP2008158069A5 (https=
Inventor
功二 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2006344569A priority Critical patent/JP4769707B2/ja
Priority to US11/957,924 priority patent/US7757575B2/en
Publication of JP2008158069A publication Critical patent/JP2008158069A/ja
Publication of JP2008158069A5 publication Critical patent/JP2008158069A5/ja
Application granted granted Critical
Publication of JP4769707B2 publication Critical patent/JP4769707B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
JP2006344569A 2006-12-21 2006-12-21 光学機器 Expired - Fee Related JP4769707B2 (ja)

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 (https=) 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 (https=)
JP (1) JP4769707B2 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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