FR2725798B1 - Mecanisme rotatif de commande d'avancement - Google Patents

Mecanisme rotatif de commande d'avancement

Info

Publication number
FR2725798B1
FR2725798B1 FR9511986A FR9511986A FR2725798B1 FR 2725798 B1 FR2725798 B1 FR 2725798B1 FR 9511986 A FR9511986 A FR 9511986A FR 9511986 A FR9511986 A FR 9511986A FR 2725798 B1 FR2725798 B1 FR 2725798B1
Authority
FR
France
Prior art keywords
control mechanism
forward control
rotary forward
rotary
control
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
FR9511986A
Other languages
English (en)
Other versions
FR2725798A1 (fr
Inventor
Hiroshi Nomura
Takamitsu Sasaki
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2725798A1 publication Critical patent/FR2725798A1/fr
Application granted granted Critical
Publication of FR2725798B1 publication Critical patent/FR2725798B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Transmission Devices (AREA)
FR9511986A 1994-10-13 1995-10-12 Mecanisme rotatif de commande d'avancement Expired - Fee Related FR2725798B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6247862A JPH08114738A (ja) 1994-10-13 1994-10-13 回転繰出機構

Publications (2)

Publication Number Publication Date
FR2725798A1 FR2725798A1 (fr) 1996-04-19
FR2725798B1 true FR2725798B1 (fr) 1997-01-24

Family

ID=17169751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511986A Expired - Fee Related FR2725798B1 (fr) 1994-10-13 1995-10-12 Mecanisme rotatif de commande d'avancement

Country Status (5)

Country Link
US (1) US5640615A (fr)
JP (1) JPH08114738A (fr)
DE (1) DE19538241B4 (fr)
FR (1) FR2725798B1 (fr)
GB (1) GB2294127B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6963455B2 (en) * 2003-02-05 2005-11-08 Pentax Corporation Lens barrel
JP5297932B2 (ja) * 2009-08-03 2013-09-25 京セラドキュメントソリューションズ株式会社 ギヤ機構および画像形成装置
JP2015018004A (ja) * 2011-11-11 2015-01-29 パナソニック株式会社 レンズ鏡筒

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842965Y2 (ja) * 1978-04-24 1983-09-29 旭光学工業株式会社 レンズ鏡胴
CA1331429C (fr) * 1988-06-03 1994-08-16 Hiroshi Nomura Barillet de tele-objectif et appareil photo utilisant ce barillet
GB2259977B (en) * 1991-09-27 1995-05-03 Ind Tech Res Inst Apparatus for drying tea leaves
US5386740A (en) * 1991-09-30 1995-02-07 Asahi Kogaku Kogyo Kabushiki Kaisha Rotary feed mechanism
JPH05346527A (ja) * 1992-06-12 1993-12-27 Nikon Corp レンズ鏡筒
JP3276171B2 (ja) * 1992-08-17 2002-04-22 旭光学工業株式会社 ズームレンズ鏡筒
US5446593A (en) * 1992-11-05 1995-08-29 Asahi Kogaku Kogyo Kabushiki Kaisha Lens advancing mechanism

Also Published As

Publication number Publication date
GB2294127A (en) 1996-04-17
FR2725798A1 (fr) 1996-04-19
DE19538241B4 (de) 2005-09-01
GB2294127B (en) 1998-04-22
JPH08114738A (ja) 1996-05-07
GB9520959D0 (en) 1995-12-13
DE19538241A1 (de) 1996-04-18
US5640615A (en) 1997-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse