DE69121097D1 - Gewindeanordnung - Google Patents

Gewindeanordnung

Info

Publication number
DE69121097D1
DE69121097D1 DE69121097T DE69121097T DE69121097D1 DE 69121097 D1 DE69121097 D1 DE 69121097D1 DE 69121097 T DE69121097 T DE 69121097T DE 69121097 T DE69121097 T DE 69121097T DE 69121097 D1 DE69121097 D1 DE 69121097D1
Authority
DE
Germany
Prior art keywords
threading
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
DE69121097T
Other languages
English (en)
Other versions
DE69121097T2 (de
Inventor
Alan Cheeseman
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.)
DIEMEN FILMS Ltd
Original Assignee
DIEMEN FILMS 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 DIEMEN FILMS Ltd filed Critical DIEMEN FILMS Ltd
Application granted granted Critical
Publication of DE69121097D1 publication Critical patent/DE69121097D1/de
Publication of DE69121097T2 publication Critical patent/DE69121097T2/de
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
    • 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
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lens Barrels (AREA)
DE69121097T 1990-04-26 1991-04-25 Gewindeanordnung Expired - Fee Related DE69121097T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909009344A GB9009344D0 (en) 1990-04-26 1990-04-26 Conversion arrangement for optical units for use with cameras
PCT/GB1991/000658 WO1991016661A1 (en) 1990-04-26 1991-04-25 Screw-thread arrangement

Publications (2)

Publication Number Publication Date
DE69121097D1 true DE69121097D1 (de) 1996-08-29
DE69121097T2 DE69121097T2 (de) 1997-03-06

Family

ID=10675004

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121097T Expired - Fee Related DE69121097T2 (de) 1990-04-26 1991-04-25 Gewindeanordnung

Country Status (6)

Country Link
US (1) US5309287A (de)
EP (1) EP0526585B1 (de)
JP (1) JPH05508719A (de)
DE (1) DE69121097T2 (de)
GB (1) GB9009344D0 (de)
WO (1) WO1991016661A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5711488B2 (ja) 2010-09-17 2015-04-30 日清工業有限公司 ストロボズーム装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58118612A (ja) * 1982-01-08 1983-07-14 Konishiroku Photo Ind Co Ltd レンズ鏡胴のヘリコイド装置
US4506952A (en) * 1982-07-30 1985-03-26 Philip Morris Incorporated Lens mount
US4707083A (en) * 1984-09-29 1987-11-17 Canon Kabushiki Kaisha Lens moving device
JPH0192618U (de) * 1987-12-12 1989-06-16
AT394786B (de) * 1988-03-16 1992-06-25 Arri Cine & Video Geraete Makroobjektiv mit einem am objektivgehaeuse drehbar gelagerten entfernungsring
AT392697B (de) * 1988-03-16 1991-05-27 Arri Cine & Video Geraete Makro-objektiv
GB8904748D0 (en) * 1989-03-02 1989-04-12 Diemen Films Ltd Camera lens

Also Published As

Publication number Publication date
EP0526585A1 (de) 1993-02-10
JPH05508719A (ja) 1993-12-02
WO1991016661A1 (en) 1991-10-31
DE69121097T2 (de) 1997-03-06
GB9009344D0 (en) 1990-06-20
US5309287A (en) 1994-05-03
EP0526585B1 (de) 1996-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee