JP5663703B1 - レンズ鏡筒 - Google Patents
レンズ鏡筒 Download PDFInfo
- Publication number
- JP5663703B1 JP5663703B1 JP2014521769A JP2014521769A JP5663703B1 JP 5663703 B1 JP5663703 B1 JP 5663703B1 JP 2014521769 A JP2014521769 A JP 2014521769A JP 2014521769 A JP2014521769 A JP 2014521769A JP 5663703 B1 JP5663703 B1 JP 5663703B1
- Authority
- JP
- Japan
- Prior art keywords
- cam
- frame
- lens barrel
- frame member
- groove
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 claims description 34
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 13
- 239000000470 constituent Substances 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
-
- 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
- G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
-
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0046—Movement of one or more optical elements for zooming
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
Description
Claims (4)
- レンズ鏡筒において、
第1のカム溝が形成され第1のカムフォロアが設けられた第1の枠部材と、
上記第1のカム溝と係合する第2のカムフォロアが形成され、上記第1のカムフォロアと係合する第2のカム溝が設けられ、上記第1の枠部材と相対的回転および該回転の軸方向に相対移動する第2の枠部材と、
を具備したことを特徴としたレンズ鏡筒。 - 上記第1の枠部材の一端面に、上記第1のカム溝に繋がる溝の第1の開放端を有し、上記第2の枠部材の一端面に、上記第2のカム溝に繋がる溝の第2の開放端を有し、該第1の開放端に上記第2のカムフォロアを係合させ、該第2の開放端に上記第1のカムフォロアを係合させて組立てられた上記請求項1記載のレンズ鏡筒。
- 上記レンズ鏡筒はズームレンズであり、望遠端状態において、光軸と平行に上記第1のカムフォロアと上記第2のカムフォロアとが一直線状に配置されることを特徴とした上記請求項1又は上記請求項2記載のレンズ鏡筒。
- 第1の枠部材と第2の枠部材とのそれぞれに複数のカムフォロアと複数のカム溝とを有することを特徴とした上記請求項1乃至請求項3のいずれか一項に記載のレンズ鏡筒。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014521769A JP5663703B1 (ja) | 2013-12-13 | 2014-05-01 | レンズ鏡筒 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013258507 | 2013-12-13 | ||
JP2013258507 | 2013-12-13 | ||
PCT/JP2014/062050 WO2015087562A1 (ja) | 2013-12-13 | 2014-05-01 | レンズ鏡筒 |
JP2014521769A JP5663703B1 (ja) | 2013-12-13 | 2014-05-01 | レンズ鏡筒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5663703B1 true JP5663703B1 (ja) | 2015-02-04 |
JPWO2015087562A1 JPWO2015087562A1 (ja) | 2017-03-16 |
Family
ID=52569399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014521769A Active JP5663703B1 (ja) | 2013-12-13 | 2014-05-01 | レンズ鏡筒 |
Country Status (2)
Country | Link |
---|---|
US (2) | US9297982B2 (ja) |
JP (1) | JP5663703B1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022041838A (ja) * | 2020-09-01 | 2022-03-11 | パナソニックIpマネジメント株式会社 | レンズ支持機構およびこれを備えたレンズ鏡筒、カメラ |
JP7550380B2 (ja) | 2020-09-01 | 2024-09-13 | パナソニックIpマネジメント株式会社 | レンズ鏡筒およびこれを備えたカメラ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11174305A (ja) * | 1997-12-10 | 1999-07-02 | Olympus Optical Co Ltd | ズームレンズ鏡筒 |
JP2002048966A (ja) * | 2000-08-07 | 2002-02-15 | Tamron Co Ltd | ズームレンズ及びズームレンズ鏡筒 |
JP2002207151A (ja) * | 2001-01-12 | 2002-07-26 | Minolta Co Ltd | レンズ鏡胴 |
JP2003279829A (ja) * | 2002-03-25 | 2003-10-02 | Ricoh Co Ltd | レンズ鏡筒およびこのレンズ鏡筒を備えた撮像装置 |
JP2009258295A (ja) * | 2008-04-15 | 2009-11-05 | Olympus Corp | レンズ鏡筒 |
JP2012008335A (ja) * | 2010-06-24 | 2012-01-12 | Olympus Imaging Corp | レンズ鏡筒 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6198578B1 (en) * | 1998-10-23 | 2001-03-06 | Olympus Optical Co., Ltd. | Cam follower and lens barrel |
JP4580516B2 (ja) * | 2000-07-12 | 2010-11-17 | オリンパス株式会社 | 鏡枠装置 |
TWI457690B (zh) | 2011-09-30 | 2014-10-21 | Ability Entpr Co Ltd | 鏡頭機構 |
KR20140036648A (ko) | 2012-09-17 | 2014-03-26 | 삼성전자주식회사 | 경통 조립체 및 이를 구비한 촬영장치 |
-
2014
- 2014-05-01 JP JP2014521769A patent/JP5663703B1/ja active Active
-
2015
- 2015-01-29 US US14/608,546 patent/US9297982B2/en not_active Expired - Fee Related
- 2015-10-22 US US14/919,818 patent/US9563034B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11174305A (ja) * | 1997-12-10 | 1999-07-02 | Olympus Optical Co Ltd | ズームレンズ鏡筒 |
JP2002048966A (ja) * | 2000-08-07 | 2002-02-15 | Tamron Co Ltd | ズームレンズ及びズームレンズ鏡筒 |
JP2002207151A (ja) * | 2001-01-12 | 2002-07-26 | Minolta Co Ltd | レンズ鏡胴 |
JP2003279829A (ja) * | 2002-03-25 | 2003-10-02 | Ricoh Co Ltd | レンズ鏡筒およびこのレンズ鏡筒を備えた撮像装置 |
JP2009258295A (ja) * | 2008-04-15 | 2009-11-05 | Olympus Corp | レンズ鏡筒 |
JP2012008335A (ja) * | 2010-06-24 | 2012-01-12 | Olympus Imaging Corp | レンズ鏡筒 |
Also Published As
Publication number | Publication date |
---|---|
US9297982B2 (en) | 2016-03-29 |
JPWO2015087562A1 (ja) | 2017-03-16 |
US9563034B2 (en) | 2017-02-07 |
US20160041364A1 (en) | 2016-02-11 |
US20150168671A1 (en) | 2015-06-18 |
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