JP2009145590A5 - - Google Patents

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Publication number
JP2009145590A5
JP2009145590A5 JP2007322383A JP2007322383A JP2009145590A5 JP 2009145590 A5 JP2009145590 A5 JP 2009145590A5 JP 2007322383 A JP2007322383 A JP 2007322383A JP 2007322383 A JP2007322383 A JP 2007322383A JP 2009145590 A5 JP2009145590 A5 JP 2009145590A5
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JP
Japan
Prior art keywords
protrusions
groove
frame member
optical axis
lens barrel
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.)
Granted
Application number
JP2007322383A
Other languages
Japanese (ja)
Other versions
JP4891213B2 (en
JP2009145590A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007322383A priority Critical patent/JP4891213B2/en
Priority claimed from JP2007322383A external-priority patent/JP4891213B2/en
Priority to CN2008101846892A priority patent/CN101458387B/en
Publication of JP2009145590A publication Critical patent/JP2009145590A/en
Publication of JP2009145590A5 publication Critical patent/JP2009145590A5/ja
Application granted granted Critical
Publication of JP4891213B2 publication Critical patent/JP4891213B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (2)

繰り出し機構を有するレンズ鏡筒において、
カム溝を有し、円周溝を周面に有する第１の枠部材と、
カムフォロワを有し、該カムフォロワが上記カム溝に嵌入して回動方向及び光軸方向に移動可能な第２の枠部材と、
上記カムフォロワと係合して上記第２の枠部材を相対的に光軸方向に移動可能とさせる直進溝を有し、上記第１の枠部材に対して一体的に回動すると共に、上記円周溝に嵌入して上記第２の部材に対して光軸方向に相対移動しないようにする複数の突部を有する第３の枠部材と、
を有し、前記複数の突部は二個設けられ、この二個の突部は円周方向に並べて配置され、かつ該二個の突部の間に上記直進溝が挟まれるように配置されていることを特徴とするレンズ鏡筒。 In a lens barrel having a feeding mechanism,
A first frame member having a cam groove and having a circumferential groove on a peripheral surface;
A second frame member having a cam follower, the cam follower being fitted in the cam groove and movable in a rotation direction and an optical axis direction;
It has a rectilinear groove that engages with the cam follower and makes the second frame member relatively movable in the optical axis direction, and rotates integrally with the first frame member, and the circle A third frame member having a plurality of protrusions which are fitted into the circumferential groove so as not to move relative to the second member in the optical axis direction;
Have a, the plurality of projections are provided two, the two projections are arranged in the circumferential direction, and is arranged such that the straight groove is sandwiched between the two protrusions A lens barrel characterized by that . 上記複数の突部は四個設けられ、このうち二つの突部は光軸方向に並べて配置され、他の二つの突部は上記二つの突部に対向するように配置され、かつ上記二つの突部と上記他の二つの突部との間に上記直進溝が挟まれるように配置されていることを特徴とする請求項１に記載のレンズ鏡筒。The plurality of protrusions are provided, two of which are arranged side by side in the optical axis direction, the other two protrusions are disposed so as to face the two protrusions, and the two protrusions 2. The lens barrel according to claim 1, wherein the lens barrel is arranged such that the straight groove is sandwiched between a protrusion and the other two protrusions.
JP2007322383A 2007-12-13 2007-12-13 Lens barrel Expired - Fee Related JP4891213B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007322383A JP4891213B2 (en) 2007-12-13 2007-12-13 Lens barrel
CN2008101846892A CN101458387B (en) 2007-12-13 2008-12-15 Lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007322383A JP4891213B2 (en) 2007-12-13 2007-12-13 Lens barrel

Publications (3)

Publication Number Publication Date
JP2009145590A JP2009145590A (en) 2009-07-02
JP2009145590A5 true JP2009145590A5 (en) 2010-11-18
JP4891213B2 JP4891213B2 (en) 2012-03-07

Family

ID=40769348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007322383A Expired - Fee Related JP4891213B2 (en) 2007-12-13 2007-12-13 Lens barrel

Country Status (2)

Country Link
JP (1) JP4891213B2 (en)
CN (1) CN101458387B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5454024B2 (en) * 2009-09-08 2014-03-26 株式会社ニコン Optical apparatus and imaging apparatus
JP5414471B2 (en) * 2009-11-20 2014-02-12 キヤノン株式会社 Lens barrel and imaging device
JP2012027069A (en) * 2010-07-20 2012-02-09 Canon Inc Lens barrel and optical instrument
WO2012102005A1 (en) 2011-01-24 2012-08-02 パナソニック株式会社 Lens barrel
KR20140014849A (en) 2012-07-26 2014-02-06 삼성전자주식회사 Lens barrel assembly and photographing apparatus having the same
WO2016104547A1 (en) * 2014-12-26 2016-06-30 株式会社ニコン Lens barrel and camera
JP2021179469A (en) * 2020-05-11 2021-11-18 キヤノン株式会社 Optical apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3288918B2 (en) * 1996-02-21 2002-06-04 旭光学工業株式会社 Lens barrel
JP3798950B2 (en) * 2001-03-22 2006-07-19 ペンタックス株式会社 Zoom lens barrel feeding structure
JP4369666B2 (en) * 2003-02-03 2009-11-25 Ｈｏｙａ株式会社 Lens barrel advance / retreat drive mechanism and advance / retreat drive mechanism

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