JP2006047703A5 - - Google Patents

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Publication number
JP2006047703A5
JP2006047703A5 JP2004228794A JP2004228794A JP2006047703A5 JP 2006047703 A5 JP2006047703 A5 JP 2006047703A5 JP 2004228794 A JP2004228794 A JP 2004228794A JP 2004228794 A JP2004228794 A JP 2004228794A JP 2006047703 A5 JP2006047703 A5 JP 2006047703A5
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JP
Japan
Prior art keywords
optical axis
lens
engaging
cam
cam portion
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Application number
JP2004228794A
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Japanese (ja)
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JP2006047703A (en
JP4603833B2 (en
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Priority to JP2004228794A priority Critical patent/JP4603833B2/en
Priority claimed from JP2004228794A external-priority patent/JP4603833B2/en
Publication of JP2006047703A publication Critical patent/JP2006047703A/en
Publication of JP2006047703A5 publication Critical patent/JP2006047703A5/ja
Application granted granted Critical
Publication of JP4603833B2 publication Critical patent/JP4603833B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (8)

第１の係合部および第２の係合部を有する第１の部材と、前記第１の係合部が係合する第１のカム部を有する第２の部材と、前記第２の係合部を光軸方向にガイドする直進ガイド部を有する第３の部材とを有し、前記第１の部材と前記第２の部材との相対回転により該第１の部材が前記第２および第３の部材に対して光軸方向に移動するレンズ装置であって、
前記第２の係合部は前記第１の部材の周方向における３箇所に設けられ、前記第１の係合部は前記第１の部材の周方向における２箇所に設けられていることを特徴とするレンズ装置。 A first member having a first engaging portion and a second engaging portion; a second member having a first cam portion engaged with the first engaging portion; and the second engaging portion. And a third member having a rectilinear guide portion that guides the joint portion in the optical axis direction, and the first member is rotated by the relative rotation between the first member and the second member. A lens device that moves in the direction of the optical axis with respect to three members,
The second engaging portion is provided at three locations in the circumferential direction of the first member, and the first engaging portion is provided at two locations in the circumferential direction of the first member. Lens device. 前記２箇所の第１の係合部のうち少なくとも１つは、前記第２の部材に対して前記第１のカム部に係合する方向に付勢されていることを特徴とする請求項１に記載のレンズ装置。 2. The at least one of the two first engaging portions is biased in a direction of engaging the first cam portion with respect to the second member. The lens device according to 1. 前記第１の部材は第１のレンズを保持することを特徴とする請求項１又は２に記載のレンズ装置。   The lens device according to claim 1, wherein the first member holds a first lens. 前記２箇所の第１の係合部のうち少なくとも１つと、前記３箇所の第２の係合部のうち少なくとも１つとを一体的に形成したことを特徴とする請求項１から３のいずれか１つに記載のレンズ装置。 4. The device according to claim 1 , wherein at least one of the two first engaging portions and at least one of the three second engaging portions are integrally formed. 5. The lens device according to one. 前記第２の部材は、第２のカム部を有し、
前記第１の部材は、前記第２の係合部から光軸方向に離れた位置に第３の係合部を有し、
該レンズ装置は、前記第３の係合部により光軸直交方向に位置決めされ、かつ前記第２のカム部により光軸方向に駆動される第４の部材を有することを特徴とする請求項１から４のいずれか１つに記載のレンズ装置。 The second member has a second cam portion,
The first member has a third engagement portion at a position away from the second engagement portion in the optical axis direction,
The lens apparatus according to claim 1, characterized in that it comprises the third is positioned in the direction orthogonal to the optical axis by the engagement portion, and a fourth member which is driven in the optical axis direction by the second cam portion 5. The lens device according to any one of 1 to 4. 前記第４の部材は、前記第１の部材が保持する第１のレンズよりも物体側に配置される第２のレンズを保持することを特徴とする請求項５に記載のレンズ装置。 The lens device according to claim 5, wherein the fourth member holds a second lens disposed closer to the object side than the first lens held by the first member . 第１のカム部、第２のカム部および第３のカム部を有し、かつ光軸回りで回転する第１の部材と、
前記第１のカム部により光軸方向に駆動される第２の部材と、
前記第２のカム部により前記光軸方向に駆動される第３の部材と、
前記第３のカム部により前記光軸方向に駆動される第４の部材とを有し、
前記第１の部材における同一の面において、前記第１のカム部は該第１の部材の回転方向に複数設けられており、前記第２および第３のカム部は前記複数の第１のカム部とは前記光軸方向において異なる位置であって、前記回転方向において互いに異なる範囲に設けられていることを特徴とするレンズ装置。 A first member having a first cam portion, a second cam portion, and a third cam portion , and rotating around an optical axis;
A second member driven in the optical axis direction by the first cam portion;
A third member driven in the optical axis direction by the second cam portion;
A fourth member driven in the optical axis direction by the third cam portion,
On the same surface of the first member, a plurality of the first cam portions are provided in the rotation direction of the first member, and the second and third cam portions are the plurality of first cams. The lens device is provided at different positions in the optical axis direction and in different ranges in the rotation direction. 請求項１から７のいずれか１つに記載のレンズ装置と、
該レンズ装置により形成された被写体像を光電変換する撮像素子とを有することを特徴とする撮像装置。
A lens apparatus according to any one of claims 1 to 7;
Imaging device and having an image pickup element for photoelectrically converting an object image formed by the lens apparatus.
JP2004228794A 2004-08-05 2004-08-05 LENS DEVICE AND IMAGING DEVICE Expired - Fee Related JP4603833B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004228794A JP4603833B2 (en) 2004-08-05 2004-08-05 LENS DEVICE AND IMAGING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004228794A JP4603833B2 (en) 2004-08-05 2004-08-05 LENS DEVICE AND IMAGING DEVICE

Publications (3)

Publication Number Publication Date
JP2006047703A JP2006047703A (en) 2006-02-16
JP2006047703A5 true JP2006047703A5 (en) 2007-09-20
JP4603833B2 JP4603833B2 (en) 2010-12-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004228794A Expired - Fee Related JP4603833B2 (en) 2004-08-05 2004-08-05 LENS DEVICE AND IMAGING DEVICE

Country Status (1)

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JP (1) JP4603833B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5013719B2 (en) * 2006-02-20 2012-08-29 キヤノン株式会社 LENS DEVICE AND IMAGING DEVICE
WO2012023264A1 (en) * 2010-08-19 2012-02-23 パナソニック株式会社 Lens barrel
JP5834581B2 (en) * 2011-07-25 2015-12-24 株式会社ニコン Lens barrel and imaging device
JP6004223B2 (en) * 2011-08-01 2016-10-05 パナソニックＩｐマネジメント株式会社 Lens barrel and imaging device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3957836B2 (en) * 1997-10-07 2007-08-15 キヤノン株式会社 Optical equipment
JP2000275501A (en) * 1999-03-26 2000-10-06 Fuji Photo Optical Co Ltd Lens barrel

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