JP2007041151A5 - - Google Patents

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Publication number
JP2007041151A5
JP2007041151A5 JP2005223194A JP2005223194A JP2007041151A5 JP 2007041151 A5 JP2007041151 A5 JP 2007041151A5 JP 2005223194 A JP2005223194 A JP 2005223194A JP 2005223194 A JP2005223194 A JP 2005223194A JP 2007041151 A5 JP2007041151 A5 JP 2007041151A5
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JP
Japan
Prior art keywords
lens
moving
shaft
lens holding
holding frame
Prior art date
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Pending
Application number
JP2005223194A
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Japanese (ja)
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JP2007041151A (en
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Publication date
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Priority to JP2005223194A priority Critical patent/JP2007041151A/en
Priority claimed from JP2005223194A external-priority patent/JP2007041151A/en
Publication of JP2007041151A publication Critical patent/JP2007041151A/en
Publication of JP2007041151A5 publication Critical patent/JP2007041151A5/ja
Pending legal-status Critical Current

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Claims (6)

固定レンズに対向するレンズを保持する移動レンズ保持枠と、前記移動レンズ保持枠を前記固定レンズの光軸方向に移動可能に支持する支持手段と、前記レンズ保持枠を前記固定レンズの光軸方向に移動させる駆動手段とを少なくとも有するレンズ駆動装置であって、
前記移動レンズ保持枠に軸受部、及び当接部を所定間隔で一直線上に設ける一方、この移動レンズ保持枠の軸受部に挿入され、前記固定レンズの光軸と平行にその長手方向が沿うように回動自在に配される軸状部材の一方側に軸部を設け、他方側に雄ねじ部を設ける構成において、
前記支持手段を前記移動レンズ保持枠に設けられた軸受部と、前記軸状部材の軸部とで構成する一方、前記駆動手段を前記移動レンズ保持枠に設けられた当接部と、前記軸状部材にもうけた雄ねじ部と、該雄ねじ部に螺合され前記当接部に当接するように配置される雌ねじ部を持つ移動部材とで構成することを特徴とするレンズ駆動装置。 A moving lens holding frame that holds a lens facing the fixed lens, a support means that supports the moving lens holding frame so as to be movable in the optical axis direction of the fixed lens, and the lens holding frame in the optical axis direction of the fixed lens A lens driving device having at least driving means for moving
The moving lens holding frame is provided with a bearing portion and a contact portion on a straight line at a predetermined interval, and is inserted into the bearing portion of the moving lens holding frame so that its longitudinal direction is parallel to the optical axis of the fixed lens. In a configuration in which a shaft portion is provided on one side of a shaft-like member that is rotatably arranged on the side, and a male screw portion is provided on the other side,
The support means includes a bearing portion provided on the moving lens holding frame and a shaft portion of the shaft-like member, while the driving means is provided on an abutting portion provided on the moving lens holding frame, and the shaft. A lens driving device comprising: a male screw portion provided on a cylindrical member; and a moving member having a female screw portion that is screwed into the male screw portion and disposed so as to contact the contact portion. 固定レンズに対向するレンズを保持するレンズ保持部の一方側に、所定間隔で一直線上に設けられる、支持手段を構成する軸受部、及び腕部の一部であって駆動手段を構成する当接部を備える移動レンズ保持枠と、
前記固定レンズの光軸と平行にその長手方向が沿うように回動自在に配設され、一端部側に前記軸受部に挿入配置されて支持手段を構成する軸部を有し、他端部側に駆動手段となる雄ねじ部を有する軸状部材と、
前記軸状部材の雄ねじ部に螺合され、この螺合状態で前記当接部に当接するように配置される前記駆動手段を構成する雌ねじ部を持つ移動部材と、
を具備することを特徴とするレンズ駆動装置。 A bearing part constituting a support means and a part of an arm part, which is provided in a straight line at a predetermined interval on one side of a lens holding part that holds a lens facing the fixed lens, and a contact that constitutes a drive means A moving lens holding frame comprising a portion;
It is rotatably arranged so that its longitudinal direction is parallel to the optical axis of the fixed lens, and has a shaft portion that is inserted into the bearing portion and constitutes support means on one end side, and the other end portion. A shaft-like member having a male screw portion serving as a driving means on the side;
A moving member having a female screw portion that constitutes the driving means that is screwed into the male screw portion of the shaft-like member and arranged to come into contact with the contact portion in this screwed state;
A lens driving device comprising: 前記移動部材が前記当接部に当接した状態において、該移動部材の雌ねじ部を前記軸状部材の雄ねじ部に密着配置させる付勢手段を、前記移動レンズ保持枠を構成する前記腕部を前記移動部材側に付勢するように設けたことを特徴とする請求項２に記載のレンズ駆動装置。   In a state where the moving member is in contact with the contact portion, an urging means for closely arranging the female screw portion of the moving member to the male screw portion of the shaft-like member, the arm portion constituting the moving lens holding frame is provided. The lens driving device according to claim 2, wherein the lens driving device is provided so as to be biased toward the moving member. 固定レンズに対向するレンズを保持するレンズ保持部の一方側に、所定間隔で一直線上に設けられる支持手段を構成する第１の軸受部、及び腕部の一部であって駆動手段を構成する当接部を備え、該レンズ保持部の他方側に回転防止用凸部の一部であって前記支持手段を構成する係入部を備える２つの移動レンズ保持枠と、
前記固定レンズの光軸と平行にその長手方向が沿うように回動自在に配設され、前記移動レンズ保持枠に設けられた第１の軸受部、及び回転防止用凸部の係入部が配置されて支持手段となる軸部、及び当接部が配置されて駆動手段となる雄ねじ部を有する、一対の軸状部材と、
前記軸状部材の雄ねじ部に螺合され、この螺合状態で前記当接部に当接するように配置される前記駆動手段を構成する雌ねじ部を持つ移動部材と、
を具備することを特徴とするレンズ駆動装置。 A first bearing portion that constitutes a support means provided on a straight line at a predetermined interval on one side of a lens holding portion that holds a lens that faces the fixed lens, and a part of an arm portion that constitutes a driving means. Two moving lens holding frames provided with an abutting part, and provided with an engaging part which is a part of the rotation preventing convex part and constitutes the supporting means on the other side of the lens holding part;
A first bearing portion provided on the movable lens holding frame and an engaging portion for a rotation preventing convex portion are arranged so as to be rotatable so that the longitudinal direction thereof is parallel to the optical axis of the fixed lens. A pair of shaft-shaped members having a shaft portion to be a support means and a male screw portion in which a contact portion is disposed and serves as a drive means;
A moving member having a female screw portion that constitutes the driving means that is screwed into the male screw portion of the shaft-like member and arranged to come into contact with the contact portion in this screwed state;
A lens driving device comprising: 前記移動部材に片寄せバネを設けたことを特徴とする請求項４に記載のレンズ駆動装置。   The lens driving device according to claim 4, wherein a biasing spring is provided on the moving member. 前記リードスクリューの軸部を、表面粗さ０．８Ｓ以下で研磨加工したことを特徴とする請求項２又は請求項４に記載のレンズ駆動装置。   5. The lens driving device according to claim 2, wherein the shaft portion of the lead screw is polished with a surface roughness of 0.8 S or less.
JP2005223194A 2005-08-01 2005-08-01 Lens driving device Pending JP2007041151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005223194A JP2007041151A (en) 2005-08-01 2005-08-01 Lens driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005223194A JP2007041151A (en) 2005-08-01 2005-08-01 Lens driving device

Publications (2)

Publication Number Publication Date
JP2007041151A JP2007041151A (en) 2007-02-15
JP2007041151A5 true JP2007041151A5 (en) 2008-06-05

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ID=37799207

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005223194A Pending JP2007041151A (en) 2005-08-01 2005-08-01 Lens driving device

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4773393B2 (en) * 2007-03-28 2011-09-14 株式会社大都技研 Amusement stand
JP4538755B2 (en) 2007-10-31 2010-09-08 ソニー株式会社 Lens barrel and imaging device
JP2010243697A (en) * 2009-04-03 2010-10-28 Hoya Corp Focusing apparatus using resin lead screw
CN104110473A (en) * 2014-06-24 2014-10-22 苏州世优佳电子科技有限公司 Focusing motor with mobile cushion cover
JP2020194074A (en) * 2019-05-28 2020-12-03 キヤノン株式会社 Optical instrument

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07109092B2 (en) * 1986-12-26 1995-11-22 フロントエンジニアリング株式会社 Grout injection controller
JPH04134408A (en) * 1990-09-27 1992-05-08 Sony Corp Lens barrel
JP3089500B2 (en) * 1991-09-27 2000-09-18 ソニー株式会社 Method of manufacturing lens barrel and shaft used for the barrel
JPH05257048A (en) * 1992-03-13 1993-10-08 Sony Corp Lens barrel
JPH1020177A (en) * 1996-06-28 1998-01-23 Canon Inc Lens driving device, lens barrel and optical equipment
JP2002341226A (en) * 2001-05-17 2002-11-27 Matsushita Electric Ind Co Ltd Lens controller
JP2003090949A (en) * 2001-09-18 2003-03-28 Nidec Copal Corp Lens driving device
JP4004399B2 (en) * 2002-12-24 2007-11-07 富士フイルム株式会社 Lens drive device for optical equipment

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