JP2008268627A5 - - Google Patents

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Publication number
JP2008268627A5
JP2008268627A5 JP2007112724A JP2007112724A JP2008268627A5 JP 2008268627 A5 JP2008268627 A5 JP 2008268627A5 JP 2007112724 A JP2007112724 A JP 2007112724A JP 2007112724 A JP2007112724 A JP 2007112724A JP 2008268627 A5 JP2008268627 A5 JP 2008268627A5
Authority
JP
Japan
Prior art keywords
gear
slip
rotating plate
movable unit
contact
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
JP2007112724A
Other languages
Japanese (ja)
Other versions
JP5030655B2 (en
JP2008268627A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007112724A priority Critical patent/JP5030655B2/en
Priority claimed from JP2007112724A external-priority patent/JP5030655B2/en
Publication of JP2008268627A publication Critical patent/JP2008268627A/en
Publication of JP2008268627A5 publication Critical patent/JP2008268627A5/ja
Application granted granted Critical
Publication of JP5030655B2 publication Critical patent/JP5030655B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (6)

  1. 回転軸に回転可能に取り付けられたギアと、
    前記回転軸に前記回転軸と一体で回転可能に取り付けられた回転プレートと、
    前記回転プレート前記ギアに対して押し当てる付勢
    を備え、
    前記ギア前記回転プレートとの当接面、前記ギア側に仮想頂点を有する円錐面形状であることを特徴とするスリップ機構
    A gear rotatably mounted on a rotating shaft ;
    A rotating plate rotatably mounted in the rotating shaft and integrally with the rotary shaft,
    Said rotating plate and a said push and with Ru against pressing portion against the gear,
    The slip mechanism , wherein the contact surface between the gear and the rotating plate has a conical surface shape having a virtual vertex on the gear side .
  2. 前記当接面は、前記ギアまたは前記回転プレートの外周近傍に位置することを特徴とする請求項1に記載のスリップ機構。The slip mechanism according to claim 1, wherein the contact surface is located in the vicinity of an outer periphery of the gear or the rotating plate.
  3. 前記当接面は、前記回転軸を中心とする環状であることを特徴とする請求項1または2に記載のスリップ機構。The slip mechanism according to claim 1 or 2, wherein the contact surface has an annular shape centering on the rotation shaft.
  4. 前記回転プレートを前記ギアに対して押し当てる押し圧を調節する調節部材を有することを特徴とする請求項1から3までの何れか1項に記載のスリップ機構。The slip mechanism according to any one of claims 1 to 3, further comprising an adjusting member that adjusts a pressing pressure that presses the rotating plate against the gear.
  5. 写レンズユニットを支持し、前記投写レンズユニットの光軸に対して直交する方向に移動可能な可動ユニットと、
    前記可動ユニットを移動させる駆動力を発生する駆動装置と、
    前記可動ユニットに当接して移動範囲を規制するストッパと、
    前記可動ユニットが前記ストッパに当接した状態で、前記駆動装置の駆動力が前記可動ユニットに伝達されないようにするための、請求項1から4までの何れか1項に記載のスリップ機構と
    を備えたことを特徴とするレンズシフト機構。
    Supporting the projection shooting lens unit, and moves a movable unit in a direction perpendicular to the optical axis of the projection lens unit,
    A driving device for generating a driving force for moving the movable unit;
    A stopper that abuts on the movable unit and regulates a moving range;
    The slip mechanism according to any one of claims 1 to 4 , wherein a driving force of the driving device is not transmitted to the movable unit in a state where the movable unit is in contact with the stopper.
    A lens shift mechanism comprising:
  6. 請求項5に記載のレンズシフト機構を備えた投写型映像表示装置。A projection display apparatus comprising the lens shift mechanism according to claim 5.
JP2007112724A 2007-04-23 2007-04-23 Lens shift mechanism and projection-type image display device Expired - Fee Related JP5030655B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007112724A JP5030655B2 (en) 2007-04-23 2007-04-23 Lens shift mechanism and projection-type image display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007112724A JP5030655B2 (en) 2007-04-23 2007-04-23 Lens shift mechanism and projection-type image display device

Publications (3)

Publication Number Publication Date
JP2008268627A JP2008268627A (en) 2008-11-06
JP2008268627A5 true JP2008268627A5 (en) 2010-06-17
JP5030655B2 JP5030655B2 (en) 2012-09-19

Family

ID=40048198

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007112724A Expired - Fee Related JP5030655B2 (en) 2007-04-23 2007-04-23 Lens shift mechanism and projection-type image display device

Country Status (1)

Country Link
JP (1) JP5030655B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9154755B2 (en) 2012-09-28 2015-10-06 Seiko Epson Corporation Projector with a lens shift mechanism configured to move a projection lens
JP6070019B2 (en) * 2012-09-28 2017-02-01 セイコーエプソン株式会社 projector
JP6079795B2 (en) * 2015-01-29 2017-02-15 セイコーエプソン株式会社 projector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004317988A (en) * 2003-04-18 2004-11-11 Chinontec Kk Lens barrel supporting device and projection type display device
JP4278422B2 (en) * 2003-04-18 2009-06-17 チノンテック株式会社 Lens barrel support device and projection display device
JP3963879B2 (en) * 2003-08-04 2007-08-22 三洋電機株式会社 Lens shift mechanism and projection-type image display device
JP5005196B2 (en) * 2005-07-25 2012-08-22 株式会社コシナ Lens shift mechanism of projector

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