JPH0210514U - - Google Patents

Info

Publication number
JPH0210514U
JPH0210514U JP1988089557U JP8955788U JPH0210514U JP H0210514 U JPH0210514 U JP H0210514U JP 1988089557 U JP1988089557 U JP 1988089557U JP 8955788 U JP8955788 U JP 8955788U JP H0210514 U JPH0210514 U JP H0210514U
Authority
JP
Japan
Prior art keywords
cam ring
helicoid
gear
drive mechanism
optical axis
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
JP1988089557U
Other languages
Japanese (ja)
Other versions
JP2572803Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988089557U priority Critical patent/JP2572803Y2/en
Priority to CA000601515A priority patent/CA1331429C/en
Priority to AT89110047T priority patent/ATE112862T1/en
Priority to EP94104972A priority patent/EP0609910B1/en
Priority to AT94104980T priority patent/ATE173838T1/en
Priority to DE1994622433 priority patent/DE69422433T2/en
Priority to AT94104973T priority patent/ATE184996T1/en
Priority to EP94104979A priority patent/EP0609912B1/en
Priority to AT94104979T priority patent/ATE188554T1/en
Priority to EP94104980A priority patent/EP0609913B1/en
Priority to DE68929078T priority patent/DE68929078T2/en
Priority to US07/361,632 priority patent/US5144493A/en
Priority to DE68928864T priority patent/DE68928864T2/en
Priority to DE68918756T priority patent/DE68918756T2/en
Priority to EP89110047A priority patent/EP0344806B1/en
Priority to DE1989629135 priority patent/DE68929135T2/en
Priority to AT94104972T priority patent/ATE188781T1/en
Priority to EP94104973A priority patent/EP0609911B1/en
Priority to KR1019890007642A priority patent/KR970002510B1/en
Priority to AU36023/89A priority patent/AU631796B2/en
Publication of JPH0210514U publication Critical patent/JPH0210514U/ja
Priority to US07/829,211 priority patent/US5231449A/en
Priority to US07/829,213 priority patent/US5262898A/en
Priority to US07/829,873 priority patent/US5164757A/en
Priority to US07/831,205 priority patent/US5270868A/en
Priority to AU34044/93A priority patent/AU650384B2/en
Priority to AU34046/93A priority patent/AU646196C/en
Priority to AU34043/93A priority patent/AU647986B2/en
Priority to AU34045/93A priority patent/AU645926B2/en
Priority to HK98100505A priority patent/HK1001572A1/en
Priority to HK98104017.4A priority patent/HK1004866B/en
Priority to HK98104018.3A priority patent/HK1004867B/en
Priority to HK98104015.6A priority patent/HK1004864B/en
Priority to HK98104016.5A priority patent/HK1004865B/en
Application granted granted Critical
Publication of JP2572803Y2 publication Critical patent/JP2572803Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ないし第３図は、本考案に係るズームレ
ンズの駆動機構を適用したズームレンズを光軸で
縦断して上半分を示す端面図であつて、第１図は
収納状態、第２図はワイド端状態、第３図はテレ
端状態をそれぞれ示す図、第４図は、カム環、レ
ンズ案内環、雄ヘリコイド環の展開図、第５図は
同ズームレンズの要部を示す斜視図である。 １１……カメラボデイ、１２……固定筒、１５
，１６……移動レンズ、１８……雌ヘリコイド環
、１８ａ……雌ヘリコイド、１８ｂ……切欠、２
０……雄ヘリコイド環、２２……カム環、２４…
…レンズ案内環、２６……直進案内板、３０……
前群レンズ枠、３１……後群レンズ枠、３４……
前群移動枠、３５，３６……ガイドピン、３８…
…レンズカバー筒、４１……前群カム溝、４２…
…後群カム溝、４３，４４……レンズガイド溝、
５１……雄ヘリコイド、５１ａ，５１ｂ……ヘリ
コイド山、５２……ギア、５４……モータ、５５
……ピニオン（駆動ギア）、５６……固定板。 1 to 3 are end views showing the upper half of a zoom lens to which the zoom lens drive mechanism according to the present invention is applied, taken longitudinally along the optical axis, in which FIG. 1 is in the stored state, and FIG. 3 is a diagram showing the wide end state, FIG. 3 is a diagram showing the telephoto end state, FIG. 4 is a developed view of the cam ring, lens guide ring, and male helicoid ring, and FIG. 5 is a perspective view showing the main parts of the zoom lens. It is. 11...Camera body, 12...Fixed barrel, 15
, 16...Moving lens, 18...Female helicoid ring, 18a...Female helicoid, 18b...Notch, 2
0...Male helicoid ring, 22...Cam ring, 24...
...Lens guide ring, 26... Straight guide plate, 30...
Front group lens frame, 31... Rear group lens frame, 34...
Front group moving frame, 35, 36...Guide pin, 38...
...Lens cover tube, 41...Front group cam groove, 42...
...Rear group cam groove, 43, 44... Lens guide groove,
51... Male helicoid, 51a, 51b... Helicoid mountain, 52... Gear, 54... Motor, 55
...Pinion (driving gear), 56...Fixing plate.

Claims (1)

【実用新案登録請求の範囲】 (1) カメラボデイに対して固定される、雌ヘリ
コイドを有する固定筒と；この固定筒の雌ヘリコ
イドと螺合する雄ヘリコイドを有するカム環と；
このカム環の雄ヘリコイドのヘリコイド山に沿わ
せて形成したギアと；このギアと噛み合う駆動ギ
アを有するカム環駆動機構と；上記カム環と光軸
方向には一体に動き、かつカム環の光軸方向移動
に伴い該カム環に対して相対回転するレンズ案内
環と；上記カム環およびレンズ案内環に対して支
持され、これらの光軸方向移動および相対回転に
より所定の軌跡で光軸方向に接離移動して焦点距
離を変える、少なくとも前後二群の移動レンズと
を有することを特徴とするズームレンズの駆動機
構。 (2) 請求項１において、上記カム環のギアは、
雄ヘリコイドの複数のヘリコイド山の間にヘリコ
イド山に変えて形成され、該ギアの歯の前後両端
面が、ヘリコイド山に連なつているズームレンズ
の駆動機構。 (3) 請求項１または２において、カム環のギア
および駆動ギアの歯すじが光軸方向に形成されて
いるズームレンズの駆動機構。 (4) 請求項１または２において、駆動ギアの歯
の前後両端部が、面取りされているズームレンズ
の駆動機構。[Claims for Utility Model Registration] (1) A fixed barrel having a female helicoid fixed to the camera body; a cam ring having a male helicoid screwed into the female helicoid of the fixed barrel;
a gear formed along the helicoid mountain of the male helicoid of the cam ring; a cam ring drive mechanism having a drive gear that meshes with the gear; a cam ring drive mechanism that moves integrally with the cam ring in the optical axis direction; a lens guide ring that rotates relative to the cam ring as it moves in the axial direction; is supported by the cam ring and the lens guide ring, and moves in the optical axis direction and rotates relative to the optical axis in a predetermined trajectory; A zoom lens drive mechanism comprising at least two groups of movable lenses, front and rear, which move toward and away from each other to change the focal length. (2) In claim 1, the gear of the cam ring is
A zoom lens drive mechanism in which a male helicoid is formed between a plurality of helicoid peaks instead of a helicoid peak, and both front and rear end surfaces of gear teeth are connected to the helicoid peaks. (3) The zoom lens drive mechanism according to claim 1 or 2, wherein the tooth traces of the gear of the cam ring and the drive gear are formed in the optical axis direction. (4) The zoom lens drive mechanism according to claim 1 or 2, wherein both front and rear ends of the teeth of the drive gear are chamfered.
JP1988089557U 1988-06-03 1988-07-06 Drive mechanism for zoom lens Expired - Lifetime JP2572803Y2 (en)

Priority Applications (33)

Application Number Priority Date Filing Date Title
JP1988089557U JP2572803Y2 (en) 1988-07-06 1988-07-06 Drive mechanism for zoom lens
CA000601515A CA1331429C (en) 1988-06-03 1989-06-01 Zoom lens barrel and camera incorporating such barrel
EP94104972A EP0609910B1 (en) 1988-06-03 1989-06-02 Apparatus for selectively opening and closing a photographic opening in a lens cover
AT94104980T ATE173838T1 (en) 1988-06-03 1989-06-02 FLEXIBLE PRINTED CIRCUIT BOARD FOR A CAMERA
DE1994622433 DE69422433T2 (en) 1988-06-03 1989-06-02 Device for the selective positioning of a corrective optical element in a camera
AT94104973T ATE184996T1 (en) 1988-06-03 1989-06-02 ZOOM LENS
EP94104979A EP0609912B1 (en) 1988-06-03 1989-06-02 Apparatus for selectively positioning a correcting optical element in a camera
AT94104979T ATE188554T1 (en) 1988-06-03 1989-06-02 DEVICE FOR SELECTIVE POSITIONING OF A CORRECTIVE OPTICAL ELEMENT IN A CAMERA
EP94104980A EP0609913B1 (en) 1988-06-03 1989-06-02 Flexible printed circuit board for a camera
DE68929078T DE68929078T2 (en) 1988-06-03 1989-06-02 zoom lens
US07/361,632 US5144493A (en) 1988-06-03 1989-06-02 Zoom lens barrel and camera incorporating such barrel
DE68928864T DE68928864T2 (en) 1988-06-03 1989-06-02 Flexible printed circuit board for one camera
DE68918756T DE68918756T2 (en) 1988-06-03 1989-06-02 Drive for a zoom lens.
EP89110047A EP0344806B1 (en) 1988-06-03 1989-06-02 Drive mechanism for a zoom lens
DE1989629135 DE68929135T2 (en) 1988-06-03 1989-06-02 Device for selectively opening and closing a photographic opening of a lens cover
AT94104972T ATE188781T1 (en) 1988-06-03 1989-06-02 DEVICE FOR SELECTIVELY OPENING AND CLOSING A PHOTOGRAPHIC OPENING OF A LENS COVER
AT89110047T ATE112862T1 (en) 1988-06-03 1989-06-02 DRIVE FOR A ZOOM LENS.
EP94104973A EP0609911B1 (en) 1988-06-03 1989-06-02 Zoom lens
KR1019890007642A KR970002510B1 (en) 1988-06-03 1989-06-03 Zoom lens barrel
AU36023/89A AU631796B2 (en) 1988-06-03 1989-06-05 Zoom lens barrel and camera incorporating such barrel
US07/829,211 US5231449A (en) 1988-06-03 1992-01-31 Zoom lens barrel and camera incorporating such barrel
US07/829,213 US5262898A (en) 1988-06-03 1992-01-31 Zoom lens barrel and camera incorporating such barrel
US07/829,873 US5164757A (en) 1988-06-03 1992-01-31 Zoom lens barrel and camera incorporating such barrel
US07/831,205 US5270868A (en) 1988-06-03 1992-01-31 Zoom lens barrel and camera incorporating such barrel
AU34043/93A AU647986B2 (en) 1988-06-03 1993-03-08 Zoom lens barrel and camera incorporating such barrel
AU34046/93A AU646196C (en) 1988-06-03 1993-03-08 Zoom lens barrel and camera incorporating such barrel
AU34045/93A AU645926B2 (en) 1988-06-03 1993-03-08 Zoom lens barrel and camera incorporating such barrel
AU34044/93A AU650384B2 (en) 1988-06-03 1993-03-08 Zoom lens barrel and camera incorporating such barrel
HK98100505A HK1001572A1 (en) 1988-06-03 1998-01-20 Drive mechanism for a zoom lens
HK98104017.4A HK1004866B (en) 1988-06-03 1998-05-08 Flexible printed circuit board for a camera
HK98104018.3A HK1004867B (en) 1988-06-03 1998-05-08 Apparatus for selectively opening and closing a photographic opening in a lens cover
HK98104015.6A HK1004864B (en) 1988-06-03 1998-05-08 Apparatus for selectively positioning a correcting optical element in a camera
HK98104016.5A HK1004865B (en) 1988-06-03 1998-05-08 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988089557U JP2572803Y2 (en) 1988-07-06 1988-07-06 Drive mechanism for zoom lens

Publications (2)

Publication Number Publication Date
JPH0210514U true JPH0210514U (en) 1990-01-23
JP2572803Y2 JP2572803Y2 (en) 1998-05-25

Family

ID=31314102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988089557U Expired - Lifetime JP2572803Y2 (en) 1988-06-03 1988-07-06 Drive mechanism for zoom lens

Country Status (1)

Country Link
JP (1) JP2572803Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04221915A (en) * 1990-12-21 1992-08-12 Fuji Photo Film Co Ltd Lens barrel
JPH0655109U (en) * 1992-12-25 1994-07-26 旭光学工業株式会社 Linear guide mechanism for zoom lens barrel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62127513U (en) * 1986-02-06 1987-08-13
JPS6383712A (en) * 1986-09-29 1988-04-14 Kyocera Corp Zoom lens barrel
JPH01306808A (en) * 1988-06-03 1989-12-11 Asahi Optical Co Ltd Lens barrel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62127513U (en) * 1986-02-06 1987-08-13
JPS6383712A (en) * 1986-09-29 1988-04-14 Kyocera Corp Zoom lens barrel
JPH01306808A (en) * 1988-06-03 1989-12-11 Asahi Optical Co Ltd Lens barrel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04221915A (en) * 1990-12-21 1992-08-12 Fuji Photo Film Co Ltd Lens barrel
JPH0655109U (en) * 1992-12-25 1994-07-26 旭光学工業株式会社 Linear guide mechanism for zoom lens barrel

Also Published As

Publication number Publication date
JP2572803Y2 (en) 1998-05-25

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