JPH038305U - - Google Patents

Info

Publication number
JPH038305U
JPH038305U JP6763989U JP6763989U JPH038305U JP H038305 U JPH038305 U JP H038305U JP 6763989 U JP6763989 U JP 6763989U JP 6763989 U JP6763989 U JP 6763989U JP H038305 U JPH038305 U JP H038305U
Authority
JP
Japan
Prior art keywords
lens frame
lens
holder
inscribed diameter
slip
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
JP6763989U
Other languages
Japanese (ja)
Other versions
JPH0738889Y2 (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 JP6763989U priority Critical patent/JPH0738889Y2/en
Publication of JPH038305U publication Critical patent/JPH038305U/ja
Application granted granted Critical
Publication of JPH0738889Y2 publication Critical patent/JPH0738889Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Description

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

第１図は本考案装置の一実施例の要部を縦断し
て示す要部縦断側面図、第２図はその要部の一部
を拡大して示す拡大縦断側面図、第３図は本考案
に係る保持具を鏡胴に収納した状態を示す要部の
概略正面図、第４図はレンズ枠を装着したときの
保持具の状態を示す要部の概略正面図であり、第
５図は従来装置の一実施例の要部を縦断して示す
要部縦断側面図である。 １……鏡胴、１Ａ……抜け防止溝、１Ｂ……底
壁面、１Ｄ……嵌合径部、１Ｐ……当付面、２…
…レンズ枠、２Ａ……挿入テーパー部、２Ｂ……
係止用傾斜部、２Ｄ……嵌合径部、２Ｐ……当付
面、３……保持具、３Ａ……内接径部、３Ｂ……
外接径部。 Fig. 1 is a longitudinal sectional side view of the main part of an embodiment of the device of the present invention, Fig. 2 is an enlarged longitudinal sectional side view showing a part of the main part, and Fig. 3 is a main part of the main part. FIG. 4 is a schematic front view of the main parts showing the state of the holder according to the invention stored in the lens barrel, FIG. 4 is a schematic front view of the main parts showing the state of the holder when the lens frame is attached, and FIG. FIG. 2 is a longitudinal sectional side view of an essential part of an embodiment of a conventional device. 1... Lens barrel, 1A... Removal prevention groove, 1B... Bottom wall surface, 1D... Fitting diameter section, 1P... Abutting surface, 2...
...Lens frame, 2A...Insertion taper part, 2B...
Locking inclined part, 2D... Fitting diameter part, 2P... Abutting surface, 3... Holder, 3A... Inscribed diameter part, 3B...
Circumscribed diameter.

Claims (1)

【実用新案登録請求の範囲】 (1) 鏡胴１に光軸に沿つて挿入され所定位置で
固着するようになしたレンズ枠２を具備する光学
機械用レンズ鏡胴のレンズ枠保持装置において、
鏡胴１に形成された抜け防止溝１Ａに、一部切欠
き部を有した環状体からなる保持具３が収納され
、該保持具３はレンズ枠２をラジアル方向に弾性
的に押圧する少なくとも３箇所の内接径部３Ａを
有する一方、前記レンズ枠２は挿入時に前記内接
径部３Ａを抜け防止溝１Ａ内に避退させる挿入用
テーパー部２Ａと、挿入後に前記保持具３の内接
径部３Ａが圧接して該内接径部３Ａによるラジア
ル方向の押圧をスラスト方向及びラジアル方向の
両方向に分力して固着する係止用傾斜面２Ｂを具
備することを特徴とする光学機械用レンズ鏡胴の
レンズ枠保持装置。 (2) 実用新案登録請求の範囲(1)に記載の装置に
おいて、前記保持具３が、内接径部３Ａと外接径
部３Ｂとを有するバネ用線材で構成されているこ
とを特徴とする光学機械用レンズ鏡胴のレンズ枠
保持装置。[Claims for Utility Model Registration] (1) A lens frame holding device for a lens barrel for an optical machine, which includes a lens frame 2 inserted into a lens barrel 1 along the optical axis and fixed at a predetermined position,
A holder 3 made of an annular body having a partially cut out portion is housed in a slip-off prevention groove 1A formed in the lens barrel 1, and the holder 3 has at least one part that elastically presses the lens frame 2 in the radial direction. While the lens frame 2 has three inscribed diameter portions 3A, the lens frame 2 includes an insertion tapered portion 2A that retracts the inscribed diameter portion 3A into the slip-out prevention groove 1A during insertion, and an insertion taper portion 2A that retracts the inscribed diameter portion 3A into the slip-out prevention groove 1A during insertion, and An optical machine characterized by comprising a locking inclined surface 2B which is pressed against the contacting diameter part 3A and fixed by dividing the radial pressing force by the inscribed diameter part 3A in both the thrust direction and the radial direction. Lens frame holding device for lens barrels. (2) Utility model registration The device according to claim (1) is characterized in that the holder 3 is made of a spring wire having an inscribed diameter portion 3A and a circumscribed diameter portion 3B. Lens frame holding device for optical machinery lens barrels.
JP6763989U 1989-06-09 1989-06-09 Lens frame holding device for lens barrel for optical machinery Expired - Fee Related JPH0738889Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6763989U JPH0738889Y2 (en) 1989-06-09 1989-06-09 Lens frame holding device for lens barrel for optical machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6763989U JPH0738889Y2 (en) 1989-06-09 1989-06-09 Lens frame holding device for lens barrel for optical machinery

Publications (2)

Publication Number Publication Date
JPH038305U true JPH038305U (en) 1991-01-25
JPH0738889Y2 JPH0738889Y2 (en) 1995-09-06

Family

ID=31601384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6763989U Expired - Fee Related JPH0738889Y2 (en) 1989-06-09 1989-06-09 Lens frame holding device for lens barrel for optical machinery

Country Status (1)

Country Link
JP (1) JPH0738889Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015143739A (en) * 2014-01-31 2015-08-06 コニカミノルタ株式会社 lens barrel
JP2016138959A (en) * 2015-01-27 2016-08-04 セイコーエプソン株式会社 Projection optical device and projector
JP2021038843A (en) * 2019-09-04 2021-03-11 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． Connector, electronic device, wearable device, and assembling method
US11528970B2 (en) 2019-09-04 2022-12-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Connector, electronic apparatus, wearable apparatus and assembly method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015143739A (en) * 2014-01-31 2015-08-06 コニカミノルタ株式会社 lens barrel
JP2016138959A (en) * 2015-01-27 2016-08-04 セイコーエプソン株式会社 Projection optical device and projector
JP2021038843A (en) * 2019-09-04 2021-03-11 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． Connector, electronic device, wearable device, and assembling method
US11528970B2 (en) 2019-09-04 2022-12-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Connector, electronic apparatus, wearable apparatus and assembly method

Also Published As

Publication number Publication date
JPH0738889Y2 (en) 1995-09-06

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees