JPH01173714U - - Google Patents

Info

Publication number
JPH01173714U
JPH01173714U JP7008988U JP7008988U JPH01173714U JP H01173714 U JPH01173714 U JP H01173714U JP 7008988 U JP7008988 U JP 7008988U JP 7008988 U JP7008988 U JP 7008988U JP H01173714 U JPH01173714 U JP H01173714U
Authority
JP
Japan
Prior art keywords
guide pole
magnetic material
lens
permanent magnet
lens barrel
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
JP7008988U
Other languages
Japanese (ja)
Other versions
JP2522108Y2 (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 JP1988070089U priority Critical patent/JP2522108Y2/en
Publication of JPH01173714U publication Critical patent/JPH01173714U/ja
Application granted granted Critical
Publication of JP2522108Y2 publication Critical patent/JP2522108Y2/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 the drawing]

第１図は本考案のレンズ鏡筒の一実施例を示す
斜視図、第２図はその正面図、第３図は従来のレ
ンズ鏡筒の斜視図、第４図はその正面図である。 １……レンズ、２……レンズ枠、３，４……ガ
イドポール、８……永久磁石。 FIG. 1 is a perspective view showing an embodiment of the lens barrel of the present invention, FIG. 2 is a front view thereof, FIG. 3 is a perspective view of a conventional lens barrel, and FIG. 4 is a front view thereof. 1... Lens, 2... Lens frame, 3, 4... Guide pole, 8... Permanent magnet.

Claims (1)

【実用新案登録請求の範囲】 レンズを保持したレンズ枠をガイドポールによ
り光軸方向に摺動自在に支持したレンズ鏡筒にお
いて、 上記少なくとも１つのガイドポールを磁性材で
形成するとともに、上記レンズ枠に上記磁性材か
らなるガイドポールに対向して永久磁石を設け、
上記磁性材からなるガイドポールと永久磁石との
間に磁気的吸引作用を付与したことを特徴とする
レンズ鏡筒。[Claims for Utility Model Registration] In a lens barrel in which a lens frame holding a lens is supported slidably in the optical axis direction by a guide pole, the at least one guide pole is formed of a magnetic material, and the lens frame A permanent magnet is provided opposite the guide pole made of the magnetic material,
A lens barrel characterized in that a magnetic attraction effect is imparted between a guide pole made of the magnetic material and a permanent magnet.
JP1988070089U 1988-05-27 1988-05-27 Lens barrel Expired - Lifetime JP2522108Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988070089U JP2522108Y2 (en) 1988-05-27 1988-05-27 Lens barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988070089U JP2522108Y2 (en) 1988-05-27 1988-05-27 Lens barrel

Publications (2)

Publication Number Publication Date
JPH01173714U true JPH01173714U (en) 1989-12-11
JP2522108Y2 JP2522108Y2 (en) 1997-01-08

Family

ID=31295347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988070089U Expired - Lifetime JP2522108Y2 (en) 1988-05-27 1988-05-27 Lens barrel

Country Status (1)

Country Link
JP (1) JP2522108Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010016279A1 (en) * 2008-08-08 2010-02-11 株式会社ニコン Lens barrel and image pickup device
JP2013076856A (en) * 2011-09-30 2013-04-25 Fujifilm Corp Photographic lens unit for endoscope and camera module
JP2022041236A (en) * 2020-08-31 2022-03-11 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド Lens barrel, lens device, imaging device, moving body and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245349A (en) * 1975-10-07 1977-04-09 Canon Inc Holding process for cementing plural lenses
JPS60120413U (en) * 1984-01-25 1985-08-14 株式会社日立製作所 Variable power mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245349A (en) * 1975-10-07 1977-04-09 Canon Inc Holding process for cementing plural lenses
JPS60120413U (en) * 1984-01-25 1985-08-14 株式会社日立製作所 Variable power mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010016279A1 (en) * 2008-08-08 2010-02-11 株式会社ニコン Lens barrel and image pickup device
US8508871B2 (en) 2008-08-08 2013-08-13 Nikon Corporation Lens barrel and image capturing apparatus
JP2013076856A (en) * 2011-09-30 2013-04-25 Fujifilm Corp Photographic lens unit for endoscope and camera module
JP2022041236A (en) * 2020-08-31 2022-03-11 エスゼット ディージェイアイ テクノロジー カンパニー リミテッド Lens barrel, lens device, imaging device, moving body and system

Also Published As

Publication number Publication date
JP2522108Y2 (en) 1997-01-08

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