JP2000249888A5 - - Google Patents

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Publication number
JP2000249888A5
JP2000249888A5 JP1999049840A JP4984099A JP2000249888A5 JP 2000249888 A5 JP2000249888 A5 JP 2000249888A5 JP 1999049840 A JP1999049840 A JP 1999049840A JP 4984099 A JP4984099 A JP 4984099A JP 2000249888 A5 JP2000249888 A5 JP 2000249888A5
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JP
Japan
Prior art keywords
transmission member
partition wall
rotation transmission
recess
main body
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
JP1999049840A
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Japanese (ja)
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JP4298038B2 (en
JP2000249888A (en
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Publication date
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Priority to JP04984099A priority Critical patent/JP4298038B2/en
Priority claimed from JP04984099A external-priority patent/JP4298038B2/en
Publication of JP2000249888A publication Critical patent/JP2000249888A/en
Publication of JP2000249888A5 publication Critical patent/JP2000249888A5/ja
Application granted granted Critical
Publication of JP4298038B2 publication Critical patent/JP4298038B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【特許請求の範囲】
【請求項１】 レンズ鏡筒に着脱可能のフイルター操作装置であって、装置本体の外部からの操作によって前記装置本体の内部に設けたフイルターユニットを回転操作可能としたフイルター操作装置において、前記装置本体の外部と内部を遮断する隔壁を設け、該隔壁の外周部に外部からの操作による回転力を伝達する回転伝達部材を配置し、該隔壁の内周部に前記フイルターユニットを配置し、該回転伝達部材と該フイルターユニットは該隔壁を貫通する軸を有するギヤが少なくとも一つ設けたギヤ列によって回転伝達可能に結合されていることを特徴とするフイルター操作装置。
【請求項２】 該隔壁は凹部を有し、該凹部には該回転伝達部材が配置され、かつ該回転伝達部材の回転中心よりも光軸側に該凹部内から機器本体の外周部に貫通する穴が設けられていることを特徴とする請求項１記載のフイルター操作装置。
【請求項３】 請求項１または２に記載のフイルター操作装置を着脱可能に装着したことを特徴とするレンズ鏡筒。 [Claims]
1. A filter operating device that can be attached to and detached from a lens barrel and that can rotate a filter unit provided inside the device body by an operation from the outside of the device body. A partition wall that blocks the outside and the inside of the main body is provided, a rotation transmission member that transmits a rotational force due to an operation from the outside is arranged on the outer peripheral portion of the partition wall, and the filter unit is arranged on the inner peripheral portion of the partition wall. A filter operating device, wherein the rotation transmission member and the filter unit are rotatably coupled by a gear train provided with at least one gear having a shaft penetrating the partition wall.
2. The partition wall has a recess, the rotation transmission member is arranged in the recess, and the rotation transmission member penetrates from the inside of the recess to the outer peripheral portion of the main body of the device on the optical axis side of the rotation center of the rotation transmission member. The filter operating device according to claim 1, wherein a hole is provided.
3. A lens barrel according to claim 1 or 2, wherein the filter operating device according to claim 1 or 2 is detachably attached.

【０００１】
【発明の属する技術分野】
本発明は、交換レンズ鏡筒に使用するフイルター操作装置およびフイルター操作装置を着脱可能に装着したレンズ鏡筒に関するものである。 [0001]
[Technical field to which the invention belongs]
The present invention relates to a filter operating device used for an interchangeable lens barrel and a lens barrel to which a filter operating device is detachably attached.

本発明は、前述従来例の問題点に鑑み、外部からの操作によって偏光フイルターを回転調節可能にしても防滴性を備えることのできるフイルター操作装置およびレンズ鏡筒を提供することを目的とする。 In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a filter operating device and a lens barrel that can be provided with drip-proof properties even if the polarizing filter can be rotated and adjusted by an external operation. ..

【０００５】
【課題を解決するための手段】
前述の目的を達成するために、本発明は、装置本体の内部に回転可能な光学素子を有し、外周部には該内部と遮断する隔壁を有する凹部に該光学素子を回転させる回転伝達部材を軸支したものである。 0005
[Means for solving problems]
In order to achieve the above-mentioned object, the present invention has a rotation transmission member that has a rotatable optical element inside the main body of the apparatus and rotates the optical element in a recess having a partition wall that blocks the inside from the inside. Is the axis.

【０００６】
【発明の実施の態様】
本発明は、レンズ鏡筒に着脱可能のフイルター操作装置であって、装置本体の外部からの操作によって前記装置本体の内部に設けたフイルターユニットを回転操作可能としたフイルター操作装置において、前記装置本体の外部と内部を遮断する隔壁を設け、該隔壁の外周部に外部からの操作による回転力を伝達する回転伝達部材を配置し、該隔壁の内周部に前記フイルターユニットを配置し、該回転伝達部材と該フイルターユニットは該隔壁を貫通する軸を有するギヤが少なくとも一つ設けたギヤ列によって回転伝達可能に結合されていることにより、雨が降った際にも回転伝達部材から機器本体の内周側に容易に水が流入するがなくなる。また、本発明は該隔壁は凹部を有し、該凹部には該回転伝達部材が配置され、かつ該回転伝達部材の回転中心よりも光軸側に該凹部内から機器本体の外周部に貫通する穴が設けられていることにより、雨が降った際に、該凹部の穴により凹部に水をためることなく水を抜くことができるので、該回転伝達部材の軸部からの毛細管現象による水の流入を阻止できる。 0006
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention is a filter operating device that can be attached to and detached from a lens barrel, and is a filter operating device that can rotate a filter unit provided inside the device body by an operation from the outside of the device body. A partition wall is provided to block the outside and the inside of the partition wall, a rotation transmission member for transmitting a rotational force by an operation from the outside is arranged on the outer peripheral portion of the partition wall, and the filter unit is arranged on the inner peripheral portion of the partition wall. The transmission member and the filter unit are rotatably coupled by a gear train provided with at least one gear having a shaft penetrating the partition wall, so that even when it rains, the rotation transmission member can be used to connect the device body to the main body of the device. Water does not easily flow into the inner circumference side. Further, in the present invention, the partition wall has a recess, the rotation transmission member is arranged in the recess, and the rotation transmission member penetrates from the recess to the outer periphery of the main body of the device on the optical axis side of the rotation center. When it rains, the holes in the recesses allow water to be drained without accumulating water in the recesses, so that water due to the capillary phenomenon from the shaft portion of the rotation transmission member can be drained. Can prevent the inflow of water.

【００１１】
【発明の効果】
以上説明したように、本発明によれば、レンズ鏡筒に着脱可能のフイルター操作装置であって、装置本体の外部からの操作によって前記装置本体の内部に設けたフイルターユニットを回転操作可能としたフイルター操作装置において、前記装置本体の外部と内部を遮断する隔壁を設け、該隔壁の外周部に外部からの操作による回転力を伝達する回転伝達部材を配置し、該隔壁の内周部に前記フイルターユニットを配置し、該回転伝達部材と該フイルターユニットは該隔壁を貫通する軸を有するギヤが少なくとも一つ設けたギヤ列によって回転伝達可能に結合されていることにより、雨が降った際にも回転伝達部材から機器本体の内周側に容易に水が流入しないようにすることができる。また、本発明では該隔壁は凹部を有し、該凹部には該回転伝達部材が配置され、かつ該回転伝達部材の回転中心よりも光軸側に該凹部内から機器本体の外周部に貫通する穴が設けられていることにより、雨が降った際に、該凹部の穴により凹部に水をためることなく水を抜くことができるので、該回転伝達部材の軸部からの毛細管現象による水の流入を阻止することができる。 0011
【Effect of the invention】
As described above, according to the present invention, it is a filter operating device that can be attached to and detached from the lens barrel, and the filter unit provided inside the device main body can be rotated by an operation from the outside of the device main body. In the filter operating device, a partition wall that blocks the outside and the inside of the main body of the device is provided, a rotation transmission member that transmits rotational force due to an operation from the outside is arranged on the outer peripheral portion of the partition wall, and the partition wall is formed on the inner peripheral portion of the partition wall. When it rains, a filter unit is arranged, and the rotation transmission member and the filter unit are rotatably coupled by a gear train provided with at least one gear having a shaft penetrating the partition wall. It is also possible to prevent water from easily flowing from the rotation transmission member to the inner peripheral side of the main body of the device. Further, in the present invention, the partition wall has a recess, the rotation transmission member is arranged in the recess, and the rotation transmission member penetrates from the inside of the recess to the outer periphery of the main body of the device on the optical axis side of the rotation center of the rotation transmission member. When it rains, the holes in the recesses allow water to be drained without accumulating water in the recesses, so that water due to the capillary phenomenon from the shaft portion of the rotation transmission member can be drained. Can prevent the inflow of water.

JP04984099A 1999-02-26 1999-02-26 Optical equipment Expired - Fee Related JP4298038B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04984099A JP4298038B2 (en) 1999-02-26 1999-02-26 Optical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04984099A JP4298038B2 (en) 1999-02-26 1999-02-26 Optical equipment

Publications (3)

Publication Number Publication Date
JP2000249888A JP2000249888A (en) 2000-09-14
JP2000249888A5 true JP2000249888A5 (en) 2006-04-13
JP4298038B2 JP4298038B2 (en) 2009-07-15

Family

ID=12842288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04984099A Expired - Fee Related JP4298038B2 (en) 1999-02-26 1999-02-26 Optical equipment

Country Status (1)

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JP (1) JP4298038B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011191469A (en) * 2010-03-15 2011-09-29 Panasonic Corp Intermediate lens barrel
CN204166179U (en) 2014-10-30 2015-02-18 珠海市川富光学技术有限公司 A kind of adapter ring and camera lens filter support being convenient to adjustment
JP6908255B2 (en) * 2016-08-26 2021-07-21 株式会社シグマ Plug-in filter holder
JP7246879B2 (en) * 2018-09-04 2023-03-28 キヤノン株式会社 Operating devices for operating optical filters, optics and adapters for connecting to optics
JP6844086B2 (en) * 2019-03-22 2021-03-17 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Ｓｚ Ｄｊｉ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ Imaging device and moving object
WO2023157396A1 (en) * 2022-02-15 2023-08-24 富士フイルム株式会社 Lens device, information processing device, program, and method for manufacturing imaging device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58154922U (en) * 1982-04-10 1983-10-17 ホ−ヤ株式会社 Camera filter frame
JPS5946332U (en) * 1982-09-20 1984-03-27 旭光学工業株式会社 Lens barrel insertion holder
JPH0428629U (en) * 1990-07-02 1992-03-06
JP3306696B2 (en) * 1995-09-19 2002-07-24 京セラ株式会社 Camera with barrier with waterproof structure
JP4149049B2 (en) * 1998-09-14 2008-09-10 株式会社シグマ Lens barrel with filter operating device

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