JP2017129641A5 - - Google Patents
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- JP2017129641A5 JP2017129641A5 JP2016007456A JP2016007456A JP2017129641A5 JP 2017129641 A5 JP2017129641 A5 JP 2017129641A5 JP 2016007456 A JP2016007456 A JP 2016007456A JP 2016007456 A JP2016007456 A JP 2016007456A JP 2017129641 A5 JP2017129641 A5 JP 2017129641A5
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- holding frame
- lens holding
- lens
- groove
- cam
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- 230000003287 optical Effects 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 claims 5
- 230000000051 modifying Effects 0.000 claims 3
Description
上記課題を解決するために、本発明のレンズ装置は、
複数のカム溝を有する第１の筒部材と、
直進溝を有する第２の筒部材と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第１のカムフォロアを有し、第１のレンズユニットを保持する第１のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第２のカムフォロアを有し、第２のレンズユニットを保持する第２のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第３のカムフォロアを有し、第３のレンズユニットを保持する第３のレンズ保持枠と、を備え、前記第１のレンズ保持枠と、前記第２のレンズ保持枠と、前記第３のレンズ保持枠とが、この順に配置されるレンズ装置であって、
一方の端が前記第１のレンズ保持枠に接続され、他方の端が前記第３のレンズ保持枠に接続された第１の付勢手段と、
一方の端が前記第２のレンズ保持枠に接続され、他方の端が前記第３のレンズ保持枠に接続された第２の付勢手段と、を備える、
ことを特徴とする。
In order to solve the above problems, the lens device of the present invention is:
A first tubular member having a plurality of cam grooves;
A second cylindrical member having a rectilinear groove;
A first lens holding frame that has a first cam follower that fits into a predetermined cam groove and the straight advance groove among the plurality of cam grooves, and holds the first lens unit;
A second lens holding frame that has a second cam follower that fits into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves, and holds the second lens unit;
A third lens holding frame that holds a third lens unit, and has a third cam follower that fits into a predetermined cam groove and the straight advance groove among the plurality of cam grooves . A lens device in which a lens holding frame, the second lens holding frame, and the third lens holding frame are arranged in this order,
Is connected to one end of the first lens holding frame, a first biasing means for the other end connected to the third lens holding frame,
Is connected to one end the second lens holding frame comprises a second biasing means and the other end connected to the front Symbol third lens holding frame, and
It is characterized by that.
Claims (11)
直進溝を有する第２の筒部材と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第１のカムフォロアを有し、第１のレンズユニットを保持する第１のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第２のカムフォロアを有し、第２のレンズユニットを保持する第２のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第３のカムフォロアを有し、第３のレンズユニットを保持する第３のレンズ保持枠と、を備え、前記第１のレンズ保持枠と、前記第２のレンズ保持枠と、前記第３のレンズ保持枠とが、この順に配置されるレンズ装置であって、
一方の端が前記第１のレンズ保持枠に接続され、他方の端が前記第３のレンズ保持枠に接続された第１の付勢手段と、
一方の端が前記第２のレンズ保持枠に接続され、他方の端が前記第３のレンズ保持枠に接続された第２の付勢手段と、を備える、
ことを特徴とするレンズ装置。 A first tubular member having a plurality of cam grooves;
A second cylindrical member having a rectilinear groove;
A first lens holding frame that has a first cam follower that fits into a predetermined cam groove and the straight advance groove among the plurality of cam grooves, and holds the first lens unit;
A second lens holding frame that has a second cam follower that fits into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves, and holds the second lens unit;
A third lens holding frame that holds a third lens unit, and has a third cam follower that fits into a predetermined cam groove and the straight advance groove among the plurality of cam grooves . A lens device in which a lens holding frame, the second lens holding frame, and the third lens holding frame are arranged in this order,
Is connected to one end of the first lens holding frame, a first biasing means for the other end connected to the third lens holding frame,
Is connected to one end the second lens holding frame comprises a second biasing means and the other end connected to the front Symbol third lens holding frame, and
A lens device.
ことを特徴とする請求項１に記載のレンズ装置。 Before SL in the third lens holding frame, and the first lens holding frame and the second lens holding frame and the third lens holding frame to the first tubular member or said second tubular member In the inserted state, an adjusting means capable of adjusting the position where the second cam follower is mounted can be guided from the end of the first cylindrical member or the second cylindrical member to the second lens holding frame. A plurality of openings are provided,
The lens device according to claim 1.
ことを特徴とする請求項２に記載のレンズ装置。 The plurality of openings are a plurality of notches provided at different phases around the optical axis .
The lens apparatus according to claim 2.
ことを特徴とする請求項１乃至３のいずれか１項に記載のレンズ装置。 A fourth cam follower that fits into a predetermined cam groove and the rectilinear groove of the plurality of cam grooves, and a fourth lens holding frame that holds a fourth lens unit is the first cylindrical member or is provided between the end and the first lens holding frame of the second tubular member,
The lens device according to claim 1 , wherein the lens device is a lens device.
ことを特徴とする請求項１乃至４のいずれか一項に記載のレンズ装置。 Wherein the first and the lens holding frame and the second lens holding frame and the third lens holding frame is moved as the distance between the holding frame adjacent during zooming changes,
The lens device according to claim 1, wherein the lens device is a lens device.
ことを特徴とする請求項１乃至５のいずれか一項に記載のレンズ装置。 The first urging means and the second urging means are elastic members,
The lens device according to claim 1, wherein the lens device is a lens device.
ことを特徴とする請求項６に記載のレンズ装置。 The first urging means and the second urging means generate an elastic force in a direction in which the two connected lens holding frames are brought close to each other.
The lens device according to claim 6.
請求項１乃至７のいずれか一項に記載のレンズ装置と、を備える、
ことを特徴とする光学装置。 A light modulation element;
A lens device according to any one of claims 1 to 7,
An optical device.
直進溝を有する第２の筒部材と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第１のカムフォロアを装着可能で、第１のレンズユニットを保持可能な第１のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第２のカムフォロアを装着可能で、第２のレンズユニットを保持可能な第２のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第３のカムフォロアを装着可能で、第３のレンズユニットを保持可能な第３のレンズ保持枠であって、複数の開口部を有する当該第３のレンズ保持枠と、を備え、前記第１のレンズ保持枠と、前記第２のレンズ保持枠と、前記第３のレンズ保持枠とが、この順に配置されるレンズ装置の製造方法であって、
前記第１のレンズ保持枠と前記第３のレンズ保持枠との間に第１の付勢手段を取り付けるステップと、
前記第２のレンズ保持枠と前記第３のレンズ保持枠との間に第２の付勢手段を取り付けるステップと、
前記第１のレンズ保持枠と前記第２のレンズ保持枠と前記第３のレンズ保持枠とを前記第１の筒部材はあるいは前記第２の筒部材に挿入するステップと、
前記第１のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第１のレンズ保持枠の位置及び角度のうち少なくとも一方を調整し、前記第１のカムフォロアを前記第１のレンズ保持枠に装着する第１の装着ステップと、
前記複数の開口部介して、前記第２のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第２のレンズ保持枠の位置及び角度のうち少なくとも一方を調整し、前記第２のカムフォロアを前記第２のレンズ保持枠に装着する第２の装着ステップと、
前記第３のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第３のレンズ保持枠の前記光軸方向の位置及び角度のうち少なくとも一方を調整し、前記第３のカムフォロアを前記第３のレンズ保持枠に装着する第３の装着ステップと、
を備える、
ことを特徴とするレンズ装置の製造方法。 A first tubular member having a plurality of cam grooves;
A second cylindrical member having a rectilinear groove;
A first lens holding frame capable of mounting a first cam follower that can be fitted in a predetermined cam groove and the rectilinear groove among the plurality of cam grooves, and capable of holding the first lens unit;
A second lens holding frame capable of mounting a second cam follower that can be fitted in a predetermined cam groove and the straight advance groove among the plurality of cam grooves, and capable of holding a second lens unit;
A third lens holding frame capable of mounting a third cam follower that fits in a predetermined cam groove and the straight advance groove among the plurality of cam grooves and capable of holding a third lens unit , the plurality of openings A third lens holding frame including a first lens holding frame, wherein the first lens holding frame, the second lens holding frame, and the third lens holding frame are arranged in this order. A manufacturing method of
Attaching a first biasing means between said third lens holding frame and the first lens holding frame,
And attaching the second biasing means between said second lens holding frame and the previous SL third lens holding frame,
And inserting and said third lens holding frame the first lens holding frame and the second lens holding frame said first tubular member or said second tubular member,
Adjusting at least one of the position and the angle of the first lens holding frame so that the first cam follower is fitted into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves; A first mounting step of mounting a cam follower on the first lens holding frame;
Before SL plurality of through openings, at least the second cam follower is out of the predetermined cam groove and the position and angle of the straight said second lens holding frame so as to fit into the groove of the plurality of cam grooves A second mounting step of adjusting one side and mounting the second cam follower on the second lens holding frame;
At least one of the position and the angle of the third lens holding frame in the optical axis direction is adjusted so that the third cam follower fits into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves. A third mounting step of mounting the third cam follower on the third lens holding frame;
Comprising
A method of manufacturing a lens device.
ことを特徴とする請求項９に記載のレンズ装置の製造方法。 Of the first mounting step, the second mounting step, and the third mounting step, the second mounting step is performed last.
The method of manufacturing a lens device according to claim 9.
直進溝を有する第２の筒部材と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第１のカムフォロアを装着可能で、第１のレンズユニットを保持可能な第１のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第２のカムフォロアを装着可能で、第２のレンズユニットを保持可能な第２のレンズ保持枠と、
前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合する第３のカムフォロアを装着可能で、第３のレンズユニットを保持可能な第３のレンズ保持枠であって、複数の開口部を有する当該第３のレンズ保持枠と、を備え、前記第１のレンズ保持枠と、前記第２のレンズ保持枠と、前記第３のレンズ保持枠とが、この順に配置されるレンズ装置と、
光変調素子と、を備える光学装置の製造方法であって、
前記第１のレンズ保持枠と前記第３のレンズ保持枠との間に第１の付勢手段を取り付けるステップと、
前記第２のレンズ保持枠と前記第３のレンズ保持枠との間に第２の付勢手段を取り付けるステップと、
前記第１のレンズ保持枠と前記第２のレンズ保持枠と前記第３のレンズ保持枠とを前記第１の筒部材はあるいは前記第２の筒部材に挿入するステップと、
前記第１のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第１のレンズ保持枠の位置及び角度のうち少なくとも一方を調整し、前記第１のカムフォロアを前記第１のレンズ保持枠に装着する第１の装着ステップと、
前記開口部を介して、前記第２のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第２のレンズ保持枠の位置及び角度のうち少なくとも一方を調整し、前記第２のカムフォロアを前記第２のレンズ保持枠に装着する第２の装着ステップと、
前記第３のカムフォロアが前記複数のカム溝のうち所定のカム溝及び前記直進溝に嵌合するように前記第３のレンズ保持枠の前記光軸方向の位置及び角度のうち少なくとも一方を調整し、前記第３のカムフォロアを前記第３のレンズ保持枠に装着する第３の装着ステップと、
前記光変調素子を保持する保持部材に対して前記レンズ装置を取り付けるステップと、を備える、
ことを特徴とする光学装置の製造方法。 A first tubular member having a cam groove of the multiple,
A second cylindrical member having a rectilinear groove;
A first lens holding frame capable of mounting a first cam follower that can be fitted in a predetermined cam groove and the rectilinear groove among the plurality of cam grooves, and capable of holding the first lens unit;
A second lens holding frame capable of mounting a second cam follower that can be fitted in a predetermined cam groove and the straight advance groove among the plurality of cam grooves, and capable of holding a second lens unit;
A third lens holding frame capable of mounting a third cam follower that fits in a predetermined cam groove and the straight advance groove among the plurality of cam grooves and capable of holding a third lens unit , the plurality of openings A third lens holding frame including a first lens holding frame, wherein the first lens holding frame, the second lens holding frame, and the third lens holding frame are arranged in this order. When,
A method of manufacturing an optical device comprising a light modulating element, and
Attaching a first biasing means between said third lens holding frame and the first lens holding frame,
And attaching the second biasing means between said second lens holding frame and the previous SL third lens holding frame,
And inserting and said third lens holding frame the first lens holding frame and the second lens holding frame said first tubular member or said second tubular member,
Adjusting at least one of the position and the angle of the first lens holding frame so that the first cam follower is fitted into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves; A first mounting step of mounting a cam follower on the first lens holding frame;
Through the front Symbol opening, at least one of said predetermined cam groove and the position and angle of the second lens holding frame so as to be fitted into the straight groove of the second cam follower is a plurality of cam grooves And a second mounting step of mounting the second cam follower on the second lens holding frame;
At least one of the position and the angle of the third lens holding frame in the optical axis direction is adjusted so that the third cam follower fits into a predetermined cam groove and the rectilinear groove among the plurality of cam grooves. A third mounting step of mounting the third cam follower on the third lens holding frame;
Attaching the lens device to a holding member that holds the light modulation element.
A method for manufacturing an optical device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016007456A JP6746316B2 (en) | 2016-01-18 | 2016-01-18 | Lens device, optical device using the same, and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016007456A JP6746316B2 (en) | 2016-01-18 | 2016-01-18 | Lens device, optical device using the same, and manufacturing method thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017129641A JP2017129641A (en) | 2017-07-27 |
| JP2017129641A5 true JP2017129641A5 (en) | 2019-02-28 |
| JP6746316B2 JP6746316B2 (en) | 2020-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016007456A Active JP6746316B2 (en) | 2016-01-18 | 2016-01-18 | Lens device, optical device using the same, and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6746316B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7016651B2 (en) * | 2017-09-22 | 2022-02-07 | キヤノン株式会社 | Lens unit and optical equipment |
| CN113439225B (en) * | 2019-02-21 | 2024-03-08 | 株式会社尼康 | Lens barrel and imaging device |
| JP2021021844A (en) | 2019-07-29 | 2021-02-18 | キヤノン株式会社 | Lens device and imaging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002055268A (en) * | 2000-08-11 | 2002-02-20 | Chinontec Kk | Lens barrel and its assembling method |
| JP2002296482A (en) * | 2001-03-30 | 2002-10-09 | Olympus Optical Co Ltd | Zoom lens barrel |
| JP2006023359A (en) * | 2004-07-06 | 2006-01-26 | Fujinon Corp | Lens supporting frame of lens device and manufacture method for lens device |
| JP4647958B2 (en) * | 2004-08-31 | 2011-03-09 | Ｈｏｙａ株式会社 | Zoom lens barrel drive mechanism |
| JP2009204640A (en) * | 2008-02-26 | 2009-09-10 | Fujinon Corp | Zoom lens device |
| TWI486663B (en) * | 2013-05-30 | 2015-06-01 | Sintai Optical Shenzhen Co Ltd | Optical device |
-
2016
- 2016-01-18 JP JP2016007456A patent/JP6746316B2/en active Active
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