JPH0428610U - - Google Patents
Info
- Publication number
- JPH0428610U JPH0428610U JP7137790U JP7137790U JPH0428610U JP H0428610 U JPH0428610 U JP H0428610U JP 7137790 U JP7137790 U JP 7137790U JP 7137790 U JP7137790 U JP 7137790U JP H0428610 U JPH0428610 U JP H0428610U
- Authority
- JP
- Japan
- Prior art keywords
- holding member
- optical element
- cylindrical holding
- optical axis
- cylindrical
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Lenses (AREA)
Description
第1図は本考案実施例の位置調整機構を適用さ
れる走査光学系を説明するための概略構成図、第
2図は本考案実施例による位置調整機構の要部を
示す斜視図、第3図は第2図に示した機構の作用
を説明するための模型視的な平面図、第4図は第
2図に示した機構の要部変形例を示す第3図相当
の平面図、第5図は本考案の別実施例による位置
調整機構の要部を説明するための斜視図、第6図
は第4図中、符号−線で示す方向の矢視断面
図、第7図は第5図中、符号−線で示す方向
の矢視図、第8図は第5図に示した機構の要部変
形例を示す第7図相当の矢視図である。
3……アナモフイツク光学素子の一つであるシ
リンドリカルレンズ、9,20……円筒状保持部
材、10,21……支持部材、13……支持基板
、13A1,21B……傾斜面、14,22……
弾性体、15……テーパ部材、16,24……付
勢手段である調整ネジ、21B……凸片。
FIG. 1 is a schematic configuration diagram for explaining a scanning optical system to which a position adjustment mechanism according to an embodiment of the present invention is applied, FIG. 2 is a perspective view showing main parts of the position adjustment mechanism according to an embodiment of the present invention, and FIG. The figure is a schematic plan view for explaining the action of the mechanism shown in FIG. 2, FIG. 4 is a plan view equivalent to FIG. 5 is a perspective view for explaining the main parts of a position adjustment mechanism according to another embodiment of the present invention, FIG. 6 is a cross-sectional view taken in the direction indicated by the symbol - line in FIG. 4, and FIG. 5 is a view along the arrow in the direction indicated by the symbol - line, and FIG. 8 is a view along the arrow corresponding to FIG. 7 showing a modification of the main part of the mechanism shown in FIG. 5. 3... Cylindrical lens which is one of the anamorphic optical elements, 9, 20... Cylindrical holding member, 10, 21... Support member, 13... Support substrate, 13A1, 21B... Inclined surface, 14, 22... …
Elastic body, 15... Taper member, 16, 24... Adjustment screw serving as biasing means, 21B... Convex piece.
Claims (1)
学素子の位置調整機構であつて、 上記アナモフイツク光学素子を取り付けられ、
同光学素子の光軸に沿つた回転中心をもつ円筒部
を有する円筒状保持部材と、 上記円筒状保持部材の円筒部を嵌合されること
で同円筒状保持部材を上記光軸回りに回転可能に
支持する支持部材と、 上記支持部材を上記アナモフイツク光学素子の
光軸方向に移動可能に支持する支持基板と、 上記支持基板に設けられていて、上記光軸方向
一端に相当する上記支持部材の端面に伸縮方向の
一方を対向させ、伸縮方向の他方を上記支持基板
に対向させている弾性体と、 上記支持基板における上記支持部材をはさんで
弾性体と対向する位置に形成されている傾斜面に
当接するテーパ部材と、 上記テーパ部材を上記傾斜面に沿つて移動させ
る付勢手段とを備え、 上記テーパ部材が上記傾斜面に沿つて移動する
ことで上記支持部材の位置を上記アナモフイツク
光学素子の光軸方向に沿つて移動させることを特
徴とするアナモフイツク光学素子の位置調整機構
。 2 シリンドリカルレンズ等のアナモフイツク光
学素子の位置調整機構であつて、 上記アナモフイツク光学素子を取り付けられ、
同光学素子の光軸に沿つた回転中心をもつ円筒部
を有する円筒状保持部材と、 上記円筒状保持部材の円筒部を嵌合されること
で同円筒状保持部材を上記光軸回りに回転可能に
支持する支持部材と、 上記円筒状保持部材の外周の一方に一体化され
ている凸片と、 上記円筒状保持部材の外周における上記凸片と
対向する位置および上記支持部材との間に配置さ
れ、上記円筒状保持部材を上記光軸回りの位置方
向に回転付勢する付勢手段と、 上記支持部材における上記円筒状保持部材の凸
片と対向する位置に形成されている傾斜面と、 上記傾斜面と上記凸片との間に配置され同支持
部材外部からの操作によつて同傾斜面上を摺動可
能とされている回転駆動部材とを備え、 上記回転駆動部材の摺動によつて上記凸片を介
して上記円筒状保持部材を光軸回りに回転させる
ことを特徴とするアナモフイツク光学素子の位置
調整機構。[Claims for Utility Model Registration] 1. A position adjustment mechanism for an anamorphic optical element such as a cylindrical lens, to which the anamorphic optical element is attached,
A cylindrical holding member having a cylindrical portion having a rotation center along the optical axis of the optical element is fitted with the cylindrical portion of the cylindrical holding member to rotate the cylindrical holding member around the optical axis. a support member that supports the support member movably in the optical axis direction of the anamorphic optical element; and a support member that is provided on the support substrate and corresponds to one end in the optical axis direction of the anamorphic optical element. an elastic body with one side of the elastic body facing the end face of the elastic body and the other side of the elastic body facing the support substrate; a tapered member that comes into contact with an inclined surface; and a biasing means that moves the tapered member along the inclined surface, and the tapered member moves along the inclined surface to change the position of the support member to the anamorphic A position adjustment mechanism for an anamorphic optical element, which is characterized by moving the optical element along the optical axis direction. 2 A position adjustment mechanism for an anamorphic optical element such as a cylindrical lens, to which the anamorphic optical element is attached,
A cylindrical holding member having a cylindrical portion having a rotation center along the optical axis of the optical element is fitted with the cylindrical portion of the cylindrical holding member to rotate the cylindrical holding member around the optical axis. between a supporting member that can support the cylindrical holding member, a convex piece integrated on one of the outer peripheries of the cylindrical holding member, and a position facing the protruding piece on the outer periphery of the cylindrical holding member and the supporting member. a biasing means arranged to rotationally bias the cylindrical holding member in a positional direction around the optical axis; and an inclined surface formed on the supporting member at a position facing the convex piece of the cylindrical holding member; , a rotary drive member disposed between the inclined surface and the convex piece and capable of sliding on the inclined surface by an operation from outside the supporting member; A position adjustment mechanism for an anamorphic optical element, characterized in that the cylindrical holding member is rotated around the optical axis via the convex piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7137790U JPH0428610U (en) | 1990-07-04 | 1990-07-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7137790U JPH0428610U (en) | 1990-07-04 | 1990-07-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0428610U true JPH0428610U (en) | 1992-03-06 |
Family
ID=31608352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7137790U Pending JPH0428610U (en) | 1990-07-04 | 1990-07-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0428610U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016151706A (en) * | 2015-02-18 | 2016-08-22 | 日東光学株式会社 | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
-
1990
- 1990-07-04 JP JP7137790U patent/JPH0428610U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016151706A (en) * | 2015-02-18 | 2016-08-22 | 日東光学株式会社 | Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens |
WO2016132652A1 (en) * | 2015-02-18 | 2016-08-25 | 日東光学株式会社 | Circumferential angle adjustment device for bus bar in cylindrical lens, and lens barrel equipped with circumferential angle adjustment device for bus bar in cylindrical lens |
US10481362B2 (en) | 2015-02-18 | 2019-11-19 | Nittoh Inc. | Circumferential angle adjustment device for generatrix of cylindrical lens, and lens barrel equipped with circumferential angle adjustment device for generatrix of cylindrical lens |
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