JPH0461306U - - Google Patents
Info
- Publication number
- JPH0461306U JPH0461306U JP10446490U JP10446490U JPH0461306U JP H0461306 U JPH0461306 U JP H0461306U JP 10446490 U JP10446490 U JP 10446490U JP 10446490 U JP10446490 U JP 10446490U JP H0461306 U JPH0461306 U JP H0461306U
- Authority
- JP
- Japan
- Prior art keywords
- optical member
- frame
- holding
- holding structure
- fits
- 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 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Description
第１図はこの考案の光学部材の保持構造の１実
施例の構成を示す断面図、第２図は他の実施例の
断面図、第３図その保持枠の１例を示す平面図、
第４図はさらに他の実施例の断面図、第５図、第
６図、第７図は従来のレンズ枠の構成を示す断面
図である。
１……光学部材枠、１ａ……内径部、１ｂ……
側壁部、１ｃ，２ｃ……ネジ係合部、２……保持
枠、２ａ……嵌合面、２ｂ……内周面、３……光
学部材、４……接着剤。
FIG. 1 is a sectional view showing the configuration of one embodiment of the optical member holding structure of this invention, FIG. 2 is a sectional view of another embodiment, and FIG. 3 is a plan view showing one example of the holding frame.
FIG. 4 is a sectional view of still another embodiment, and FIGS. 5, 6, and 7 are sectional views showing the structure of a conventional lens frame. 1... Optical member frame, 1a... Inner diameter part, 1b...
Side wall portion, 1c, 2c...screw engagement part, 2...holding frame, 2a...fitting surface, 2b...inner peripheral surface, 3...optical member, 4...adhesive.
Claims (1)
学部材枠と、外周部は上記光学部材枠の内径部に
嵌合し、内周部は保持する光学部材に当接する部
分が、上記光学部材の半径方向断面内で凸の曲率
を持つように形成された保持枠とにより、上記光
学部材を保持することを特徴とする光学部材の保
持構造。 ２ 上記保持枠が断面が円形状のリングであるこ
とを特徴とする請求項１記載の光学部材の保持構
造。 ３ 上記保持枠が一部開口部を持つリングとして
形成されていることを特徴とする請求項１記載の
光学部材の保持構造。[Scope of Claim for Utility Model Registration] 1. An optical member frame having an inner diameter portion and a side wall portion that serve as a reference inside, an outer peripheral portion that fits into the inner diameter portion of the optical member frame, and an inner peripheral portion that fits into the optical member to be held. A holding structure for an optical member, characterized in that the optical member is held by a holding frame whose abutting portion has a convex curvature in a radial cross section of the optical member. 2. The optical member holding structure according to claim 1, wherein the holding frame is a ring having a circular cross section. 3. The optical member holding structure according to claim 1, wherein the holding frame is formed as a ring having a partial opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10446490U JPH0461306U (en) | 1990-10-05 | 1990-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10446490U JPH0461306U (en) | 1990-10-05 | 1990-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461306U true JPH0461306U (en) | 1992-05-26 |
Family
ID=31849746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10446490U Pending JPH0461306U (en) | 1990-10-05 | 1990-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461306U (en) |
-
1990
- 1990-10-05 JP JP10446490U patent/JPH0461306U/ja active Pending