JPS5971305U

JPS5971305U - lens holder

Info

Publication number: JPS5971305U
Application number: JP16562082U
Authority: JP
Inventors: 豊次伊藤
Original assignee: コニカ株式会社
Priority date: 1982-10-30
Filing date: 1982-10-30
Publication date: 1984-05-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図ａ、　　ｂはシリンドリカルレンズの正面図、及
び側面図、第２図ａ、　　ｂ、　　ｃ、　ｄはレーザス
ポット形状を夫々示す図、第３図はシリンドリカルレン
ズホルダーの斜視図、第４図〜第８図は本考案の実施例
を示すものであって、第４図はレーザ走査記録装置の概
略図、第５図ａ、　　ｂ、　　ｃ、はレーザスポット形
状を夫々示す図、第６図はシリンドリカルレンズホルダ
ーの正面図、第７図は第６図の２−２線断面図、第８図
は第６図の裏面図、第９図はレーザビームの状況を示す
図、第１０図はピンホール付き遮光板とレンズとの配置
を示す図である。なお、図面に示された符号において、１０・・・・・・
レンズホルダー、１１・・・・・・内ホルダ一部、１２
・・・・・・外ホルダ一部、１４・・・・・・位置規制
リング、１８・・・・・・固定用リング、２０′・・・
・・・固定面、２１・・・・・・固定板、２３・・・・
・・スロット、２４・・・・・・固定用ねじ、２６・・
・・・・調整用ねじ、ＣＬｌ、ＣＦ２・・・・・・シリ
ンドリカルレンズ、Ａ・・・・・・対称軸である。Figures 1 a and b are front and side views of the cylindrical lens, Figures 2 a, b, c, and d are views showing the laser spot shapes, respectively, Figure 3 is a perspective view of the cylindrical lens holder, and Figure 4 ~ Figure 8 shows an embodiment of the present invention, in which Figure 4 is a schematic diagram of a laser scanning recording device, Figures 5 a, b, and c are diagrams showing the laser spot shape, and Figure 6. is a front view of the cylindrical lens holder, FIG. 7 is a sectional view taken along line 2-2 in FIG. 6, FIG. 8 is a back view of FIG. 6, FIG. 9 is a diagram showing the state of the laser beam, and FIG. FIG. 3 is a diagram showing the arrangement of a pinhole-equipped light-shielding plate and a lens. In addition, in the symbols shown in the drawings, 10...
Lens holder, 11...Inner holder part, 12
...Part of outer holder, 14...Position regulation ring, 18...Fixing ring, 20'...
...fixing surface, 21...fixing plate, 23...
...Slot, 24...Fixing screw, 26...
...Adjustment screw, CLl, CF2...Cylindrical lens, A...Axis of symmetry.

Claims

[Scope of utility model registration request]

A lens holder comprising a part of an inner holder that directly holds a lens, and the part of the inner holder is attached to a part of an outer holder so as to be rotatably adjustable about the optical axis of the lens.