JPS6249148U

JPS6249148U -

Info

Publication number: JPS6249148U
Application number: JP13899285U
Authority: JP
Priority date: 1985-09-11
Filing date: 1985-09-11
Publication date: 1987-03-26

Description

[Brief explanation of the drawing]

第１図は本考案の結像光学系が適用される複写
機を示す概略図、第２図は本考案の一実施例によ
る複写機の結像光学系を示す一部破断斜視図、第
３図は上記結像光学系の一部を示す斜視図、第４
，５および６図はそれぞれ、上記結像光学系の等
倍複写時、拡大複写時および縮小複写時の状態を
示す側断面図、第７および８図はそれぞれ、上記
結像光学系のレンズアレイ取付部を詳しく示す斜
視図と側断面図である。１１…原稿、１３…レンズブロツク、１４，１
５…結像レンズアレイ、１４ｅ，１５ｅ…取付孔
、１６…感光体、３０…フレーム、３１…横移動
台、３４…ガイドピン、３６…長孔、３７…回転
板、４４，４５，５１，５３…歯車、４６…レン
ズブロツク回転用モータ、４９…レンズブロツク
横移動用モータ、５４…偏心カム、５５…カム孔
、６２…切欠き、６３…ラチエツト部材、８０…
光路、９０…レンズアレイ取付部、９１…ネジ孔
、９３…スタツドボルト。 FIG. 1 is a schematic diagram showing a copying machine to which the imaging optical system of the present invention is applied, FIG. 2 is a partially cutaway perspective view showing the imaging optical system of a copying machine according to an embodiment of the invention, and FIG. The figure is a perspective view showing a part of the above-mentioned imaging optical system.
, 5 and 6 are side sectional views showing the states of the imaging optical system during full-size copying, enlarged copying, and reduced copying, respectively, and FIGS. 7 and 8 respectively show the lens array of the imaging optical system. FIG. 3 is a perspective view and a side sectional view showing the attachment part in detail. 11... Original, 13... Lens block, 14,1
5... Imaging lens array, 14e, 15e... Mounting hole, 16... Photoreceptor, 30... Frame, 31... Lateral movement table, 34... Guide pin, 36... Elongated hole, 37... Rotating plate, 44, 45, 51, 53... Gear, 46... Lens block rotation motor, 49... Lens block lateral movement motor, 54... Eccentric cam, 55... Cam hole, 62... Notch, 63... Ratchet member, 80...
Optical path, 90... Lens array mounting part, 91... Screw hole, 93... Stud bolt.

Claims

[Claims for Utility Model Registration] A lens block including a plurality of imaging lens arrays attached to a common support is provided between the original and the photoreceptor, and the lens block is provided in the optical path from the original to the photoreceptor. In an imaging optical system for a copying machine in which one of the arrays is selectively arranged, a mounting hole is provided at each end of the plurality of imaging lens arrays, and a common hole is provided between the mounting holes. An imaging optical system for a copying machine, wherein each imaging lens array is attached to the support by inserting a lens array fixing member and fixing the fixing member to the support.