JPS6357640U

JPS6357640U -

Info

Publication number: JPS6357640U
Application number: JP15039186U
Authority: JP
Priority date: 1986-09-30
Filing date: 1986-09-30
Publication date: 1988-04-18

Description

[Brief explanation of the drawing]

第１図は、本考案の光学系駆動装置を有する電
子写真複写機の横断面図、第２図は本考案の光学
系駆動装置の模式的斜視図、第３図はその要部の
側面図、第４図はその平面図、第５図は第３図の
Ｖ―Ｖ線における断面図、第６図は従来の光学系
駆動装置の要部斜視図である。１０……感光体ドラム、２０……光学系、２１
……光源、２２……第１反射鏡、２３……第２反
射鏡、２４……第３反射鏡、３１……ワイヤ、３
２……駆動プーリ、３６……駆動軸、４１……包
みベルト、４２〜４５……プーリ。 FIG. 1 is a cross-sectional view of an electrophotographic copying machine having an optical system drive device of the present invention, FIG. 2 is a schematic perspective view of the optical system drive device of the present invention, and FIG. 3 is a side view of the main parts thereof. , FIG. 4 is a plan view thereof, FIG. 5 is a sectional view taken along the line V--V in FIG. 3, and FIG. 6 is a perspective view of essential parts of a conventional optical system drive device. 10... Photosensitive drum, 20... Optical system, 21
...Light source, 22...First reflecting mirror, 23...Second reflecting mirror, 24...Third reflecting mirror, 31...Wire, 3
2... Drive pulley, 36... Drive shaft, 41... Wrap belt, 42-45... Pulley.

Claims

[Scope of Claim for Utility Model Registration] An optical system drive device for an electrophotographic copying machine that moves an optical system along a document platform in order to expose an image of a document placed on the document platform onto a photoreceptor. an optical system disposed so as to be movable in the exposure scanning direction and the anti-exposure scanning direction; a wire attached to the optical system; a drive pulley around which the wire is wound halfway around; An optical system drive device for an electrophotographic copying machine, comprising: a wrapping belt wrapped around a plurality of pulleys to press the wire from the outside toward the drive pulley along an arc where the wire contacts the drive pulley.