JPS60169639U

JPS60169639U - electrophotographic copying device

Info

Publication number: JPS60169639U
Application number: JP5671884U
Authority: JP
Inventors: 岸野　実; 宮下　喜義; 喬松山; 佐竹　章一
Original assignee: オリンパス光学工業株式会社
Priority date: 1984-04-19
Filing date: 1984-04-19
Publication date: 1985-11-11

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、本考案に係る電子写真複写装置の第１実施例
の概略断面図、第２図は、第１実施例の中央フレームの
拡大斜視図、第３図は、第１実施例の感光ドラムユニッ
トの拡大断面図、第４図は、第１実施例の中央フレーム
に両ユニットを取付けた状態の斜視図、第５図は、第１
実施例のドラム軸のクランプ部分を示す詳細図、第６図
は、第１実施例のドラムユニットと現像ユニットの平面
断面図、第７図は、第１実施例の位置決め部材の詳細図
、第８図は、第１実施例の上部フレームを開放した状態
の斜視図、第９図は、第１実施例の中央フレームを下げ
た状態の斜視図、第１０図は、他の実施例の要部斜視図
である。図において、１は上部フレーム、２は下部フレーム、３
は回動軸、４は中央フレーム、９は現像ユニット、１７
は感光ドラム、１９はドラムユニット、２７は位置決め
部材、２８はドラム軸、２９は偏心カムレバー、３１は
クランプばね、３５は現像ローラ、３６は攪拌軸、３７
は位置決め部材を示す。１９−．１１８′ ノFIG. 1 is a schematic sectional view of a first embodiment of an electrophotographic copying apparatus according to the present invention, FIG. 2 is an enlarged perspective view of a central frame of the first embodiment, and FIG. FIG. 4 is an enlarged sectional view of the photosensitive drum unit, and FIG. 4 is a perspective view of both units attached to the central frame of the first embodiment. FIG.
6 is a plan sectional view of the drum unit and developing unit of the first embodiment; FIG. 7 is a detailed view of the positioning member of the first embodiment; FIG. The figure is a perspective view of the first embodiment with the upper frame opened, FIG. 9 is a perspective view of the first embodiment with the center frame lowered, and FIG. 10 is a main part of another embodiment. FIG. In the figure, 1 is the upper frame, 2 is the lower frame, 3
is the rotation axis, 4 is the central frame, 9 is the developing unit, 17
1 is a photosensitive drum, 19 is a drum unit, 27 is a positioning member, 28 is a drum shaft, 29 is an eccentric cam lever, 31 is a clamp spring, 35 is a developing roller, 36 is a stirring shaft, 37
indicates a positioning member. 19-. 1 18' ノ

Claims

[Scope of utility model registration request]

In an electrophotographic copying apparatus having an apparatus main body divided into an upper frame and a lower frame, a central frame is disposed between the two frames, and a photosensitive drum unit and a developing unit are removably supported on the central frame. and a positioning member that engages with the drum shaft of the photosensitive drum unit and the developing roller shaft of the developing unit and is fixed to either one of the units, so as to maintain the distance between the two units at a predetermined value. An electrophotographic copying device characterized by: