JPS646650U

JPS646650U -

Info

Publication number: JPS646650U
Application number: JP10239987U
Authority: JP
Priority date: 1987-07-02
Filing date: 1987-07-02
Publication date: 1989-01-13

Description

[Brief explanation of the drawing]

第１図は本考案の第一実施例を示す複写機の現
像装置の縦断正面図、第２図は同じく第二現像部
が第一現像部に装着している状態を示す縦断正面
図、第３図は同じく第二現像部が第一現像部から
取外された状態を示す縦断正面図、第４図は同じ
く平面図、第５図は本考案の第二実施例を示す複
写機の現像装置の斜視図、第６図は本考案の第三
実施例を示す複写機の現像装置の一部縦断正面図
、第７図は本考案の第四実施例を示す複写機の現
像装置の一部縦断正面図、第８図は本考案の第五
実施例を示す複写機の現像装置の要部斜視図、第
９図は本考案の第六実施例を示す複写機の現像装
置の縦断正面図、第１０図は従来の複写機の現像
装置の縦断正面図、第１１図は同じく複写機の全
体縦断正面図である。１：現像槽、２：現像ローラー、３：トナー濃
度センサー、４：トナー撹拌ローラー、４ａ：支
軸、５：感光体、７：現像剤、１１：現像ケース
、１５：ストツパー、２０：複写機本体、２１：
第一現像部、２２：第二現像部、２５：取付手段
、２６：係合片、２６ａ：案内溝、２７：突起、
２８：ストツパー、３０：後板、３７：回転軸、
３９：スプロケツト、４５：開口。 FIG. 1 is a longitudinal sectional front view of a developing device of a copying machine showing a first embodiment of the present invention, FIG. 3 is a longitudinal sectional front view showing the second developing section removed from the first developing section, FIG. 4 is a plan view, and FIG. 5 is a developing diagram of a copying machine showing a second embodiment of the present invention. FIG. 6 is a partially longitudinal front view of a developing device of a copying machine showing a third embodiment of the present invention, and FIG. 7 is a perspective view of a developing device of a copying machine showing a fourth embodiment of the present invention. FIG. 8 is a perspective view of main parts of a developing device of a copying machine showing a fifth embodiment of the present invention, and FIG. 9 is a front vertical cross-sectional view of a developing device of a copying machine showing a sixth embodiment of the present invention. 10 is a longitudinal sectional front view of a developing device of a conventional copying machine, and FIG. 11 is a longitudinal sectional front view of the entire copying machine. 1: developer tank, 2: developer roller, 3: toner concentration sensor, 4: toner stirring roller, 4a: spindle, 5: photoreceptor, 7: developer, 11: developer case, 15: stopper, 20: copying machine Main body, 21:
First developing section, 22: Second developing section, 25: Attachment means, 26: Engagement piece, 26a: Guide groove, 27: Projection,
28: Stopper, 30: Rear plate, 37: Rotating shaft,
39: Sprocket, 45: Opening.

Claims

[Scope of utility model registration request]

A developing tank for transferring toner is provided opposite to the image forming photoreceptor, and the developing tank is formed of a first developing section having a developing roller and a second developing section having a toner stirring roller, A developing device for a copying machine, wherein all or most of the developing tank is arranged to protrude from the developing case, and the second developing section is detachably attached to the first developing section.