JPS5979858U

JPS5979858U - developing device

Info

Publication number: JPS5979858U
Application number: JP17563482U
Authority: JP
Inventors: 大美賀　克友; 柏木　広美; 恵太郎山下
Original assignee: 日立金属株式会社
Priority date: 1982-11-22
Filing date: 1982-11-22
Publication date: 1984-05-30

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図は、本考案の一実施例に係る現像装置の　゛゛縦
断側面図、第２図は、第１図の要部拡大断面図である。１・・・感光体ドラム、２・・・磁性現像剤、３・・・
現像剤容器、４．５・・・現像ロール、６，１０・・・
回転スリーブ、７．１１・・・永久磁石部材、１９・・
・ドクタ一部材、２０・・・スクレーパ部材、３３・・
・シュート、３４・・・トナー濃度センサ、３５．３６
・・・トナー排出口。FIG. 1 is a vertical sectional side view of a developing device according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the main part of FIG. 1. 1... Photosensitive drum, 2... Magnetic developer, 3...
Developer container, 4.5...Developing roll, 6,10...
Rotating sleeve, 7.11... Permanent magnet member, 19...
・Doctor 1 member, 20...Scraper member, 33...
・Chute, 34... Toner concentration sensor, 35.36
...Toner outlet.

Claims

[Scope of utility model registration request]

A developing roll provided with a permanent magnet member having a plurality of magnetic poles on the outer peripheral surface within a cylindrical rotating sleeve made of a non-magnetic material is installed facing the photoreceptor drum and forming a developing gap, and A developer container for supplying magnetic developer to the development roll, a doctor member for regulating the amount of magnetic developer supplied to the development gap, and a scraper for scraping off the magnetic developer after passing through the development gap. A developing device comprising: a chute in which a toner concentration sensor is disposed in the middle of the scraper member;
A developing device characterized in that a plurality of inclined toner discharge ports are provided at a lower part of the chute.