JPS60122951U

JPS60122951U - Copying machine developing device

Info

Publication number: JPS60122951U
Application number: JP1204484U
Authority: JP
Inventors: 市川　秀夫
Original assignee: 富士ゼロックス株式会社
Priority date: 1984-01-30
Filing date: 1984-01-30
Publication date: 1985-08-19

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図は従来の現像装置を示す側面図、第２図は本考案
の一実施例の側面図、第３図はその要部の拡大側面図で
ある。１・・・感光ドラム、２・・・ハウジングの底板、３・
・・現像装置、４・・・現像ロール、６・・・露光部、
７・・・現像部、８・・・転写部、９・・・クリーニン
グ部、１０・・・マクネットロール、１１・・・ブレー
ド、１２・・・搬送ロール、１３・・・攪拌ロール、１
４・・・トナーボックス、１５・・・ブラシ、Ｓ・・・
間隙、ａ・・・トナー、ａ′・・・未使用トナー、ｂ・
・・トナー画像、Ｃ・・・紙粉。FIG. 1 is a side view showing a conventional developing device, FIG. 2 is a side view of an embodiment of the present invention, and FIG. 3 is an enlarged side view of the main parts thereof. 1... Photosensitive drum, 2... Bottom plate of housing, 3...
...Development device, 4...Development roll, 6...Exposure section,
7... Developing section, 8... Transfer section, 9... Cleaning section, 10... Macnet roll, 11... Blade, 12... Conveyance roll, 13... Stirring roll, 1
4... Toner box, 15... Brush, S...
Gap, a... Toner, a'... Unused toner, b.
... Toner image, C... Paper dust.

Claims

[Scope of utility model registration request]

In a developing device that has a developing roll placed in a housing and close to a photosensitive drum, and uses toner to develop an electrostatic latent image formed on the drum, a lower end of the housing and a photosensitive drum are arranged below the developing roll. A magnet roll is rotatably provided close to the photosensitive drum, and a brake is provided on the circumferential surface of the magnet roll to remove toner and paper dust that has adhered to the roll. A developing device for a copying machine, characterized in that: