JPS59112258U - developer - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の現像口を示す断面図、第２図は第１図の
現像工程を説明するための概念図、第３図は従来の現像
器を用いた２色静電記録装置の断面図、第４図はこの考
案の一実施例による現像器を示す断面図、第５図は第４
図の現像器を用いた２色静電記録装置の断面図である。 図中、２はスリーブ、３は磁性トナー、４は穂切り板、
５はトナーボックス、６は静電記録紙、４１はマグネッ
トである。なお、図中、同一符号は同一、又は相当部分
を示す。Fig. 1 is a sectional view showing a conventional developing port, Fig. 2 is a conceptual diagram for explaining the developing process shown in Fig. 1, and Fig. 3 is a sectional view of a two-color electrostatic recording device using a conventional developing device. 4 is a sectional view showing a developing device according to an embodiment of this invention, and FIG.
FIG. 2 is a sectional view of a two-color electrostatic recording device using the developing device shown in the figure. In the figure, 2 is a sleeve, 3 is a magnetic toner, 4 is a cutting board,
5 is a toner box, 6 is electrostatic recording paper, and 41 is a magnet. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円貯状に形成され、その周壁にＮ、　　Ｓ極が交互に磁
化形成されたマグネット、およびこのマグネットの周壁
に回転可能に同心配設されたスリーブを有し、このスリ
ーブを回転させることにより磁性トナを吸引搬送する現
像器において、上記マグネットの磁極をトナ搬送側の片
側周壁にのみ設けたことを特徴とする現像器。It has a magnet that is formed in a circular shape and has N and S poles magnetized alternately on its circumferential wall, and a sleeve that is rotatably and concentrically arranged on the circumferential wall of the magnet, and by rotating this sleeve, it becomes magnetic. 1. A developing device for transporting toner by suction, characterized in that the magnetic pole of the magnet is provided only on one peripheral wall on the toner transporting side.