JPS58100366U - developing device - Google Patents

developing device

Info

Publication number
JPS58100366U
JPS58100366U JP19725281U JP19725281U JPS58100366U JP S58100366 U JPS58100366 U JP S58100366U JP 19725281 U JP19725281 U JP 19725281U JP 19725281 U JP19725281 U JP 19725281U JP S58100366 U JPS58100366 U JP S58100366U
Authority
JP
Japan
Prior art keywords
developing device
developed
magnetic
magnetic developer
outer cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19725281U
Other languages
Japanese (ja)
Inventor
克己 鈴木
毅 上野
Original Assignee
株式会社東芝
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP19725281U priority Critical patent/JPS58100366U/en
Publication of JPS58100366U publication Critical patent/JPS58100366U/en
Pending legal-status Critical Current

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  • Magnetic Brush Developing In Electrophotography (AREA)

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図は従来例を示す電子複写機の内部構成図、第2図
は従来の現像装置を示す側断面図、第3図は第2図中A
を拡大して示す断面図、第4図は本考案の一実施例であ
る現像装置を示す断面図、第5図は本考案の第1の他の
実施例を示す側断面図、第6図は本考案の第2の他の実
施例を示す側断面図である。 37・・・外筒(回転スリーブ)、3B、51゜61・
・・磁極、45・・・被現像面、39・・・非吸引部、
33・・・磁性現像剤、36・・・供給体(第1のマグ
ネットロール)、43・・・吸引部、48・・・回収体
(第2のマグネットロール)、42・・・磁極。
Fig. 1 is an internal configuration diagram of a conventional electronic copying machine, Fig. 2 is a side sectional view showing a conventional developing device, and Fig. 3 is A in Fig. 2.
FIG. 4 is a sectional view showing a developing device according to an embodiment of the present invention, FIG. 5 is a side sectional view showing the first other embodiment of the present invention, and FIG. FIG. 2 is a side sectional view showing a second alternative embodiment of the present invention. 37...Outer cylinder (rotating sleeve), 3B, 51°61.
...Magnetic pole, 45...Development surface, 39...Non-attracting part,
33... Magnetic developer, 36... Supply body (first magnet roll), 43... Attraction section, 48... Collection body (second magnet roll), 42... Magnetic pole.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)外筒内に磁性現像剤吸引用の磁極を配設し、被現
像面と対向する部分を非吸引部とし、上記外筒の回転に
より上記磁性現像剤を搬送してこれを上記非吸引部で上
記被現像面に供給する供給体と、上記被現像面との対向
部に磁極からなる吸引部を有し、上記供給体によって供
給された磁性現像剤のうち被現像面以外に向かう磁性現
像剤を上記吸引部によって吸引回収する回収体とを具備
してなることを特徴とする現像装置。
(1) A magnetic pole for attracting the magnetic developer is disposed inside the outer cylinder, and the part facing the surface to be developed is set as a non-attracting part, and the rotation of the outer cylinder transports the magnetic developer and draws it into the non-magnetic developer. A supply body that supplies the surface to be developed with a suction section, and a suction section consisting of a magnetic pole at a portion facing the surface to be developed, and the magnetic developer supplied by the supply body is directed toward a surface other than the surface to be developed. A developing device comprising: a collecting body for collecting magnetic developer by suction using the suction section.
(2)回収体の磁極は被現像面と対向する部分にのみ設
けられたことを特徴とする実用新案登録請求の範囲第1
項記載の現像装置。
(2) Utility model registration claim 1, characterized in that the magnetic pole of the collecting body is provided only in the portion facing the surface to be developed.
Developing device as described in section.
(3)磁性現像剤は一成分磁性トナーであることを特徴
とする実用新案登録請求の範囲第1項または第2項記載
の現像装置。
(3) The developing device according to claim 1 or 2, wherein the magnetic developer is a one-component magnetic toner.
(4)外筒上に磁性現像剤と摩擦帯電特性を逆極性とす
る樹脂をコーテングしたことを特徴とする実用新案登録
請求の範囲第1項または第2項記 −載の現像装置。
(4) The developing device according to claim 1 or 2, characterized in that the outer cylinder is coated with a resin whose triboelectric charging property is opposite in polarity to that of the magnetic developer.
JP19725281U 1981-12-26 1981-12-26 developing device Pending JPS58100366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19725281U JPS58100366U (en) 1981-12-26 1981-12-26 developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19725281U JPS58100366U (en) 1981-12-26 1981-12-26 developing device

Publications (1)

Publication Number Publication Date
JPS58100366U true JPS58100366U (en) 1983-07-08

Family

ID=30110464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19725281U Pending JPS58100366U (en) 1981-12-26 1981-12-26 developing device

Country Status (1)

Country Link
JP (1) JPS58100366U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59204872A (en) * 1983-05-10 1984-11-20 Canon Inc Forming device of developer thin layer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59204872A (en) * 1983-05-10 1984-11-20 Canon Inc Forming device of developer thin layer

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