JPS5995364U - dry developing device - Google Patents

dry developing device

Info

Publication number
JPS5995364U
JPS5995364U JP19103382U JP19103382U JPS5995364U JP S5995364 U JPS5995364 U JP S5995364U JP 19103382 U JP19103382 U JP 19103382U JP 19103382 U JP19103382 U JP 19103382U JP S5995364 U JPS5995364 U JP S5995364U
Authority
JP
Japan
Prior art keywords
roller
pumping
duct
developing roller
developing device
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
JP19103382U
Other languages
Japanese (ja)
Inventor
俊次 加藤
Original Assignee
株式会社リコー
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 株式会社リコー filed Critical 株式会社リコー
Priority to JP19103382U priority Critical patent/JPS5995364U/en
Publication of JPS5995364U publication Critical patent/JPS5995364U/en
Pending legal-status Critical Current

Links

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図は本考案の１実施例を示す断面図、第２　　図は
第１図に示すトナー濃度センサの拡大断面図である。 １・・・感光体ドラム、２・・・乾式現像装置、３・・
・現像ケーシング、４・・・第１現像ローラ、５・・・
第２現像ローラ、６・・・汲上げローラ、７・・・ダク
ト、７ｂ・・・流出口、８・・・トナー濃度センサー、
１２・・・磁石。FIG. 1 is a sectional view showing one embodiment of the present invention, and FIG. 2 is an enlarged sectional view of the toner concentration sensor shown in FIG. 1. 1... Photosensitive drum, 2... Dry developing device, 3...
-Developing casing, 4...first developing roller, 5...
Second developing roller, 6... pumping roller, 7... duct, 7b... outlet, 8... toner concentration sensor,
12...Magnet.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 静電潜像担持体に対接する現像ローラと、トナー濃度セ
ンサーが取付けられていて、前記現像ローラから現像剤
を下方へ流出させるダクトと、前記現像ローラの下位に
設けられていて現像剤を前記現像ローラへ供給する汲上
げ冶−ラとを有する乾式現像装置において、周面に多数
のブレードを放射状に突設した中空ローラからなる汲上
げローラと、この汲上げローラ内に不動状態に配置され
る磁石と、前記汲上げローラ周面近傍であって前記磁石
に対向する位置に現像剤の流出口が配置されるダクトを
備えたことを特徴とする乾式現像装置。A developing roller that is in contact with the electrostatic latent image carrier, a toner concentration sensor is attached, a duct that allows the developer to flow downward from the developing roller, and a duct that is provided below the developing roller and that allows the developer to flow downwardly from the developing roller. In a dry-type developing device having a pumping jig for supplying to a developing roller, a pumping roller consisting of a hollow roller having a plurality of blades protruding radially from the circumferential surface, and a pumping roller disposed immovably within the pumping roller. 1. A dry-type developing device comprising: a magnet; and a duct having a developer outlet located near the circumferential surface of the pumping roller and facing the magnet.
JP19103382U 1982-12-17 1982-12-17 dry developing device Pending JPS5995364U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19103382U JPS5995364U (en) 1982-12-17 1982-12-17 dry developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19103382U JPS5995364U (en) 1982-12-17 1982-12-17 dry developing device

Publications (1)

Publication Number Publication Date
JPS5995364U true JPS5995364U (en) 1984-06-28

Family

ID=30411472

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19103382U Pending JPS5995364U (en) 1982-12-17 1982-12-17 dry developing device

Country Status (1)

Country Link
JP (1) JPS5995364U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107167U (en) * 1989-02-10 1990-08-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107167U (en) * 1989-02-10 1990-08-27

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