JPS5995364U - dry developing device - Google Patents
dry developing deviceInfo
- 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
Links
Landscapes
- Dry Development In Electrophotography (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (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
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02107167U (en) * | 1989-02-10 | 1990-08-27 |
-
1982
- 1982-12-17 JP JP19103382U patent/JPS5995364U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02107167U (en) * | 1989-02-10 | 1990-08-27 |
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