JPH03112761U - - Google Patents
Info
- Publication number
- JPH03112761U JPH03112761U JP2011290U JP2011290U JPH03112761U JP H03112761 U JPH03112761 U JP H03112761U JP 2011290 U JP2011290 U JP 2011290U JP 2011290 U JP2011290 U JP 2011290U JP H03112761 U JPH03112761 U JP H03112761U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- carrier
- regulating member
- developing device
- developer carrier
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000009825 accumulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案に係る規制ブレードの部分拡大
説明図、第２図は現像ローラと規制ブレードの関
係を示す図、第３図は規制ブレードの先端角と先
端曲率とトナー付着量の関係を示す図、第４図は
トナー進入角にトナー付着量の関係を示す図、第
５図は現像装置の説明図、第６図〜第８図は従来
の規制部材の各例を示す図である。
５……現像剤担持体、６……規制部材、９……
潜像担持体。
Fig. 1 is a partially enlarged explanatory diagram of the regulating blade according to the present invention, Fig. 2 is a diagram showing the relationship between the developing roller and the regulating blade, and Fig. 3 is a diagram showing the relationship between the tip angle, tip curvature, and toner adhesion amount of the regulating blade. FIG. 4 is a diagram showing the relationship between the toner entrance angle and the toner adhesion amount, FIG. 5 is an explanatory diagram of the developing device, and FIGS. 6 to 8 are diagrams showing examples of conventional regulating members. . 5...Developer carrier, 6...Regulating member, 9...
latent image carrier.
Claims (1)
と、該現像剤担持体表面を摺擦して現像剤を均一
薄層状にするブレード状規制部材とを有し、潜像
担持体上の静電潜像を現像する現像装置において
、 前記規制部材の接点における現像剤に対する接
線と、現像剤担持体の接点における現像剤に対す
る接線のなす角度を３０°〜１００°にしたこと
を特徴とする現像装置。 (2) 前記規制部材と前記現像剤担持体との間の
隙間のトナー溜りが２００μｍ以内であることを
特徴とする請求項１に記載の現像装置。[Scope of Claim for Utility Model Registration] (1) A developer carrier that holds a dry one-component developer, and a blade-like regulating member that rubs the surface of the developer carrier to form a uniform thin layer of the developer. In a developing device for developing an electrostatic latent image on a latent image carrier, the angle between the tangent to the developer at the contact point of the regulating member and the tangent to the developer at the contact point of the developer carrier is 30° to 30°. A developing device characterized by having an angle of 100°. (2) The developing device according to claim 1, wherein a toner accumulation in a gap between the regulating member and the developer carrier is within 200 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011290U JPH03112761U (en) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011290U JPH03112761U (en) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03112761U true JPH03112761U (en) | 1991-11-18 |
Family
ID=31523211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011290U Pending JPH03112761U (en) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03112761U (en) |
-
1990
- 1990-02-28 JP JP2011290U patent/JPH03112761U/ja active Pending
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