JPH0314655U - - Google Patents
Info
- Publication number
- JPH0314655U JPH0314655U JP7508689U JP7508689U JPH0314655U JP H0314655 U JPH0314655 U JP H0314655U JP 7508689 U JP7508689 U JP 7508689U JP 7508689 U JP7508689 U JP 7508689U JP H0314655 U JPH0314655 U JP H0314655U
- Authority
- JP
- Japan
- Prior art keywords
- latent image
- image carrier
- roller
- developing
- developing roller
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は実施例である現像装置の現像ローラの
斜視図、第２図は本考案の現像装置を用いた複写
機の概略構成図である。
１……感光体ドラム、２……メインチヤージヤ
、３……露光部、４……トナーカートリツジ、５
……紙、６……現像装置、７……転写部、８……
分離部、１０……清掃部、１１……除電部、１４
……供給ローラ、１５……現像ローラ、１６……
レジストローラ、１９……スペーサコロ、２０…
…ドクターブレード、２１……ハウジング、２２
……シール部材。
FIG. 1 is a perspective view of a developing roller of a developing device according to an embodiment, and FIG. 2 is a schematic diagram of a copying machine using the developing device of the present invention. 1... Photosensitive drum, 2... Main charger, 3... Exposure section, 4... Toner cartridge, 5
...Paper, 6...Developing device, 7...Transfer section, 8...
Separation section, 10... Cleaning section, 11... Static elimination section, 14
... Supply roller, 15 ... Development roller, 16 ...
Registration roller, 19... Spacer roller, 20...
...Doctor blade, 21...Housing, 22
...Seal member.
Claims (1)
転させるトナーを担持した現像ローラと、 現像ローラと潜像担持体との間隔を一定に保つ
ために現像ローラの両端に設けられ、潜像担持体
に当接して回転するスペーサコロと、 を備えた現像装置において、 スペーサコロと潜像担持体との接触部の周囲で
潜像担持体の外形に倣う形状を有する開口部を有
し、その他の部分でスペーサコロを覆うハウジン
グを設け、該ハウジングの開口部の潜像担持体に
対向する面と潜像担持体外形面との間にシール部
材を設けたことを特徴とする現像装置。[Scope of Claim for Utility Model Registration] A latent image carrier, a developing roller provided parallel to the latent image carrier and carrying toner to be transferred to the latent image carrier, and an interval between the developing roller and the latent image carrier. In a developing device equipped with a spacer roller which is provided at both ends of the developing roller and rotates in contact with the latent image carrier in order to keep the developing roller constant, the latent image carrier rotates around the contact area between the spacer roller and the latent image carrier. A housing is provided that has an opening shaped to follow the outer shape of the spacer roller, and the other portion covers the spacer roller, and a seal is provided between the surface of the opening of the housing that faces the latent image carrier and the outer surface of the latent image carrier. A developing device characterized by being provided with a member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508689U JPH071638Y2 (en) | 1989-06-27 | 1989-06-27 | Development device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508689U JPH071638Y2 (en) | 1989-06-27 | 1989-06-27 | Development device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0314655U true JPH0314655U (en) | 1991-02-14 |
| JPH071638Y2 JPH071638Y2 (en) | 1995-01-18 |
Family
ID=31615352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7508689U Expired - Lifetime JPH071638Y2 (en) | 1989-06-27 | 1989-06-27 | Development device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071638Y2 (en) |
-
1989
- 1989-06-27 JP JP7508689U patent/JPH071638Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH071638Y2 (en) | 1995-01-18 |