JPH03105855U - - Google Patents
Info
- Publication number
- JPH03105855U JPH03105855U JP1372690U JP1372690U JPH03105855U JP H03105855 U JPH03105855 U JP H03105855U JP 1372690 U JP1372690 U JP 1372690U JP 1372690 U JP1372690 U JP 1372690U JP H03105855 U JPH03105855 U JP H03105855U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- image area
- axial end
- sealing member
- developing
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案による現像器の現像ローラの
断面図、第２図はその現像器全体の断面図、第３
図はその現像器の−線の矢視図、第４図はそ
の現像器を備えるレーザプリンタの内部機構全体
の概略構成図である。第５図は従来の現像器の一
部の概略構成図、第６図はその現像ローラの斜視
図、第７図は従来の現像器の問題を説明する説明
図である。
１６……現像器、２６……現像ローラ、２６ｄ
……摩擦係数の小さい樹脂部材、２９……薄層化
部材、３５……トナー。
Fig. 1 is a sectional view of the developing roller of the developing device according to this invention, Fig. 2 is a sectional view of the entire developing device, and Fig. 3 is a sectional view of the developing roller of the developing device according to this invention.
The figure is a view taken along the - line of the developing device, and FIG. 4 is a schematic diagram of the entire internal mechanism of a laser printer equipped with the developing device. FIG. 5 is a schematic diagram of a part of a conventional developing device, FIG. 6 is a perspective view of its developing roller, and FIG. 7 is an explanatory diagram illustrating problems in the conventional developing device. 16...Developing device, 26...Developing roller, 26d
...resin member with a small coefficient of friction, 29 ... thinning member, 35 ... toner.
Claims (1)
ル部材を現像ローラの軸方向端部の非画像域に押
し当てて軸方向端部からのトナー漏れを防止する
電子写真装置の現像器において、前記現像ローラ
の非画像域外周に摩擦係数の小さい樹脂部材を塗
布してなる、電子写真装置の現像器。 In a developing device of an electrophotographic apparatus in which a sealing member is attached to a casing and the sealing member is pressed against a non-image area at an axial end of the developing roller to prevent toner leakage from the axial end, A developing device for an electrophotographic device that is made by applying a resin member with a small friction coefficient to the outer periphery of the non-image area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1372690U JPH03105855U (en) | 1990-02-16 | 1990-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1372690U JPH03105855U (en) | 1990-02-16 | 1990-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03105855U true JPH03105855U (en) | 1991-11-01 |
Family
ID=31517124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1372690U Pending JPH03105855U (en) | 1990-02-16 | 1990-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03105855U (en) |
-
1990
- 1990-02-16 JP JP1372690U patent/JPH03105855U/ja active Pending