JPS6347353U - - Google Patents
Info
- Publication number
- JPS6347353U JPS6347353U JP14138986U JP14138986U JPS6347353U JP S6347353 U JPS6347353 U JP S6347353U JP 14138986 U JP14138986 U JP 14138986U JP 14138986 U JP14138986 U JP 14138986U JP S6347353 U JPS6347353 U JP S6347353U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- roller
- developing
- supply
- 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.)
- Pending
Links
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案が適用される通常の形態の非磁
性一成分現像剤を用いる現像装置の構成を示す断
面図、第２図は本考案の供給ローラの斜視図、第
３図は本考案の場合の現像ローラの表面に付着さ
れる現像剤の状態を示す斜視図、第４図は従来の
現像装置の場合の現像剤の搬送部分の断面図、第
５図は従来例における現像ローラの現像剤の付着
状態を示す斜視図である。
図中の符号、１……感光体ドラム、２……トナ
ーホツパー、３……アジテータ、５……現像器、
６……ハウジング、６ａ……ハウジング下部、７
……ハウジング内面、８……層形成部材、９……
フイルムシール、１０……現像剤、１１……現像
ローラ、１２……現像剤のすじ、１５……供給ロ
ーラ、１６……リブ、１７……スパイラル溝。
FIG. 1 is a cross-sectional view showing the configuration of a developing device using a normal non-magnetic one-component developer to which the present invention is applied, FIG. 2 is a perspective view of the supply roller of the present invention, and FIG. 3 is a diagram of the present invention. FIG. 4 is a sectional view of the developer conveying part in the conventional developing device, and FIG. 5 is a perspective view showing the state of the developer attached to the surface of the developing roller in the case of FIG. 3 is a perspective view showing the state of adhesion of developer. Symbols in the figure: 1...Photosensitive drum, 2...Toner hopper, 3...Agitator, 5...Developer,
6...Housing, 6a...Housing lower part, 7
...Housing inner surface, 8...Layer forming member, 9...
Film seal, 10...developer, 11...developing roller, 12...developer streak, 15...supply roller, 16...rib, 17...spiral groove.
Claims (1)
表面にトナー画像を形成するための現像器におい
て、現像ローラに現像剤を供給するために供給ロ
ーラを用い、該供給ローラの表面には、現像ロー
ラの表面に対して、一定の間隔をおいてすじ状に
現像剤を付着させるような部材を設けるとともに
、該表面にスパイラル溝を形成してなり、該スパ
イラル溝を介して現像器下部の現像剤の圧力を解
放させることにより、該部分での上昇を防止出来
るように構成したことを特徴とする現像装置。 In a developing device for forming a toner image on the surface of a photoreceptor drum or the like using a non-magnetic one-component developer, a supply roller is used to supply the developer to the developing roller, and the surface of the supply roller includes: A member is provided that allows the developer to adhere to the surface of the developing roller in a striped manner at regular intervals, and a spiral groove is formed on the surface of the developing roller. A developing device characterized in that it is configured such that rising of the developer at the portion can be prevented by releasing the pressure of the developer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14138986U JPS6347353U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14138986U JPS6347353U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347353U true JPS6347353U (en) | 1988-03-31 |
Family
ID=31049124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14138986U Pending JPS6347353U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430098A2 (en) * | 1989-11-29 | 1991-06-05 | Mita Industrial Co., Ltd. | Feed roller for mixing a powder |
-
1986
- 1986-09-17 JP JP14138986U patent/JPS6347353U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430098A2 (en) * | 1989-11-29 | 1991-06-05 | Mita Industrial Co., Ltd. | Feed roller for mixing a powder |
| EP0430098A3 (en) * | 1989-11-29 | 1993-03-17 | Mita Industrial Co., Ltd. | Feed roller |