JPH0190049U - - Google Patents
Info
- Publication number
- JPH0190049U JPH0190049U JP18699887U JP18699887U JPH0190049U JP H0190049 U JPH0190049 U JP H0190049U JP 18699887 U JP18699887 U JP 18699887U JP 18699887 U JP18699887 U JP 18699887U JP H0190049 U JPH0190049 U JP H0190049U
- Authority
- JP
- Japan
- Prior art keywords
- developing gap
- insulating layer
- photosensitive drum
- rolling bearing
- holding
- 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
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案に使用される、電子写真装置の
帯電から現像迄を説明する図。第２図、第３図は
本考案の実施例の図。第４図は従来技術の電子写
真装置の説明図。第５図は従来技術の説明図。第
６図ａ，ｂは従来技術の欠点を示す図。
１……感光ドラム、２……帯電器、３……露光
器、４……現像スリーブ、５……トナー、６……
現像ギヤツプ、７……現像バイアス、８……ドク
ターブレード、９……外輪部、１０……内輪部、
１１……絶縁層、１２……転がり軸受、１３……
高分子材料部材、１４……径ａ、１５……径ｂ、
１６……偏心。
FIG. 1 is a diagram illustrating the process from charging to development of an electrophotographic apparatus used in the present invention. FIGS. 2 and 3 are diagrams of embodiments of the present invention. FIG. 4 is an explanatory diagram of a conventional electrophotographic apparatus. FIG. 5 is an explanatory diagram of the prior art. FIGS. 6a and 6b are diagrams showing the drawbacks of the prior art. 1... Photosensitive drum, 2... Charger, 3... Exposure device, 4... Developing sleeve, 5... Toner, 6...
Developing gap, 7...Developing bias, 8...Doctor blade, 9...Outer ring part, 10...Inner ring part,
11... Insulating layer, 12... Rolling bearing, 13...
Polymer material member, 14...diameter a, 15...diameter b,
16...Eccentricity.
Claims (1)
し現像ギヤツプを保持する部材に、表面部に絶縁
層を形成した転がり軸受を使用することを特徴と
する、電子写真記録装置における現像ギヤツプ保
持機構。 A developing gap holding mechanism for an electrophotographic recording apparatus, characterized in that a rolling bearing having an insulating layer formed on its surface is used as a member for holding the developing gap in contact with a photosensitive drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18699887U JPH0190049U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18699887U JPH0190049U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190049U true JPH0190049U (en) | 1989-06-14 |
Family
ID=31478187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18699887U Pending JPH0190049U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014016390A (en) * | 2012-07-05 | 2014-01-30 | Ricoh Co Ltd | Facing devices, process cartridge and image forming apparatus |
-
1987
- 1987-12-08 JP JP18699887U patent/JPH0190049U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014016390A (en) * | 2012-07-05 | 2014-01-30 | Ricoh Co Ltd | Facing devices, process cartridge and image forming apparatus |