JPS6443371U - - Google Patents
Info
- Publication number
- JPS6443371U JPS6443371U JP13904587U JP13904587U JPS6443371U JP S6443371 U JPS6443371 U JP S6443371U JP 13904587 U JP13904587 U JP 13904587U JP 13904587 U JP13904587 U JP 13904587U JP S6443371 U JPS6443371 U JP S6443371U
- Authority
- JP
- Japan
- Prior art keywords
- protective cover
- circumferential surface
- rotating body
- cylindrical rotating
- predetermined area
- 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
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Description
第１図ａ，ｂは、本考案の一実施例を示すドラ
ムユニツトＤＵを示す構成図、第２図は、本考案
のドラムユニツトＤＵ及びそれが着脱される下部
機体ＤＢ近傍の要部斜視図、第３図は、従来のド
ラムユニツトＤＵを示す構成図、第４図は、従来
の画像形成装置を示す要部構成図である。
ＤＵ……ドラムユニツト、ＴＵ……トナーユニ
ツト、１……感光体ドラム、１ａ……軸心、２…
…帯電器、３……現像器、４……転写器、５……
クリーナ、６……保護カバー、６ａ，６ｂ……ヒ
ンジ、７，８……支持部材、９……分離ロール、
１０……ブレード、１１……すくいシート、１２
……トナー搬送部、１３……撹拌ロール、１４…
…現像スリーブ、１５……ドクターブレード、１
６……トナー濃度センサ、１７……トナー補給ロ
ール、１８……トナーホツパ、２０……開口部、
２１……ケーシング、２２……保護カバー、２２
ａ，２２ｂ……ヒンジ部、２３……把手部、２４
……取付軸、２５……取付溝、２６……取付部、
２７，２８……支持部材、２９，３０……軸。
FIGS. 1a and 1b are block diagrams showing a drum unit DU according to an embodiment of the present invention, and FIG. 2 is a perspective view of the drum unit DU of the present invention and the main parts near the lower body DB to which it is attached and detached. , FIG. 3 is a block diagram showing a conventional drum unit DU, and FIG. 4 is a block diagram showing main parts of a conventional image forming apparatus. DU...Drum unit, TU...Toner unit, 1...Photosensitive drum, 1a...Axis center, 2...
...Charger, 3...Developer, 4...Transfer device, 5...
Cleaner, 6... Protective cover, 6a, 6b... Hinge, 7, 8... Support member, 9... Separation roll,
10...Blade, 11...Rake sheet, 12
...Toner conveyance section, 13...Stirring roll, 14...
...Developing sleeve, 15...Doctor blade, 1
6... Toner concentration sensor, 17... Toner supply roll, 18... Toner hopper, 20... Opening,
21... Casing, 22... Protective cover, 22
a, 22b...Hinge part, 23...Handle part, 24
...Mounting shaft, 25...Mounting groove, 26...Mounting part,
27, 28... Support member, 29, 30... Shaft.
Claims (1)
近して被覆する第１の位置と、該所定領域を該周
面に離間して露出する第２の位置との間を移動可
能な保護カバーにおいて、 前記保護カバーは、回動自在な支持部材に少な
くとも２個のヒンジ部で結合され、前記ヒンジ部
の移動軌跡が前記円筒状回転体の同心円上に存在
しない構成としたことを特徴とする保護カバー。 (2) 前記円筒状回転体は、感光体ドラムである
ことを特徴とする実用新案登録請求の範囲第１項
記載の保護カバー。[Claims for Utility Model Registration] (1) A first position where a predetermined area of the circumferential surface of the cylindrical rotating body is covered close to the circumferential surface, and a second position where the predetermined area is exposed at a distance from the circumferential surface. In the protective cover that is movable between two positions, the protective cover is coupled to a rotatable support member by at least two hinge parts, and the movement locus of the hinge part corresponds to a concentric circle of the cylindrical rotating body. A protective cover characterized by having a structure that does not exist on the top. (2) The protective cover according to claim 1, wherein the cylindrical rotating body is a photosensitive drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13904587U JPS6443371U (en) | 1987-09-11 | 1987-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13904587U JPS6443371U (en) | 1987-09-11 | 1987-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6443371U true JPS6443371U (en) | 1989-03-15 |
Family
ID=31401939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13904587U Pending JPS6443371U (en) | 1987-09-11 | 1987-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6443371U (en) |
-
1987
- 1987-09-11 JP JP13904587U patent/JPS6443371U/ja active Pending