JPH049958U - - Google Patents
Info
- Publication number
- JPH049958U JPH049958U JP4984990U JP4984990U JPH049958U JP H049958 U JPH049958 U JP H049958U JP 4984990 U JP4984990 U JP 4984990U JP 4984990 U JP4984990 U JP 4984990U JP H049958 U JPH049958 U JP H049958U
- Authority
- JP
- Japan
- Prior art keywords
- developer
- chamber
- replenishment
- roller
- 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
- 238000003756 stirring Methods 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010408 sweeping Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の実施例の模式的断面図、第２
図は第１図の円部の拡大図、第３図は本考案の
第２の実施例の模式的断面図、第４図は画像形成
装置の模式的断面図、第５図は第１の従来例の模
式的断面図、第６図は第２の従来例の模式的断面
図である。
２１……トナーホツパ、２１ａ……トナー補給
ロール、２１ｃ……掃出片、２１ｄ……現像剤撹
拌搬送部材、２１ｅ……現像剤受用壁部、２１ｆ
……連通部。
Fig. 1 is a schematic sectional view of an embodiment of the present invention;
The figure is an enlarged view of the circular part in Figure 1, Figure 3 is a schematic sectional view of the second embodiment of the present invention, Figure 4 is a schematic sectional view of the image forming apparatus, and Figure 5 is a schematic sectional view of the second embodiment of the present invention. FIG. 6 is a schematic sectional view of a second conventional example. 21... Toner hopper, 21a... Toner supply roll, 21c... Sweeping piece, 21d... Developer stirring and conveying member, 21e... Developer receiving wall, 21f
...Communication Department.
Claims (1)
剤収容室と、 前記現像室と前記補給用現像剤収容室の連通部
に配設され周面に現像剤を担持して前記補給用現
像剤収容室から前記現像室に現像剤を補給する所
定方向に回転可能な現像剤補給ローラとを備え、 前記補給用現像剤収容室はその底部が前記現像
剤補給ローラよりも低位置にあり、内部に回転自
在であつて現像剤をすくつて前記現像剤補給ロー
ラに搬送する現像剤撹拌搬送部材を有する現像装
置において、 前記連通部の前記補給用現像剤収容室側でかつ
前記現像剤補給ローラの回転方向下流側に前記現
像剤補給ローラの周面と所定の間隔をあけて上方
に突出し、前記現像剤撹拌搬送部材の端部と間欠
的に当接すると共に前記現像剤撹拌搬送部材によ
り搬送される現像剤を受ける現像剤受用壁部を有
することを特徴とする現像装置。 ２ 前記現像剤受用壁部は前記現像剤補給ローラ
に接近及び離間する方向に揺動可能な可撓性材料
で形成されていることを特徴とする請求項１記載
の現像装置。[Claims for Utility Model Registration] 1. A developing chamber that accommodates a developer, a replenishing developer accommodating chamber for replenishing the developer to the developing chamber, and communication between the developing chamber and the replenishing developer accommodating chamber. a developer replenishment roller that is rotatable in a predetermined direction and that carries developer on its peripheral surface and replenishes the developer from the replenishment developer storage chamber to the development chamber; In the developing device, the storage chamber has a bottom at a lower position than the developer replenishment roller, and has a developer stirring and conveying member therein that is rotatable and scoops up the developer and conveys it to the developer replenishment roller. On the side of the replenishment developer storage chamber of the communication portion and on the downstream side in the rotational direction of the developer replenishment roller, the developer agitation and conveyance member projects upwardly at a predetermined distance from the circumferential surface of the developer replenishment roller. A developing device comprising a developer receiving wall portion that intermittently contacts the end portion and receives the developer conveyed by the developer agitation conveyance member. 2. The developing device according to claim 1, wherein the developer receiving wall portion is formed of a flexible material that can swing in directions toward and away from the developer supply roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4984990U JPH049958U (en) | 1990-05-15 | 1990-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4984990U JPH049958U (en) | 1990-05-15 | 1990-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049958U true JPH049958U (en) | 1992-01-28 |
Family
ID=31567893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4984990U Pending JPH049958U (en) | 1990-05-15 | 1990-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049958U (en) |
-
1990
- 1990-05-15 JP JP4984990U patent/JPH049958U/ja active Pending
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