JPH0295361U - - Google Patents
Info
- Publication number
- JPH0295361U JPH0295361U JP266889U JP266889U JPH0295361U JP H0295361 U JPH0295361 U JP H0295361U JP 266889 U JP266889 U JP 266889U JP 266889 U JP266889 U JP 266889U JP H0295361 U JPH0295361 U JP H0295361U
- Authority
- JP
- Japan
- Prior art keywords
- discharge port
- toner
- unit
- main body
- toner discharge
- 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
- 238000004140 cleaning Methods 0.000 claims description 2
Landscapes
- Cleaning In Electrography (AREA)
Description
第１図は本実施例の要部を示す断面図、第２図
は装置本体にセツトした状態の断面図、第３図は
シヤツタ部材の斜視図、第４図は連通管の拡大断
面図、第５図は逆さにした状態の現像器ユニツト
の断面図、第６図はルーフを開いた状態の装置本
体の側面図、第７図は従来のユニツトを逆さにし
た状態の断面図、第８図は第７図の−線断面
図、第９図は従来のユニツトを正規の方向にした
状態の断面図、第１０図は第９図のＹ−Ｙ線断面
図である。
４……現像部、７……クリーニング部、１５…
…現像器ユニツト、１６……画像形成装置本体、
１９……連通管、２１……搬送コイル、２３……
トナー排出口、２５……シヤツタ部材、３５……
マイクロスイツチ。
Fig. 1 is a sectional view showing the main parts of this embodiment, Fig. 2 is a sectional view of the device set in the main body, Fig. 3 is a perspective view of the shutter member, Fig. 4 is an enlarged sectional view of the communicating pipe, Fig. 5 is a sectional view of the developing unit in an upside down state, Fig. 6 is a side view of the main body of the device with the roof open, Fig. 7 is a sectional view of a conventional unit in an inverted state, and Fig. 8 is a sectional view of the developing unit in an inverted state. The figures are a cross-sectional view taken along the line -- in FIG. 7, FIG. 9 is a cross-sectional view of the conventional unit in the normal direction, and FIG. 10 is a cross-sectional view taken along the Y--Y line in FIG. 4...Developing section, 7...Cleaning section, 15...
...Developer unit, 16...Image forming apparatus main body,
19...Communication pipe, 21...Transportation coil, 23...
Toner discharge port, 25... Shutter member, 35...
Micro switch.
Claims (1)
及び該連通管のトナー排出口に該トナー排出口を
閉鎖するシヤツタ部材を有し装置本体に着脱可能
な現像器ユニツトと、上記装置本体にセツトされ
た上記現像器ユニツトの上記シヤツタ部を上記ト
ナー排出口が開口する位置へ移動させる手段と、
上記シヤツタ部材の移動を検知する手段とを設け
たことを特徴とする現像形成装置。 a developing device unit that is removably attached to an apparatus main body and has a communication pipe that returns toner from a cleaning section and a shutter member that closes the toner discharge port at a toner discharge port of the communication pipe; and the developer unit that is set in the device main body. means for moving the shutter section of the toner unit to a position where the toner discharge port opens;
A development forming apparatus comprising: means for detecting movement of the shutter member.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP266889U JPH0295361U (en) | 1989-01-17 | 1989-01-17 | |
| US07/452,282 US5128724A (en) | 1988-12-23 | 1989-12-18 | Developer restoring unit in an image forming apparatus |
| EP89123661A EP0374920B1 (en) | 1988-12-23 | 1989-12-21 | Developer circulator unit of the images forming apparatus |
| DE68915718T DE68915718T2 (en) | 1988-12-23 | 1989-12-21 | Developer transport unit for an image forming device. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP266889U JPH0295361U (en) | 1989-01-17 | 1989-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295361U true JPH0295361U (en) | 1990-07-30 |
Family
ID=31203636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP266889U Pending JPH0295361U (en) | 1988-12-23 | 1989-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295361U (en) |
-
1989
- 1989-01-17 JP JP266889U patent/JPH0295361U/ja active Pending