JPH03129968U - - Google Patents
Info
- Publication number
- JPH03129968U JPH03129968U JP3980690U JP3980690U JPH03129968U JP H03129968 U JPH03129968 U JP H03129968U JP 3980690 U JP3980690 U JP 3980690U JP 3980690 U JP3980690 U JP 3980690U JP H03129968 U JPH03129968 U JP H03129968U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- supplying
- rotating shaft
- detection sensor
- amount detection
- 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.)
- Granted
Links
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Dry Development In Electrophotography (AREA)
- Color Electrophotography (AREA)
Description
第１〜９図は本考案に係るトナー供給装置の一
実施例を示す図であり、第１図はその現像ユニツ
トと供給ユニツトの係合状態の説明図、第２図は
その現像ユニツトと供給ユニツトの離脱状態の説
明、第３図はその現像ユニツトの断面図、第４図
はその供給ユニツトの断面図、第５図は第４図の
−矢視断面図、第６図は第４図の−矢視
断面図、第７図はそのトナー供給経路の接続およ
び切断動の説明図、第８図はその制御手段のブロ
ツク部、第９図はモータオン信号および逆転信号
のタイミングチヤート、第１０，１１図は従来の
撹拌部材の構成図である。
１１……カラー複写機（画像形成装置）、１２
ＢＫ，１２Ｃ，１２Ｍ，１２Ｙ……現像ユニツト
（現像機）、１４ＢＫ，１４Ｃ，１４Ｍ，１４Ｙ
……供給ユニツト、３４……搬送スクリユウ、（
供給手段）、３７……トナー搬送スクリユウ、３
８，４０…撹拌部材、３９，４１……回転軸、４
９……トナー残量検出センサ。
1 to 9 are diagrams showing one embodiment of the toner supply device according to the present invention, FIG. 1 is an explanatory diagram of the engaged state of the developing unit and the supply unit, and FIG. 2 is an explanatory diagram of the developing unit and the supply unit. 3 is a sectional view of the developing unit, FIG. 4 is a sectional view of the supply unit, FIG. 5 is a sectional view taken along the - arrow in FIG. 4, and FIG. 6 is a sectional view of the developing unit. 7 is an explanatory diagram of the connection and disconnection of the toner supply path, FIG. 8 is a block section of the control means, FIG. 9 is a timing chart of the motor on signal and reverse rotation signal, and FIG. , 11 is a configuration diagram of a conventional stirring member. 11...Color copying machine (image forming device), 12
BK, 12C, 12M, 12Y...Developing unit (developing machine), 14BK, 14C, 14M, 14Y
... Supply unit, 34 ... Conveyance screw, (
supply means), 37...toner conveyance screw, 3
8, 40... Stirring member, 39, 41... Rotating shaft, 4
9...Toner remaining amount detection sensor.
Claims (1)
体で設けられた回転軸に取付けられ、トナーを撹
拌する撹拌部材と、撹拌されたトナーを画像形成
装置の現像機に供給する供給手段と、を備えたト
ナー供給装置において、前記撹拌部材を弾性部材
から構成したことを特徴とするトナー供給装置。 (2) 前記撹拌部材をトナー残量検出センサ近傍
に配設するとともに、複数の弾性部材から構成し
、該弾性部材をトナー残量検出センサの表面に接
触させるようにしたことを特徴とする請求項１記
載のトナー供給装置。 (3) 前記回転軸を正転および逆転させるように
したことを特徴とする請求項１，２記載のトナー
供給装置。[Scope of Claim for Utility Model Registration] (1) A stirring member that is attached to a rotating shaft that is provided integrally with or separately from a toner conveying screw and that stirs toner, and supplies the stirred toner to a developing machine of an image forming apparatus. What is claimed is: 1. A toner supplying device comprising: a supplying means for toner supplying, wherein the agitating member is made of an elastic member. (2) A claim characterized in that the stirring member is disposed near the remaining toner amount detection sensor, and is composed of a plurality of elastic members, and the elastic members are brought into contact with the surface of the remaining toner amount detection sensor. Item 1. The toner supply device according to item 1. (3) The toner supply device according to claim 1 or 2, wherein the rotating shaft is configured to rotate forward and backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990039806U JP2537816Y2 (en) | 1990-04-12 | 1990-04-12 | Toner supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990039806U JP2537816Y2 (en) | 1990-04-12 | 1990-04-12 | Toner supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03129968U true JPH03129968U (en) | 1991-12-26 |
| JP2537816Y2 JP2537816Y2 (en) | 1997-06-04 |
Family
ID=31549037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990039806U Expired - Lifetime JP2537816Y2 (en) | 1990-04-12 | 1990-04-12 | Toner supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2537816Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185859U (en) * | 1982-06-02 | 1983-12-10 | 桂川電機株式会社 | Toner supply device for electrophotographic equipment |
| JPS6438779A (en) * | 1987-08-05 | 1989-02-09 | Minolta Camera Kk | Cleaning device for toner detecting sensor |
| JPH01139257U (en) * | 1988-03-17 | 1989-09-22 | ||
| JPH01316766A (en) * | 1988-06-17 | 1989-12-21 | Canon Inc | Developing device of image forming device |
-
1990
- 1990-04-12 JP JP1990039806U patent/JP2537816Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58185859U (en) * | 1982-06-02 | 1983-12-10 | 桂川電機株式会社 | Toner supply device for electrophotographic equipment |
| JPS6438779A (en) * | 1987-08-05 | 1989-02-09 | Minolta Camera Kk | Cleaning device for toner detecting sensor |
| JPH01139257U (en) * | 1988-03-17 | 1989-09-22 | ||
| JPH01316766A (en) * | 1988-06-17 | 1989-12-21 | Canon Inc | Developing device of image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2537816Y2 (en) | 1997-06-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |