JPH0171768U - - Google Patents
Info
- Publication number
- JPH0171768U JPH0171768U JP1987167223U JP16722387U JPH0171768U JP H0171768 U JPH0171768 U JP H0171768U JP 1987167223 U JP1987167223 U JP 1987167223U JP 16722387 U JP16722387 U JP 16722387U JP H0171768 U JPH0171768 U JP H0171768U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- remaining amount
- amount sensor
- conveyance
- hopper
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図乃至第５図は本考案の実施例を示すもの
であつて、第１図はトナー搬送ボツクスの横断面
略図、第２図はトナー搬送ボツクスの部分縦断面
略図、第３図は上壁部を省略して示すトナー搬送
ボツクスの平面略図、第４図はトナーホツパーの
斜視説明図、第５図はトナー残量センサの下方で
のトナーの流れを示す説明図、第６図は従来例の
横断面図、第７図は従来例におけるトナー残量セ
ンサの下方でのトナーの流れを示す説明図である
。
１６は現像槽、１８はトナーボツクス（トナー
供給源）、２０はトナー搬送ボツクス、２３・２
４は搬送スクリユー、２５はトナー残量センサ、
２６は仕切り板（仕切り部材）、２７は延長仕切
り部である。
1 to 5 show an embodiment of the present invention, in which FIG. 1 is a schematic cross-sectional view of a toner transport box, FIG. 2 is a partial longitudinal cross-sectional view of the toner transport box, and FIG. 3 is a top view of the toner transport box. FIG. 4 is a perspective view of the toner hopper, FIG. 5 is an explanatory view showing the flow of toner below the remaining toner sensor, and FIG. 6 is a conventional example. FIG. 7 is an explanatory diagram showing the flow of toner below the remaining toner amount sensor in the conventional example. 16 is a developer tank, 18 is a toner box (toner supply source), 20 is a toner transport box, 23.2
4 is a conveyance screw, 25 is a toner remaining amount sensor,
26 is a partition plate (partition member), and 27 is an extension partition.
Claims (1)
れるトナーを、１対の搬送スクリユーによりトナ
ー搬送ボツクス内で現像槽の長手方向に往復搬送
させながらトナー搬送ボツクスから現像槽に供給
するようにするとともに、上記トナー搬送ボツク
ス内の１対の搬送スクリユー間に仕切り部材を設
けたトナーホツパーにおいて、 上記トナー搬送ボツクスにおける両搬送スクリ
ユー間でのトナーの移動部位の上方に設けられ、
トナーの接触に基づいてトナー搬送ボツクス内の
トナーの残量を検出するトナー残量センサと、上
記仕切り部材に設けられ、トナー残量センサとの
間に所定の上下間隔を隔ててトナー残量センサの
下方に延長される延長仕切り部とを備えているこ
とを特徴とするトナーホツパー。[Scope of Claim for Utility Model Registration] Toner supplied from a toner supply source to a toner transport box is transported back and forth in the longitudinal direction of the developer tank within the toner transport box by a pair of transport screws, and from the toner transport box to the developer tank. In the toner hopper, the toner hopper is provided with a partition member between the pair of conveyance screws in the toner conveyance box, and the toner hopper is provided above a part of the toner conveyance box where the toner moves between the two conveyance screws;
a toner remaining amount sensor that detects the remaining amount of toner in the toner transport box based on toner contact; and a toner remaining amount sensor provided on the partition member with a predetermined vertical interval between the toner remaining amount sensor and the toner remaining amount sensor. A toner hopper comprising: an extension partition extending downwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167223U JPH0171768U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167223U JPH0171768U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171768U true JPH0171768U (en) | 1989-05-15 |
Family
ID=31455323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167223U Pending JPH0171768U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171768U (en) |
-
1987
- 1987-10-30 JP JP1987167223U patent/JPH0171768U/ja active Pending
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