JPH0318554U - - Google Patents
Info
- Publication number
- JPH0318554U JPH0318554U JP7926389U JP7926389U JPH0318554U JP H0318554 U JPH0318554 U JP H0318554U JP 7926389 U JP7926389 U JP 7926389U JP 7926389 U JP7926389 U JP 7926389U JP H0318554 U JPH0318554 U JP H0318554U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- toner replenishing
- opening
- replenishing roller
- roller
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の一実施例であるトナー補給
装置を示す要部拡大断面図、第２図はトナー補給
装置及び現像装置を示す断面図、第３図はトナー
ホツパの開口を示す概略図、第４図はトナー補給
装置の変更例を示す断面図、第５図は複写機の内
部構造を示す概略図である。
Ａ……トナー補給装置、１……現像装置本体、
２……トナーホツパ、２０……開口、３……トナ
ー補給ローラ。
FIG. 1 is an enlarged sectional view of the main parts of a toner replenishing device that is an embodiment of the invention, FIG. 2 is a sectional view of the toner replenishing device and the developing device, and FIG. 3 is a schematic diagram showing the opening of a toner hopper. FIG. 4 is a sectional view showing a modified example of the toner replenishing device, and FIG. 5 is a schematic view showing the internal structure of the copying machine. A...Toner supply device, 1...Developing device main body,
2... Toner hopper, 20... Opening, 3... Toner supply roller.
Claims (1)
孔性のトナー補給ローラを設け、当該トナー補給
ローラの回転によつて、補給トナーを開口に引き
込んで現像装置本体内に落下補給するトナー補給
装置において、上記トナー補給ローラが、軸方向
の落下補給量を調整すべく、密度又は空隙率の異
なる複数種のローラで構成されていることを特徴
とするトナー補給装置。 In the toner replenishing device, an elastic porous toner replenishing roller is provided in the opening at the bottom of the toner hopper, and as the toner replenishing roller rotates, replenishing toner is drawn into the opening and dropped into the developing device main body. A toner replenishing device characterized in that the toner replenishing roller is composed of a plurality of types of rollers having different densities or porosity in order to adjust the amount of falling replenishment in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7926389U JPH0725805Y2 (en) | 1989-07-04 | 1989-07-04 | Toner supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7926389U JPH0725805Y2 (en) | 1989-07-04 | 1989-07-04 | Toner supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0318554U true JPH0318554U (en) | 1991-02-22 |
| JPH0725805Y2 JPH0725805Y2 (en) | 1995-06-07 |
Family
ID=31623266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7926389U Expired - Lifetime JPH0725805Y2 (en) | 1989-07-04 | 1989-07-04 | Toner supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0725805Y2 (en) |
-
1989
- 1989-07-04 JP JP7926389U patent/JPH0725805Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0725805Y2 (en) | 1995-06-07 |