JPH0171769U - - Google Patents
Info
- Publication number
- JPH0171769U JPH0171769U JP1987166525U JP16652587U JPH0171769U JP H0171769 U JPH0171769 U JP H0171769U JP 1987166525 U JP1987166525 U JP 1987166525U JP 16652587 U JP16652587 U JP 16652587U JP H0171769 U JPH0171769 U JP H0171769U
- Authority
- JP
- Japan
- Prior art keywords
- remaining amount
- amount detecting
- developer
- detecting means
- developer remaining
- 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
- 230000002776 aggregation Effects 0.000 claims description 7
- 238000004220 aggregation Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 238000005054 agglomeration Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 4
- 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現像装置の
断面図、第２図はその凝集防止手段を示す現像ケ
ースの内面部分拡大図、第３図はその現像装置を
有するレーザープリンタの全体概略構成図である
。第４図は従来の現像装置の断面図、第５図はそ
の凝集防止手段を示す現像ケースの内面部分拡大
図である。
Ｃ…回転撹拌手段、Ｄ…現像剤残量検出手段、
１４…現像装置、３２…現像ケース、３８…凝集
防止部材。
Fig. 1 is a sectional view of a developing device that is an embodiment of this invention, Fig. 2 is an enlarged partial view of the inner surface of the developing case showing its agglomeration prevention means, and Fig. 3 is an overall schematic diagram of a laser printer equipped with the developing device. FIG. FIG. 4 is a sectional view of a conventional developing device, and FIG. 5 is a partially enlarged view of the inner surface of the developing case showing its aggregation prevention means. C...Rotating stirring means, D...Remaining developer amount detection means,
14...Developing device, 32...Developing case, 38...Aggregation prevention member.
Claims (1)
検出型の現像剤残量検出手段とを有する現像装置
において、前記現像剤残量検出手段と直接接触し
て現像剤の凝集防止部材を配置し、その一部を前
記回転撹拌手段の回転領域内までのばし、その回
転撹拌手段の作動とともに、その回転撹拌手段を
前記凝集防止部材の一部と係合することとその係
合を解除することとを繰り返し、そのたびにその
凝集防止部材を前記現像剤残量検出手段に直接衝
突して復帰させるごとく、該凝集防止部材を揺動
自在としてなる、乾式現像装置。 In a developing device having a rotating developer stirring means and a frequency detection type developer remaining amount detecting means in a developing case, a developer aggregation prevention member is disposed in direct contact with the developer remaining amount detecting means. , extending a part of the agitation member into a rotation area of the rotary agitation means, and engaging and disengaging the rotary agitation member with a part of the agglomeration prevention member as the rotary agitation member operates; The dry type developing device is characterized in that the aggregation preventing member is swingable so that the aggregation preventing member directly collides with the developer remaining amount detecting means and returns to its original position each time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166525U JPH0171769U (en) | 1987-10-30 | 1987-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166525U JPH0171769U (en) | 1987-10-30 | 1987-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171769U true JPH0171769U (en) | 1989-05-15 |
Family
ID=31453983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166525U Pending JPH0171769U (en) | 1987-10-30 | 1987-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171769U (en) |
-
1987
- 1987-10-30 JP JP1987166525U patent/JPH0171769U/ja active Pending