Title:
現像装置および画像形成装置
Document Type and Number:
Japanese Patent JP4225135
Kind Code:
B2
Abstract:
A developing device has a rotary developer carrier, a rotary developer supply and collection member, a first and second rotary developer stirring members for stirring the developer while conveying and circulating the developer between them in the direction opposite to each other and having the same developer conveyance power, and a third rotary developer stirring member having a zero conveyance power in the rotary axis direction, which are provided in a housing in parallel with each other in this order in the direction to leave a latent image carrier. A toner replenishment inlet is provided at an upper part where the second and third stirring members face each other, and on an upstream side of the second stirring member in the developer conveyance direction, and the second and third stirring members are rotated downwardly at the position where both developer stirring members face each other.
Inventors:
Kunio Shigeta
Hiroshi Akita
Itako
Toru Komatsu
Seiji Yamaguchi
Hiroshi Akita
Itako
Toru Komatsu
Seiji Yamaguchi
Application Number:
JP2003182979A
Publication Date:
February 18, 2009
Filing Date:
June 26, 2003
Export Citation:
Assignee:
Konica Minolta Business Technologies Co., Ltd.
International Classes:
G03G9/10; G03G21/10; G03G15/08
Domestic Patent References:
| JP5040407A | ||||
| JP5127519A | ||||
| JP4026872A | ||||
| JP8272131A | ||||
| JP11174807A | ||||
| JP10069155A | ||||
| JP62047073A | ||||
| JP2002182474A | ||||
| JP2002278273A | ||||
| JP2003098772A |
Attorney, Agent or Firm:
Masahiko Oi