JPS6474566A - Developing device - Google Patents

Developing device

Info

Publication number
JPS6474566A
JPS6474566A JP62231192A JP23119287A JPS6474566A JP S6474566 A JPS6474566 A JP S6474566A JP 62231192 A JP62231192 A JP 62231192A JP 23119287 A JP23119287 A JP 23119287A JP S6474566 A JPS6474566 A JP S6474566A
Authority
JP
Japan
Prior art keywords
developer
developing
lower edge
wall
supply member
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
Application number
JP62231192A
Other languages
Japanese (ja)
Other versions
JP2590930B2 (en
Inventor
Tsutomu Kubo
Kazuo Terao
Takashi Yamamuro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP62231192A priority Critical patent/JP2590930B2/en
Publication of JPS6474566A publication Critical patent/JPS6474566A/en
Application granted granted Critical
Publication of JP2590930B2 publication Critical patent/JP2590930B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE:To smoothly supply the developer by using a material of the same electrification polarity as that of the developer as an inner wall material of a developer storage part and a wall face material of a bottom part of a developing part and setting the lower edge of an opening in the rear of the developing part to the upper part than the uppermost of a developer supply member. CONSTITUTION:When a wall surface of a bottom part 9a of a developing part, an inner wall material of a developer storage part 5 and a developer 4 are set to the same electrification polarity, an accumulation of the developer 4 in a gap between the bottom part 9a and a developer supply member 3, and a coagulation of the developer due to a frictional electrification against the inner wall of a storage part 5 are prevented. Also, the lower edge 8 of a communicating opening 11 of the developing part 9 and the storage part 5 is set to the upper part than the uppermost part 6h of the supply member 3, so that the developer 4 can be carried out easily by a rotation of a developing feeding-out member 6. Moreover, the upper edge 8a of the opening 11 is placed at the supply member 3 side from the lower edge 8 and by providing a blade 7 for making theta=5-45 deg. against the horizontal direction (m), when it is brought closest to the lower edge 8 on the tip of the feeding-out member 6, the developer is supplied more smoothly.
JP62231192A 1987-09-17 1987-09-17 Developing device Expired - Lifetime JP2590930B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62231192A JP2590930B2 (en) 1987-09-17 1987-09-17 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62231192A JP2590930B2 (en) 1987-09-17 1987-09-17 Developing device

Publications (2)

Publication Number Publication Date
JPS6474566A true JPS6474566A (en) 1989-03-20
JP2590930B2 JP2590930B2 (en) 1997-03-19

Family

ID=16919778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62231192A Expired - Lifetime JP2590930B2 (en) 1987-09-17 1987-09-17 Developing device

Country Status (1)

Country Link
JP (1) JP2590930B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02298971A (en) * 1989-05-12 1990-12-11 Canon Inc Developing device
JPH0450979A (en) * 1990-06-15 1992-02-19 Matsushita Electric Ind Co Ltd Developing device
JPH05127524A (en) * 1991-11-06 1993-05-25 Fujitsu Ltd Developing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016156U (en) * 1983-07-13 1985-02-02 株式会社東芝 developing device
JPS62136677A (en) * 1985-12-11 1987-06-19 Canon Inc Image recording device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016156U (en) * 1983-07-13 1985-02-02 株式会社東芝 developing device
JPS62136677A (en) * 1985-12-11 1987-06-19 Canon Inc Image recording device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02298971A (en) * 1989-05-12 1990-12-11 Canon Inc Developing device
JPH0450979A (en) * 1990-06-15 1992-02-19 Matsushita Electric Ind Co Ltd Developing device
JPH05127524A (en) * 1991-11-06 1993-05-25 Fujitsu Ltd Developing device

Also Published As

Publication number Publication date
JP2590930B2 (en) 1997-03-19

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