JPH0329955U - - Google Patents

Info

Publication number
JPH0329955U
JPH0329955U JP8979089U JP8979089U JPH0329955U JP H0329955 U JPH0329955 U JP H0329955U JP 8979089 U JP8979089 U JP 8979089U JP 8979089 U JP8979089 U JP 8979089U JP H0329955 U JPH0329955 U JP H0329955U
Authority
JP
Japan
Prior art keywords
screw
developing device
inlet
developer
diffusion brush
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
JP8979089U
Other languages
Japanese (ja)
Other versions
JP2506225Y2 (en
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 filed Critical
Priority to JP1989089790U priority Critical patent/JP2506225Y2/en
Publication of JPH0329955U publication Critical patent/JPH0329955U/ja
Application granted granted Critical
Publication of JP2506225Y2 publication Critical patent/JP2506225Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案による現像装置の第一実施例の
正面断面図、第２図は同実施例の平面断面図、第
３図は拡散用ブラシとスクリユの関係を示す側面
図、第４図は拡散用ブラシとスクリユの関係の第
二実施例を示す側面図、第５図は従来例の現像剤
の状態を示す側面図である。 ２……現像ローラ、７，８……スクリユ、７ａ
，８ａ……羽根、９……トナーホツパ、９ｂ……
メツシユ部材、１０……隔壁、１６……拡散用ブ
ラシ、Ａ……投入口、Ｇ……現像剤。 Fig. 1 is a front sectional view of a first embodiment of the developing device according to the present invention, Fig. 2 is a plan sectional view of the same embodiment, Fig. 3 is a side view showing the relationship between the diffusion brush and the screw, and Fig. 4. 5 is a side view showing the second embodiment of the relationship between the diffusion brush and the screw, and FIG. 5 is a side view showing the state of the developer in the conventional example. 2...Developing roller, 7, 8...Screw, 7a
, 8a...Blade, 9...Toner hopper, 9b...
Mesh member, 10... partition, 16... diffusion brush, A... inlet, G... developer.

Claims (1)

【実用新案登録請求の範囲】 (1) スクリユによつて、２成分現像剤を現像ロ
ーラに対して撹拌・搬送する現像装置において、
前記現像ローラとスクリユとの間に拡散用ブラシ
を設けたことを特徴とする現像装置。 (2) スクリユによつて、２成分現像剤を現像ロ
ーラに対して撹拌・搬送する現像装置において、
スクリユ側の隔壁に投入口を設け、かつこの投入
口にメツシユ部材を設けたトナー補給のためのト
ナーホツパと、前記投入口近傍に設けた拡散ブラ
シとを備えたことを特徴とする現像装置。 (3) 請求項(2)において、前記拡散ブラシを隔壁
の投入口と対向した位置で、かつスクリユの羽根
の部分と交差し、また先端が現像材に接触するよ
うに設け、前記投入口から投入されたトナーを拡
散ブラシにて受けて現像剤と混合する構成にした
ことを特徴とする現像装置。[Claims for Utility Model Registration] (1) In a developing device in which a two-component developer is stirred and conveyed to a developing roller by a screw,
A developing device characterized in that a diffusion brush is provided between the developing roller and the screw. (2) In a developing device that uses a screw to stir and convey two-component developer to a developing roller,
A developing device comprising: a toner hopper for replenishing toner, which has an inlet in a partition wall on the screw side, a mesh member provided in the inlet, and a diffusion brush provided near the inlet. (3) In claim (2), the diffusion brush is provided at a position opposite to the input port of the partition wall, intersects with the blade part of the screw, and has a tip in contact with the developer material, A developing device characterized in that the toner is received by a diffusion brush and mixed with a developer.
JP1989089790U 1989-08-01 1989-08-01 Development device Expired - Lifetime JP2506225Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989089790U JP2506225Y2 (en) 1989-08-01 1989-08-01 Development device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989089790U JP2506225Y2 (en) 1989-08-01 1989-08-01 Development device

Publications (2)

Publication Number Publication Date
JPH0329955U true JPH0329955U (en) 1991-03-25
JP2506225Y2 JP2506225Y2 (en) 1996-08-07

Family

ID=31639348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989089790U Expired - Lifetime JP2506225Y2 (en) 1989-08-01 1989-08-01 Development device

Country Status (1)

Country Link
JP (1) JP2506225Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001314207A (en) * 2000-03-28 2001-11-13 Illinois Tool Works Inc <Itw> Zipper for re-closable container having opening piercing female shape
JP2006284846A (en) * 2005-03-31 2006-10-19 Ricoh Co Ltd Developing device, image forming apparatus and process cartridge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4711506U (en) * 1971-02-27 1972-10-11
JPS59116955U (en) * 1983-01-26 1984-08-07 富士ゼロックス株式会社 Developer stirring device of developing machine
JPS63146079A (en) * 1986-12-10 1988-06-18 Canon Inc Developing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4711506U (en) * 1971-02-27 1972-10-11
JPS59116955U (en) * 1983-01-26 1984-08-07 富士ゼロックス株式会社 Developer stirring device of developing machine
JPS63146079A (en) * 1986-12-10 1988-06-18 Canon Inc Developing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001314207A (en) * 2000-03-28 2001-11-13 Illinois Tool Works Inc <Itw> Zipper for re-closable container having opening piercing female shape
JP2006284846A (en) * 2005-03-31 2006-10-19 Ricoh Co Ltd Developing device, image forming apparatus and process cartridge
JP4643336B2 (en) * 2005-03-31 2011-03-02 株式会社リコー Developing device, image forming apparatus, and process cartridge

Also Published As

Publication number Publication date
JP2506225Y2 (en) 1996-08-07

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