JPS61164005U - - Google Patents

Info

Publication number
JPS61164005U
JPS61164005U JP4674985U JP4674985U JPS61164005U JP S61164005 U JPS61164005 U JP S61164005U JP 4674985 U JP4674985 U JP 4674985U JP 4674985 U JP4674985 U JP 4674985U JP S61164005 U JPS61164005 U JP S61164005U
Authority
JP
Japan
Prior art keywords
magnet
roll
magnet roll
developer
attracted
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
JP4674985U
Other languages
Japanese (ja)
Other versions
JPH0644082Y2 (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 JP1985046749U priority Critical patent/JPH0644082Y2/en
Publication of JPS61164005U publication Critical patent/JPS61164005U/ja
Application granted granted Critical
Publication of JPH0644082Y2 publication Critical patent/JPH0644082Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)

Description

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

第１図は、本考案のマグネツトロールの縦断正
面図、第２図は、磁石の軸方向の長さに対する本
考案と従来例の磁気吸引力の変化を示す図、第３
図は、従来例の現像時と現像しない時の磁石の軸
方向の長さに対する現像剤層の厚さの変化を示す
図、第４図は、従来のマグネツトロールの縦断正
面図である。 １……スリーブ、４……磁石、３……軸、７，
７ａ……軸受。 Fig. 1 is a longitudinal sectional front view of the magnet roll of the present invention, Fig. 2 is a diagram showing the change in magnetic attraction force of the present invention and the conventional example with respect to the axial length of the magnet, and Fig. 3
The figure shows the change in the thickness of the developer layer with respect to the axial length of the magnet during development and non-development in the conventional example, and FIG. 4 is a longitudinal sectional front view of the conventional magnet roll. 1...Sleeve, 4...Magnet, 3...Shaft, 7,
7a...Bearing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数個の磁極を有する磁石を回転自在に非磁性
スリーブの内部に組込み、両者の相対的回転によ
り現像剤を吸着搬送するマグネツトロールにおい
て、前記磁石の少なくとも一方の端面に幅３mm以
上２０mmまでのテーパ部を形成したことを特徴と
するマグネツトロール。 In a magnet roll in which a magnet having a plurality of magnetic poles is rotatably incorporated inside a non-magnetic sleeve and the developer is attracted and conveyed by the relative rotation of the two, a magnet having a width of 3 mm or more and up to 20 mm is attached to at least one end surface of the magnet. A magnet roll characterized by forming a tapered part.
JP1985046749U 1985-04-01 1985-04-01 Magnet roll Expired - Lifetime JPH0644082Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985046749U JPH0644082Y2 (en) 1985-04-01 1985-04-01 Magnet roll

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985046749U JPH0644082Y2 (en) 1985-04-01 1985-04-01 Magnet roll

Publications (2)

Publication Number Publication Date
JPS61164005U true JPS61164005U (en) 1986-10-11
JPH0644082Y2 JPH0644082Y2 (en) 1994-11-14

Family

ID=30561437

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985046749U Expired - Lifetime JPH0644082Y2 (en) 1985-04-01 1985-04-01 Magnet roll

Country Status (1)

Country Link
JP (1) JPH0644082Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344407U (en) * 1986-09-08 1988-03-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177932U (en) * 1978-06-03 1979-12-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177932U (en) * 1978-06-03 1979-12-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6344407U (en) * 1986-09-08 1988-03-25

Also Published As

Publication number Publication date
JPH0644082Y2 (en) 1994-11-14

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