JPS62140550U - - Google Patents
Info
- Publication number
- JPS62140550U JPS62140550U JP2587086U JP2587086U JPS62140550U JP S62140550 U JPS62140550 U JP S62140550U JP 2587086 U JP2587086 U JP 2587086U JP 2587086 U JP2587086 U JP 2587086U JP S62140550 U JPS62140550 U JP S62140550U
- Authority
- JP
- Japan
- Prior art keywords
- magnets
- support member
- open tips
- permanent magnet
- rubber magnets
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Description
第１図はこの考案による永久磁石ロールの縦断
説明図、第２図はこの考案による断面Ｙ字型ゴム
磁石の製造工程を示す説明図、第３図と第４図は
従来の永久磁石ロールの縦断説明図である。
１…非磁性体スリーブ、２…磁石構成体、３…
非磁性支持部材、４，６…ゴム磁石、５…回転軸
、７…断面Ｙ字型ゴム磁石、８…ゴム磁石、９…
スリツト。
Fig. 1 is a longitudinal cross-sectional view of a permanent magnet roll according to this invention, Fig. 2 is an explanatory view showing the manufacturing process of a Y-shaped cross-sectional rubber magnet according to this invention, and Figs. 3 and 4 are illustrations of a conventional permanent magnet roll. FIG. DESCRIPTION OF SYMBOLS 1...Nonmagnetic sleeve, 2...Magnet structure, 3...
Non-magnetic support member, 4, 6... Rubber magnet, 5... Rotating shaft, 7... Y-shaped cross section rubber magnet, 8... Rubber magnet, 9...
Slits.
Claims (1)
磁石構成体を、非磁性円筒状スリーブ内に、同軸
にかつ相対的に回転自在に内蔵した静電現像用永
久磁石ロールにおいて、断面Ｙ字型でその開いた
先端部が同極に着磁された複数本の長尺ゴム磁石
を、各々の開き先端部を非磁性支持部材の外周面
に着設し、円周方向に相互に隣接するゴム磁石の
開き先端部が相互に近接または当接配置されたこ
とを特徴とする静電現像用永久磁石ロール。 A permanent magnet roll for electrostatic development in which a magnet structure in which a plurality of rubber magnets are arranged around a non-magnetic support member is coaxially and relatively rotatably built into a non-magnetic cylindrical sleeve, has a Y-shaped cross section. A plurality of long rubber magnets whose open tips are magnetized with the same polarity using a mold are attached to the outer peripheral surface of a non-magnetic support member so that the open tips of the magnets are adjacent to each other in the circumferential direction. A permanent magnet roll for electrostatic development, characterized in that the open tips of rubber magnets are arranged close to or in contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2587086U JPS62140550U (en) | 1986-02-25 | 1986-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2587086U JPS62140550U (en) | 1986-02-25 | 1986-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62140550U true JPS62140550U (en) | 1987-09-04 |
Family
ID=30826422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2587086U Pending JPS62140550U (en) | 1986-02-25 | 1986-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62140550U (en) |
-
1986
- 1986-02-25 JP JP2587086U patent/JPS62140550U/ja active Pending