JPH047311U - - Google Patents
Info
- Publication number
- JPH047311U JPH047311U JP4822690U JP4822690U JPH047311U JP H047311 U JPH047311 U JP H047311U JP 4822690 U JP4822690 U JP 4822690U JP 4822690 U JP4822690 U JP 4822690U JP H047311 U JPH047311 U JP H047311U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- metal holder
- disk according
- circumferential surface
- outer circumferential
- 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
- 239000002184 metal Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第1図および第2図は本考案による磁気デイス
クを示し、第1図は全体概略斜視図、第2図は金
属ホルダーの概略斜視図、第3図および第4図は
従来の磁気デイスクを示し、第3図は全体概略斜
視図、第4図は金属ホルダーの概略斜視図である
。
1,11……磁気デイスク、2,12……金属
ホルダー、3,13……プラスチツクマグネツト
、4,14……孔、5……凹部、6……プラスチ
ツクマグネツトの一部、7……凸部。
1 and 2 show a magnetic disk according to the present invention, FIG. 1 is a general perspective view, FIG. 2 is a schematic perspective view of a metal holder, and FIGS. 3 and 4 are conventional magnetic disks. , FIG. 3 is a schematic perspective view of the entire structure, and FIG. 4 is a schematic perspective view of the metal holder. 1, 11... Magnetic disk, 2, 12... Metal holder, 3, 13... Plastic magnet, 4, 14... Hole, 5... Recess, 6... Part of plastic magnet, 7... Convex part.
Claims (1)
られた円板状の金属ホルダーと、該金属ホルダー
の外周面に成形されるとともに、外周面がN極と
S極とに交互に着磁されているプラスチツクマグ
ネツトとからなる磁気デイスクにおいて、前記金
属ホルダーの外周面に凹凸部を形成し、この外周
面の外側にプラスチツクマグネツトを成形して一
体に連結したことを特徴とする磁気デイスク。 (2) 前記金属ホルダーは、その外周面に軸線方
向を向く複数の凹部が所定の間隔で形成され、こ
れにより凹凸部が形成されている請求項1記載の
磁気デイスク。 (3) 前記金属ホルダーの凹部は、内方の方が大
きく形成されている請求項2記載の磁気デイスク
。 (4) 前記金属ホルダーは、その外周面に複数の
凸部が所定の間隔で形成され、これにより凹凸部
が形成されている請求項1記載の磁気デイスク。 (5) 前記金属ホルダーの凸部は、先方の方が大
きく形成されている請求項4記載の磁気デイスク
。[Claims for Utility Model Registration] (1) A disk-shaped metal holder with a hole in the center into which a rotating shaft is inserted and fixed; In a magnetic disk consisting of a plastic magnet that is alternately magnetized to poles and south poles, an uneven portion is formed on the outer circumferential surface of the metal holder, and a plastic magnet is molded on the outside of this outer circumferential surface to form an integral part. A magnetic disk characterized by being connected to. (2) The magnetic disk according to claim 1, wherein the metal holder has a plurality of recesses oriented in the axial direction formed at predetermined intervals on its outer circumferential surface, thereby forming uneven portions. (3) The magnetic disk according to claim 2, wherein the recessed portion of the metal holder is formed larger inwardly. (4) The magnetic disk according to claim 1, wherein the metal holder has a plurality of convex portions formed at predetermined intervals on its outer peripheral surface, thereby forming an uneven portion. (5) The magnetic disk according to claim 4, wherein the convex portion of the metal holder is formed larger on the front side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4822690U JPH047311U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4822690U JPH047311U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH047311U true JPH047311U (en) | 1992-01-23 |
Family
ID=31564846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4822690U Pending JPH047311U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH047311U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019158408A (en) * | 2018-03-08 | 2019-09-19 | Tdk株式会社 | Magnet structure, rotation angle detector, and electric power steering device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5751337U (en) * | 1980-09-08 | 1982-03-24 | ||
JPS62235523A (en) * | 1986-03-19 | 1987-10-15 | Honda Motor Co Ltd | Manufacture of rotational angle sensor |
-
1990
- 1990-05-09 JP JP4822690U patent/JPH047311U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5751337U (en) * | 1980-09-08 | 1982-03-24 | ||
JPS62235523A (en) * | 1986-03-19 | 1987-10-15 | Honda Motor Co Ltd | Manufacture of rotational angle sensor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019158408A (en) * | 2018-03-08 | 2019-09-19 | Tdk株式会社 | Magnet structure, rotation angle detector, and electric power steering device |