JPH0190166U - - Google Patents
Info
- Publication number
- JPH0190166U JPH0190166U JP18662587U JP18662587U JPH0190166U JP H0190166 U JPH0190166 U JP H0190166U JP 18662587 U JP18662587 U JP 18662587U JP 18662587 U JP18662587 U JP 18662587U JP H0190166 U JPH0190166 U JP H0190166U
- Authority
- JP
- Japan
- Prior art keywords
- center core
- magnetic material
- shaft portion
- shaft
- yoke
- 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
Description
第１図は本考案の磁気デイスクカートリツジの
一実施例を示す平面図、第２図は本考案の磁気デ
イスクカートリツジのセンターコア部分を示す分
解斜視図、第３図は本考案のセンターコア本体を
示す斜視図、第４図は本考案のセンターコア本体
を示す平面図、第５図および第６図はそれぞれ従
来の磁気デイスクカートリツジのセンターコア部
分を示す斜視図および縦断面図である。
図中、１は磁気デイスクカートリツジ、２はデ
イスクケース、５は磁気デイスク、６はセンター
コア本体、６１は軸部、６２はフランジ部、６３
はヨーク、７は上コアである。
FIG. 1 is a plan view showing an embodiment of the magnetic disk cartridge of the present invention, FIG. 2 is an exploded perspective view showing the center core portion of the magnetic disk cartridge of the present invention, and FIG. 3 is a center core of the present invention. FIG. 4 is a plan view showing the center core main body of the present invention, and FIGS. 5 and 6 are a perspective view and a vertical cross-sectional view, respectively, showing the center core portion of a conventional magnetic disk cartridge. . In the figure, 1 is a magnetic disk cartridge, 2 is a disk case, 5 is a magnetic disk, 6 is a center core body, 61 is a shaft portion, 62 is a flange portion, 63
is the yoke, and 7 is the upper core.
Claims (1)
転位相を検出するためのヨークとからなるセンタ
ーコアのフランジ部に固着した磁気デイスクを、
デイスクケース内に回転可能に収容してなる磁気
デイスクカートリツジにおいて、センターコアの
軸部に、駆動軸を軸部内面に押圧する弾性体を形
成し、センターコアのフランジ部およびヨークと
を磁性体が混入されたプラスチツクにより一体に
成形すると共に、センターコアの軸部の少くとも
弾性体を磁性体が混入されていないプラスチツク
で二色射出成形によりセンターコアを一体に成形
したことを特徴とする磁気デイスクカートリツジ
。 A magnetic disk is fixed to the flange part of the center core, which consists of a shaft part into which the drive shaft is inserted, a flange part, and a yoke to detect the rotational phase.
In a magnetic disk cartridge rotatably housed in a disk case, an elastic body is formed on the shaft portion of the center core to press the drive shaft against the inner surface of the shaft portion, and a flange portion and a yoke of the center core are formed with a magnetic material. magnetic material, characterized in that the center core is integrally molded from plastic mixed with magnetic material, and at least the elastic body of the shaft portion of the center core is integrally molded from plastic mixed with no magnetic material by two-color injection molding. disk cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18662587U JPH0190166U (en) | 1987-12-08 | 1987-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18662587U JPH0190166U (en) | 1987-12-08 | 1987-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190166U true JPH0190166U (en) | 1989-06-14 |
Family
ID=31477841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18662587U Pending JPH0190166U (en) | 1987-12-08 | 1987-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190166U (en) |
-
1987
- 1987-12-08 JP JP18662587U patent/JPH0190166U/ja active Pending