JPH01178219U - - Google Patents
Info
- Publication number
- JPH01178219U JPH01178219U JP7515388U JP7515388U JPH01178219U JP H01178219 U JPH01178219 U JP H01178219U JP 7515388 U JP7515388 U JP 7515388U JP 7515388 U JP7515388 U JP 7515388U JP H01178219 U JPH01178219 U JP H01178219U
- Authority
- JP
- Japan
- Prior art keywords
- outer race
- shaft
- ball
- disk devices
- transfer surface
- 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
Landscapes
- Rotational Drive Of Disk (AREA)
Description
第１図本考案の第１実施例の縦断面図、第２図
は本考案の第２実施例、第３図は従来例を示す。
Ａ……プーリー軸受、１……シヤフト、１ａ…
…Ｒ部、２……アウターレース、２ａ……テーパ
面、３……ボール、４……ボールストツパー。
FIG. 1 is a vertical sectional view of a first embodiment of the present invention, FIG. 2 is a second embodiment of the present invention, and FIG. 3 is a conventional example. A...Pulley bearing, 1...Shaft, 1a...
... R section, 2 ... Outer race, 2a ... Tapered surface, 3 ... Ball, 4 ... Ball stopper.
Claims (1)
状のＲ部１ａが外周部の一部に形成されたシヤフ
ト１と、このシヤフト１の外周に配設され、かつ
前記Ｒ部１ａと対応するボール転送面としてのテ
ーパ面２ａまたはＲ面２ａ′が形成された回転自
在なアウターレース２と、このアウターレース２
と前記シヤフト１との間に設けられる適数個のボ
ール３と、前記アウターレース２の上方開口部に
設けられ、かつ上下面が平滑面となつている平板
リング状のボールストツパー４とを備えて成るフ
ロツピーデイスク装置、コンパクトデイスク装置
類に用いられるプーリー軸受。 A shaft 1 in which a semicircular and concave R portion 1a functioning as a ball transfer surface is formed in a part of the outer periphery, and a ball disposed on the outer periphery of the shaft 1 and corresponding to the R portion 1a. A rotatable outer race 2 on which a tapered surface 2a or R surface 2a' is formed as a transfer surface, and this outer race 2.
an appropriate number of balls 3 provided between the outer race 2 and the shaft 1; and a flat ring-shaped ball stopper 4 provided at the upper opening of the outer race 2 and having smooth upper and lower surfaces. Pulley bearings used in floppy disk devices and compact disk devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7515388U JPH01178219U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7515388U JPH01178219U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01178219U true JPH01178219U (en) | 1989-12-20 |
Family
ID=31300225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7515388U Pending JPH01178219U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01178219U (en) |
-
1988
- 1988-06-06 JP JP7515388U patent/JPH01178219U/ja active Pending
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