JPS6428515U - - Google Patents
Info
- Publication number
- JPS6428515U JPS6428515U JP12249287U JP12249287U JPS6428515U JP S6428515 U JPS6428515 U JP S6428515U JP 12249287 U JP12249287 U JP 12249287U JP 12249287 U JP12249287 U JP 12249287U JP S6428515 U JPS6428515 U JP S6428515U
- Authority
- JP
- Japan
- Prior art keywords
- head
- rotating shaft
- rotating
- fitted
- fixed
- 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
- 230000036316 preload Effects 0.000 description 2
Description
第１図は本考案の回転ヘツドの一実施例を示す
断面図、第２図は従来の回転ヘツドの一例を示す
断面図、第３図Ａ，Ｂは回転ヘツドにおけるベア
リングの拡大断面図で、第３図Ａはベアリングに
予圧をかける前の状態、第３図Ｂは予圧をかけた
後の状態を示す。
１…回転シヤフト、２…ストツパ、３…ヘツド
回転用モータ、４…ベアリング、４ａ…内輪、４
ｂ…外輪、５…下ドラム、６…デイスク、７…上
ドラム、８…ヘツド本体、９ａ，９ｂ…トランス
。
FIG. 1 is a sectional view showing an embodiment of the rotating head of the present invention, FIG. 2 is a sectional view showing an example of a conventional rotating head, and FIGS. 3A and 3B are enlarged sectional views of bearings in the rotating head. FIG. 3A shows the state before applying preload to the bearing, and FIG. 3B shows the state after applying preload. 1... Rotating shaft, 2... Stopper, 3... Head rotation motor, 4... Bearing, 4a... Inner ring, 4
b...Outer ring, 5...Lower drum, 6...Disk, 7...Upper drum, 8...Head body, 9a, 9b...Transformer.
Claims (1)
ト。 ｂ 回転ヘツドを装着する機器に固定されたステ
ータと、前記回転シヤフトに固定されたロータと
を備えたヘツド回転用モータ。 ｃ 回転シヤフトに嵌合されたデイスク。 ｄ デイスクに固定され且つヘツド本体を備えた
上ドラム。 ｅ ヘツド回転用モータのステータと一体化され
た下ドラム。 ｆ 内輪が回転シヤフト外周に嵌合され、外輪が
下ドラム内周に嵌合されたベアリング。 ｇ ベアリングの内輪と外輪に軸方向の荷重を加
える調整ねじと、この調整ねじの荷重を受けるス
トツパ。 以上の構成要件を備えていることを特徴とする
回転ヘツド。[Scope of Claim for Utility Model Registration] a. A rotating shaft disposed at the center of a rotating head. b. A motor for rotating a head, comprising a stator fixed to a device to which the rotating head is mounted, and a rotor fixed to the rotating shaft. c Disc fitted to rotating shaft. d. An upper drum fixed to the disk and equipped with a head body. e Lower drum integrated with the stator of the head rotation motor. f A bearing whose inner ring is fitted to the outer periphery of the rotating shaft and whose outer ring is fitted to the inner periphery of the lower drum. g An adjustment screw that applies an axial load to the inner and outer rings of the bearing, and a stopper that receives the load of this adjustment screw. A rotary head characterized by having the above configuration requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12249287U JPS6428515U (en) | 1987-08-12 | 1987-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12249287U JPS6428515U (en) | 1987-08-12 | 1987-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6428515U true JPS6428515U (en) | 1989-02-20 |
Family
ID=31370477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12249287U Pending JPS6428515U (en) | 1987-08-12 | 1987-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6428515U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53129008A (en) * | 1977-04-18 | 1978-11-10 | Hitachi Ltd | Rotary magnetic head device |
-
1987
- 1987-08-12 JP JP12249287U patent/JPS6428515U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53129008A (en) * | 1977-04-18 | 1978-11-10 | Hitachi Ltd | Rotary magnetic head device |