JPS59164928U - Recording or playback device - Google Patents
Recording or playback deviceInfo
- Publication number
- JPS59164928U JPS59164928U JP5984683U JP5984683U JPS59164928U JP S59164928 U JPS59164928 U JP S59164928U JP 5984683 U JP5984683 U JP 5984683U JP 5984683 U JP5984683 U JP 5984683U JP S59164928 U JPS59164928 U JP S59164928U
- Authority
- JP
- Japan
- Prior art keywords
- rotating member
- head
- ball bearings
- recording
- playback device
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＶＴＲにおける一般的な回転ヘントドラ
ムの構造を示す図、第２図は第１図に示す回転ヘッドド
ラムのボール軸受に働く力を示す図、第３図は本考案の
一実施例としてのＶＴＲの回転ヘッドドラムの構造を示
す図、第４図は第３図に示す回転ヘッドドラムのボール
軸受に働り力を示す図、第５図は本考案の他の実施例と
してのＶＴＲの回転ヘッドドラムの要部の構成を示す図
、゛−第６図は本考案の更に他の実施例としての装置の
一部を示す図である。
１は回転軸、２はトランス台、３は回転上ドラム、５．
６は夫々ボール軸受、７は固定下ドラム−８は下台座
、１４はヘッド、２５はアブネット、２７はコイル、２
８は磁性材よりなるステータヨーク、３１は固定部材、
３２は回転軸、３３゜３４は夫々ボール軸受、３５は補
助部材、３６は下台座、３７はステータヨーク、３９は
コイル、４１はマグネット、４２は磁気ディスク、４３
はヘッドである。Fig. 1 is a diagram showing the structure of a general rotating head drum in a conventional VTR, Fig. 2 is a diagram showing the force acting on the ball bearing of the rotating head drum shown in Fig. 1, and Fig. 3 is an example of an implementation of the present invention. FIG. 4 is a diagram showing the structure of a rotary head drum of a VTR as an example, FIG. 4 is a diagram showing the force acting on the ball bearing of the rotary head drum shown in FIG. 3, and FIG. FIG. 6 is a diagram illustrating a part of an apparatus as still another embodiment of the present invention. 1 is a rotating shaft, 2 is a transformer stand, 3 is a rotating upper drum, 5.
6 are ball bearings, 7 is a fixed lower drum, 8 is a lower pedestal, 14 is a head, 25 is an abnet, 27 is a coil, 2
8 is a stator yoke made of magnetic material, 31 is a fixing member,
32 is a rotating shaft, 33° and 34 are ball bearings, 35 is an auxiliary member, 36 is a lower pedestal, 37 is a stator yoke, 39 is a coil, 41 is a magnet, 42 is a magnetic disk, 43
is the head.
Claims (1)
めに回転する回転部材と、該回転部材を前記固定部材に
対して回転自在に支持する２つのボール軸受と、前記回
転部材に回転駆動力を与え、かつ発生する回転軸方向の
力が前記２つのボール軸受のうち前記媒体とヘッドとの
作用点から近いボール軸受への予圧を増加させる方向に
働く駆動部材とを具える記録または再生装置。a fixed member, a rotating member that rotates to provide relative speed between the recording medium and the head, two ball bearings that rotatably support the rotating member with respect to the fixed member, and a rotational driving force for the rotating member. and a driving member that acts in a direction in which the generated force in the rotation axis direction increases preload on one of the two ball bearings that is closer to the point of action between the medium and the head. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5984683U JPS59164928U (en) | 1983-04-20 | 1983-04-20 | Recording or playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5984683U JPS59164928U (en) | 1983-04-20 | 1983-04-20 | Recording or playback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59164928U true JPS59164928U (en) | 1984-11-05 |
Family
ID=30190091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5984683U Pending JPS59164928U (en) | 1983-04-20 | 1983-04-20 | Recording or playback device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164928U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736430A (en) * | 1980-08-15 | 1982-02-27 | Hitachi Ltd | Tape travel guiding medium of rotary head drum |
-
1983
- 1983-04-20 JP JP5984683U patent/JPS59164928U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5736430A (en) * | 1980-08-15 | 1982-02-27 | Hitachi Ltd | Tape travel guiding medium of rotary head drum |
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