JPS61140452U - - Google Patents
Info
- Publication number
- JPS61140452U JPS61140452U JP2290185U JP2290185U JPS61140452U JP S61140452 U JPS61140452 U JP S61140452U JP 2290185 U JP2290185 U JP 2290185U JP 2290185 U JP2290185 U JP 2290185U JP S61140452 U JPS61140452 U JP S61140452U
- Authority
- JP
- Japan
- Prior art keywords
- guide drum
- drum
- tape
- magnetic tape
- guide
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案になるガイドドラムの一実施例
を示す平面図、第２図Ａ，Ｂは一般的なガイドド
ラムとこれに巻装された磁気テープの走行状態を
示す説明図、第３図はガイドドラムの周面を浮上
している磁気テープの状態を示す一部拡大断面図
、第４図は回転ドラム上の磁気テープのテープ浮
上量を示す図である。
２……回転ドラム、３……固定ドラム、３ａ…
…磁気テープ案内部、３ｂ……テープ摺接面、３
ｃ……傾斜面、８……ガイドドラム、Ｔ……磁気
テープ。
FIG. 1 is a plan view showing one embodiment of the guide drum according to the present invention, FIGS. 2A and 2B are explanatory diagrams showing a general guide drum and the running state of the magnetic tape wound around it, and FIG. The figure is a partially enlarged sectional view showing the state of the magnetic tape floating on the circumferential surface of the guide drum, and FIG. 4 is a diagram showing the tape flying height of the magnetic tape on the rotating drum. 2... Rotating drum, 3... Fixed drum, 3a...
...Magnetic tape guide section, 3b...Tape sliding contact surface, 3
c... Inclined surface, 8... Guide drum, T... Magnetic tape.
Claims (1)
間隔を保つて回転自在に支持される回転ドラムを
備え、外周面で磁気テープを案内するガイドドラ
ムにおいて、前記回転ドラムと固定ドラムとの間
隔を磁気テープ摺接面の入口部分から出口部分に
かけて順次狭くなるように形成したことを特徴と
するガイドドラム。 A guide drum is provided with a magnetic head and is rotatably supported on a fixed drum at a predetermined distance, and the guide drum guides a magnetic tape on its outer circumferential surface. A guide drum characterized in that the tape sliding contact surface is formed so as to become gradually narrower from the entrance portion to the exit portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290185U JPS61140452U (en) | 1985-02-20 | 1985-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2290185U JPS61140452U (en) | 1985-02-20 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140452U true JPS61140452U (en) | 1986-08-30 |
Family
ID=30515635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2290185U Pending JPS61140452U (en) | 1985-02-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140452U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02218047A (en) * | 1989-02-17 | 1990-08-30 | Sony Corp | Head drum |
| JPH0620348A (en) * | 1993-05-26 | 1994-01-28 | Hitachi Ltd | Rotary head device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59160855A (en) * | 1983-03-02 | 1984-09-11 | Mitsubishi Electric Corp | Fixed cylinder for video tape recorder |
-
1985
- 1985-02-20 JP JP2290185U patent/JPS61140452U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59160855A (en) * | 1983-03-02 | 1984-09-11 | Mitsubishi Electric Corp | Fixed cylinder for video tape recorder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02218047A (en) * | 1989-02-17 | 1990-08-30 | Sony Corp | Head drum |
| JPH0620348A (en) * | 1993-05-26 | 1994-01-28 | Hitachi Ltd | Rotary head device |