JPS6352112U - - Google Patents
Info
- Publication number
- JPS6352112U JPS6352112U JP14496986U JP14496986U JPS6352112U JP S6352112 U JPS6352112 U JP S6352112U JP 14496986 U JP14496986 U JP 14496986U JP 14496986 U JP14496986 U JP 14496986U JP S6352112 U JPS6352112 U JP S6352112U
- Authority
- JP
- Japan
- Prior art keywords
- rotating
- rotating member
- blades
- drum device
- tape recorder
- 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
- 210000003746 feather Anatomy 0.000 description 1
Description
第１図は本考案に係る回転ドラム装置の実施例
を示す一部破断正面図、第２図は羽根を具えた空
気抵抗体の分解斜面図、第３図は本考案と従来例
のねじり振動系を比較する図、第４図は羽根の回
転によつて生じる損失トルクの変化を示すグラフ
、第５図は共振点付近に於ける振幅を粘性抵抗係
数の大小によつて比較した図である。
１……回転シリンダー、１１……磁気ヘツド、
２……静止シリンダー、３……シヤフト、７……
空気抵抗体、７１……羽根。
Fig. 1 is a partially cutaway front view showing an embodiment of a rotating drum device according to the present invention, Fig. 2 is an exploded slope view of an air resistance element equipped with blades, and Fig. 3 is a torsional vibration of the present invention and a conventional example. Figure 4 is a diagram comparing the systems. Figure 4 is a graph showing the change in loss torque caused by the rotation of the blade. Figure 5 is a diagram comparing the amplitude near the resonance point depending on the magnitude of the viscous drag coefficient. . 1... Rotating cylinder, 11... Magnetic head,
2... Stationary cylinder, 3... Shaft, 7...
Air resistance element, 71... feather.
Claims (1)
回転部材を軸支してなるテープレコーダの回転ド
ラム装置に於いて、回転部材には、回転軸を中心
として放射状に伸びる複数枚の羽根７１を突設し
、回転部材の回転に伴つて羽根７１が受ける空気
抵抗により、ねじり振動を抑制したことを特徴と
するテープレコーダの回転ドラム装置。 In a rotating drum device for a tape recorder in which a rotating member including a magnetic head 11 is pivotally supported on a cylindrical stationary member, the rotating member has a plurality of blades 71 extending radially around the rotating shaft. A rotary drum device for a tape recorder, characterized in that torsional vibrations are suppressed by the air resistance that the blades 71 receive as the rotating member rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14496986U JPS6352112U (en) | 1986-09-19 | 1986-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14496986U JPS6352112U (en) | 1986-09-19 | 1986-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6352112U true JPS6352112U (en) | 1988-04-08 |
Family
ID=31056072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14496986U Pending JPS6352112U (en) | 1986-09-19 | 1986-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6352112U (en) |
-
1986
- 1986-09-19 JP JP14496986U patent/JPS6352112U/ja active Pending
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