JPH0175333U - - Google Patents
Info
- Publication number
- JPH0175333U JPH0175333U JP1987167890U JP16789087U JPH0175333U JP H0175333 U JPH0175333 U JP H0175333U JP 1987167890 U JP1987167890 U JP 1987167890U JP 16789087 U JP16789087 U JP 16789087U JP H0175333 U JPH0175333 U JP H0175333U
- Authority
- JP
- Japan
- Prior art keywords
- tension arm
- tension
- attached
- substrate
- reel stand
- 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
- 239000000758 substrate Substances 0.000 claims 3
Description
第１図は本考案のテンシヨンサーボ機構の一実
施例を示す平面図であり、第２図は従来のテンシ
ヨンサーボ機構の一例を示す平面図である。
１…テンシヨンアーム、２…支点軸、３…磁気
テープ、４…ポスト、５…バンドブレーキ、６…
基端、７…供給側リール台、８…先端、１１…テ
ンシヨンスプリング、１５…制御スプリング、１
６…一端、１７…他端。
FIG. 1 is a plan view showing an embodiment of the tension servo mechanism of the present invention, and FIG. 2 is a plan view showing an example of a conventional tension servo mechanism. 1... Tension arm, 2... Fulcrum shaft, 3... Magnetic tape, 4... Post, 5... Band brake, 6...
Base end, 7... Supply side reel stand, 8... Tip, 11... Tension spring, 15... Control spring, 1
6...one end, 17...other end.
Claims (1)
たテンシヨンアームと、基端が基板に取り付けら
れ中途が供給側リール台に巻き付けられて先端が
前記テンシヨンアームに取り付けられ前記軸を中
心として揺動する前記テンシヨンアームの位置に
応じて前記供給側リール台を締め付け前記供給側
リール台の回転に制動をかけるバンドブレーキと
、前記テンシヨンアームに設けられたポストに案
内される磁気テープのテンシヨンにより前記テン
シヨンアームに生ずる所定の方向のモーメントと
反対の方向に前記テンシヨンアームにモーメント
をかけ前記テンシヨンアームを基準位置にて釣り
合わせるテンシヨンスプリングと、一端が前記テ
ンシヨンアームに取り付けられ他端が前記テンシ
ヨンアームの記録再生時の位置において前記一端
と前記軸とを結ぶ直線の前記軸方向への延長線上
で基板に取り付けられ前記一端を前記他端に向け
て引張る制御スプリングとを具備したことを特徴
とするテンシヨンサーボ機構。 A tension arm is attached to the substrate so as to be rotatable about an axis, and the base end is attached to the substrate, the middle part is wound around the supply reel stand, the tip is attached to the tension arm, and the tension arm is swingable about the axis. a band brake that tightens the supply side reel stand according to the position of the moving tension arm and brakes the rotation of the supply side reel stand; and a magnetic tape tension guided by a post provided on the tension arm. a tension spring that applies a moment to the tension arm in a direction opposite to a moment in a predetermined direction generated in the tension arm and balances the tension arm at a reference position; a control spring whose other end is attached to the substrate on an extension line in the axial direction of a straight line connecting the one end and the shaft at the position of the tension arm during recording and reproduction, and which pulls the one end toward the other end; A tension servo mechanism is featured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167890U JPH0175333U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167890U JPH0175333U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175333U true JPH0175333U (en) | 1989-05-22 |
Family
ID=31456589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167890U Pending JPH0175333U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175333U (en) |
-
1987
- 1987-11-04 JP JP1987167890U patent/JPH0175333U/ja active Pending
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