JPH0230136U - - Google Patents
Info
- Publication number
- JPH0230136U JPH0230136U JP10717588U JP10717588U JPH0230136U JP H0230136 U JPH0230136 U JP H0230136U JP 10717588 U JP10717588 U JP 10717588U JP 10717588 U JP10717588 U JP 10717588U JP H0230136 U JPH0230136 U JP H0230136U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- fixed
- tension arm
- magnetic tape
- tension
- 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 3
- 230000036316 preload Effects 0.000 description 1
Description
第1図は実施例のバツクテンシヨン機構を示す
図、第2図は従来のバツクテンシヨン機構を示す
図、第3図は各状態におけるテンシヨンアームの
回動位置を示す図である。
1……テンシヨンアーム、3……バツクテンシ
ヨンポスト、4……ブレーキバンド、5……供給
リール台(リール台)、6……発条、11……磁
気テープ、21……予圧アーム(制御手段)、2
3……プランジヤー(制御手段)。
FIG. 1 is a diagram showing the back tension mechanism of the embodiment, FIG. 2 is a diagram showing the conventional back tension mechanism, and FIG. 3 is a diagram showing the rotational position of the tension arm in each state. 1... Tension arm, 3... Back tension post, 4... Brake band, 5... Supply reel stand (reel stand), 6... Spring, 11... Magnetic tape, 21... Preload arm (control means), 2
3... Plunger (control means).
Claims (1)
テープと当接するバツクテンシヨンポストを植設
されるテンシヨンアームと、一端を前記基台に、
他端を前記テンシヨンアームに固定され、リール
台の周面に所定角度巻回されるブレーキバンドと
、前記テンシヨンアームに一端を固定され、前記
ブレーキバンドを制動方向に付勢する発条と、前
記発条の他端に固定され、前記磁気テープの走行
モードに応じて、前記発条の他端の位置を2位置
に変位せしめる制御手段とを備えることを特徴と
するバツクテンシヨン機構。 a tension arm rotatably supported at one end on a base and having a back tension post in contact with the magnetic tape planted on the other end; and one end on the base;
a brake band whose other end is fixed to the tension arm and wound around the circumferential surface of the reel stand at a predetermined angle; a spring whose one end is fixed to the tension arm and biases the brake band in the braking direction; A back tension mechanism, comprising: a control means fixed to the other end of the spring for displacing the other end of the spring between two positions depending on a running mode of the magnetic tape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10717588U JPH0230136U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10717588U JPH0230136U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0230136U true JPH0230136U (en) | 1990-02-26 |
Family
ID=31341351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10717588U Pending JPH0230136U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0230136U (en) |
-
1988
- 1988-08-12 JP JP10717588U patent/JPH0230136U/ja active Pending