| 摘要 |
<p>PURPOSE:To prevent a rewinding action from a take-up side reel disk with a simple structure by providing a coupling arm which is turned in the direction approximate to the take-up side reel driving disk, a damping arm containing a damping pad in contact with the outer circumference of the take-up side reel driving disk, and a spring matter which is energized in the press-contact direction to the reel driving disk. CONSTITUTION:In a stop or rewind mode, a pin 17a of a control member 17 is set at a position in no contact with a coupling arm 18. About 10gr-pressing force produced by a spring 21 is applied to a reel driving disk 3 through a pad 19a on a damping arm 19 to secure the appropriate tape tension to prevent the irregular tape winding in a rewind mode. When the loading of tape is started, the member 17 moves. Then the pin 17a turns the arm 18 in the direction where a spring 20 is expanded and displaced. As a result, the pressure of >=150gr-cm or so is applied to the disk 3 by the spring 20 through the pad 19a. Thus the tape is prevented from being drawn out of the disk 3.</p> |
