| 摘要 |
<p>PURPOSE:To regulate the height of a tape and to stabilize operation by automatically and surely selecting only a tape guiding on an upstream side corresponding to the direction of tape sending by using the rotation of a capstan rotated in the direction of prescribed rotation and deciding the direction of the tape sending. CONSTITUTION:Pinch roller arms 3A/3B decided by the forwarding/backwarding direction of the tape sending are rotated and move pinch rollers 5A/5B to the direction of capstans 14A/14B. Change levers 13A/13B are abutted on the rubber washers 15A/15B of the capstans and rotated by the movement, and the levers 15A/15B are moved more by pins and grooves so as to depart from the washers 15A/15B and rotate one of control levers 11A/11B. One of the flanges 9A/9B of tape guidings 7A/7B is always engaged on the upstrean side of the traveling path of the tape 18 by this rotation and regulates the height, and another is set on the downstream side at the position not regulating. Consequently, the operation is stabilized and reliability is improved.</p> |
