| 摘要 |
<p>PURPOSE:To prevent the disconnection of the engagement of a gear by positioning the flange part of one side reel stand and other reel stand to the upper part of a helical gear part for one side and to the under part of the helical gear part for other side and constituting a device so as to regulate the shifting in the shaft direction of a driving gear. CONSTITUTION:For a rewinding action, an arm 10 is rotated to an arrow S2 side by the rotation of an arrow S1 direction of a capstan motor 5, the helical gear part 41 of a supplying reel stand 4 and a driving gear 9 are engaged, the supplying reel stand 4 is rotated and driven and a magnetic tape 11 is rewound. Here, the fast forward and rewinding are executed in a short time as much as possible from a viewpoint of the method to be used and a rewinding reel stand 3 and the driving gear 9 are rotated at high speed. By a winding reel stand 3, a flange part 32 having a taper part 33 is provided at the upper part of a helical gear part 31 and by the supplying reel stand 4, a flange part 42 having a taper part 33 is provided at the upper part of a helical gear part 41. Thus, the deviation of the engagement of the gear due to the thrust force to the driving gear 9 occurring at the time of the rotation and driving can be completely prevented.</p> |
