| 摘要 |
<p>A reel lock mechanism of tape cassette, wherein, when a slider (14) is moved backward, a rear piece (25) comes into contact with the inner surface of a rear wall (10) of a cassette shell (4) and rotated in such a direction that a lock pieces releases a locking since the lock piece (15) comprises the rear piece (25) extending in the direction opposite to a front piece (23) having a locking claw (24), the bottom surface (109) of a recessed part in an engagement tooth (107) is formed in a chevron shape having a projected center part and the corner parts of a projected part are formed in tapered surface parts (110') and (110''), and a flat surface in contact with one slope (109') of the chevron shape of the recessed part and one tapered surface part (110') of the projected part adjacent to the rear side of the recessed part is formed on the locking claw of the lock piece.</p> |
