| 摘要 |
<p>PURPOSE:To prevent the wrong insertion of a cassette and to correctly position the cassette to a deice main body as well by providing a vertically movable cassette wrong insertion preventing member along a cassette holder side face. CONSTITUTION:A cassette cover locking release member 16 serving as well a vertically movable cassette wrong insertion preventing member is provided along the cassette holder side face. A release member 16 is composed of a projection part 16a provided at a position corresponding to the notching part of the cassette and a cassette position regulating member 16b and the cassette is inserted between the both thereof. When the cassette is wrongly inserted, a cassette tip is abutted to the projection part 16a and the insertion is prevented. Since, also, the gap between the projection part 16a and regulating member 16b is smaller than the thickness of the cassette, a forcible insertion is impos sible. On the other hand, the prevention member has the degree of freedom in an arrow mark 20 direction, so the cassette can correctly be fitted.</p> |
