| 摘要 |
<p>PURPOSE:To prevent a cassette from being operated defectively at the time of mounting and dismounting the cassette, by pressing and regulating the upper end part of a lid which performs an opening and closing operation by turning at the time of mounting the cassette on or dismounting it from a cassette tray. CONSTITUTION:A pressing part 2 having a pressing force which presses the end part of the lid 8 of the cassette 4 being reciprocated on the upper plane part of the cassette 4 by turning, or pressed in a direction to press the end part by an operating source at the time of mounting and dismounting the cassette 4 is provided. It follows that the end part of the lid 8 in the cassette 4 is pressed and regulated by a cassette fixing member 1 according to the movement of the cassette tray 3. Thereby, the cassette 4 can be prevented from being moved in the cassette tray at the time of opening and closing the lid 8. In such a way, it is possible to prevent the cassette from being operated defectively at the time of mounting.</p> |
