| 摘要 |
<p>PURPOSE:To hold a cassette with an optimum load by providing a spring supporting member for giving different pressing force to a spring member for holding the cassette on a slider at the time of inserting the cassette, moving the slider and loading the cassette respectively. CONSTITUTION:The cassette 30 is inserted into a slider 6 until it is inserted into a position to be abutted on the stoppers 7a and 7b of the slider 6. At this time, the tips of bends of pressing levers 27a and 27b have their gaps with pressing springs 11a and 11b respectively, and are pressed against a placing surface of the slider 6 by elastic force of the springs 11a and 11b. When the cassette 30 is further inserted into the inside and shifted to its automatic loading operation, it is moved in contact along the inside surface of frames 2a and 2b. Simultaneously, the springs 11a and 11b are pressed by the bends of the other ends of the pressing levers 27a and 27b against the surface side of the cassette 30. By this method, the pressing force is increased, and the cassette 30 is prevented from slipping out of the slider 6 at the time of moving the slider 6.</p> |
