| 摘要 |
<p>PROBLEM TO BE SOLVED: To open the lid of a small cassette without enlarging a cassette holder. SOLUTION: This device is provided with a cassette holder capable of selectively inserting a standard cassette and a small cassette C2, a torsion coil spring 20 provided in the side face plate 12 of the cassette holder 10 to rotatably support a rotary lever 14 to be rotated along the side face plate 12 and pressing the same to a standby position, a pressed part 14a provided in one end side of the rotary lever to be pressed to a small cassette lid opening member 22 in the moving process of the cassette holder 10, a lid opening lever 19 provided in the other end side of the rotary lever 14, this lid opening lever 19 being provided so as to be freely rotated between a lid engaging position engaged with the lid 15 of the small cassette C2 located in the cassette holder 10 and a retreating position for permitting the insertion of the standard cassette retreated out of the cassette holder 10, and the torsion coil spring 20 being provided to press the lid opening lever 19 to the lid engaging position.</p> |
