| 摘要 |
PROBLEM TO BE SOLVED: To make the back label visible even after loading a cassette, to prevent entering of external light, to stabilize performance of equipment, and to obtain a good shape as design. SOLUTION: A taper part 24 for visibility of the back label of a cassette in a cassette loading state is provided at a cassette guide part 20a of a cassette inserting opening 37, a first cassette door 50 is mounted to the cassette inserting opening 37 so as to be rotatable, and a transparent part 50a of a cassette back label 11 is provided through the taper part 24. A second cassette door 51 is provided after the first cassette door 50 so as to be rotatable. The second cassette door 51 is engaged with the rotative first cassette door 50 and opened, and a indication mark 51a based on a case is provided on the surface. Therefore, the cassette back label 11 can be seen through the transparent 50a without pressing and opening the first cassette door 50 after loading of a cassette, external light is cut off by the second cassette door, performance of an equipment is stabilized, and the indication mark 5a can be seen through the transparent 50a independently of loading a cassette.
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