| 摘要 |
PURPOSE:To exactly prevent an error in the housing direction by forming a cross-sectional shape of a housing space for housing body of a stacker, to an asymmetrical shape corresponding to an external form of the housing body, so that the housing body is housed in a prescribed direction to the stacker. CONSTITUTION:The shape and the structure of the upper stacker 50 and the lower stacker 51 are the same and common, and both the stackers 50, 51 are interchangeable. Also, in one corner part in the upper stacker 50, a chamfered part 50i corresponding to a chamfered part of a disk cassette 100 is formed, and through this chamfered part 50i, a cross-sectional shape of a cassette housing space in the upper stacker 50 is formed to an asymmetrical shape corresponding to the external form of the disk cassette 100, so that the cassette cannot be housed in other direction than the normal housing direction into the upper stacker 50. In such a way, it does not occur that an operator mistakes the housing direction.
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