| 摘要 |
This invention is relative with a tape cassette attachment device applied to a magnetic recording/reproducing apparatus, such as a cassette tape recorder, wherein a cassette holder into which is inserted and held a tape cassette having a closure plate mountd to the bottom surface of the cassette half for movement between the position of closing the reel drive shaft insertion openings formed in the bottom surface of the cassette half rotatably accommodating a pair of tape reels carrying a magnetic tape and the position of opening the reel drive shaft insertion openings is shifted horizontally and vertically for attaching the tape cassette at a predetermined tape cassette attachment position in the main body of the apparatus. The tape cassette enables the shifting operation of the cassette holder to effect tape cassette attachment only when the tape cassette is correctly inserted and held with respect to the cassette holder.
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