| 摘要 |
<p>PURPOSE:To smoothly operate the insertion and ejection of a cassette by holding a release piece at a position where the release piece does not abut on a cassette cover at the time of inserting and ejecting the cassette and depressing a release piece for a cassette cover lock after loading the cassette. CONSTITUTION:At the time of finishing the ejection of the cassette, a release piece holding piece 37 on a side board 25 is locked with a projecting part 33b on a release piece 33 and the right side surface of the cassette 21 does not abut on the triangular projecting part 33c on the release piece 33 at the time of inserting the cassette 21 in a cassette holder 22. And then, when the cassette 21 is inserted in the cassette holder 22, a kicking-out lever 30 is moved in a direction E by the cassette 21 and the cassette holder 22 is driven in the direction E by a driving device and the projecting part 33b on the release piece 33 is separated from the release piece holding piece 37 on the side board 25 and the triangular projecting part 33c on the release piece 33 depresses the release piece 35 for the cover lock of the cassette 21, so that the cassette cover 21a can open and shut.</p> |
