| 摘要 |
<p>An interchangeable disc unit comprises a disc pack (6) which is accommodated in a square enclosure comprising two covers (9, 10) which can move relative to each other from a closed position and which are interconnected by separate connecting means (29) in said closed position, which connecting means are situated near the corners of the covers. (9, 10) Each of the connecting means (29) comprises a plurality of elastically pivotable fingers, (41) which extend away from the one cover (9), and which elastically press against an annular stop (40) on the other cover (10) in the closed position.</p> |
