| 摘要 |
PURPOSE:To switch simply a detection piece by various methods selected by the user by facing both side faces of the detection piece to each operation inlet, facing a detection section such as a projection provided on one side face of the detection piece to one operation inlet and facing an engaging section such as a recess provided on other side face to other operation inlet. CONSTITUTION:The constitution is adopted that a detection section 15 at the side of a detection piece 10 is pressed by the bulb of a finger, a sharp plate member B at band is inserted as a wedge or a pin member A is engaged with an engaging part 16 depending on the preference of the user from either of operation inlets 17, 18 of both side faces of a main body case 1. Thus, the detection piece 10 is moved easily. Further, the method above copes well with the miniaturization of the detection piece 10, the operation inlets 17, 18 and the miniaturization of the disk cartridge.
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