http://www.w3.org/ns/prov#value | - ioned object, the present invention is a floating lock device, comprising: a swing arm which can be swung into and swung out of a space created by splitting disk housing sections capable of housing a plurality of disks; a drive chassis which is mounted on the swing arm and which comprises a drive playing the disk; and a floating lock mechanism which is provided on the swing arm and switches betwee
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