Patent ID: 7814508

Claim:
A disk device for rotating a disk set in a chuck position and for writing and reading on said disk, wherein in a loading step, said disk entered through an insertion slot of a case is moved to said chuck position by plural arms disposed on a base panel, and in an unloading step, said disk of said chuck position is moved to an ejection position where a proximal end of said disk protrudes externally from said insertion slot, said disk device comprising: a lifting frame, disposed in an opening in said base panel, for moving between a high position and a low position, said lifting frame being settable in a disk rotating position slightly lower than said high position; a disk driving unit, secured to said lifting frame, for chucking said disk set in said chuck position while said lifting frame moves to said high position, for releasing said disk from being chucked while said lifting frame moves to said low position, and for rotating said disk being chucked while said lifting frame is set in said disk rotating position; a leading segment for raising a distal end of a periphery of said disk entered through said insertion slot by forming a slope, said leading segment being disposed on said lifting frame, and having a distal end portion disposed beside said disk driving unit to extend in an insertion direction of said disk, said distal end portion being kept higher than an upper face of said lifting frame when said lifting frame is in said low position.