Patent ID: 7367034

Claim:
A disk drive comprising: a chassis having two outer walls, two inner walls each a given distance away from the corresponding outer wall, and two connecting parts connecting the outer and inner walls; a tray to set a disk on and to bring out and in the disk drive; a plurality of guiding parts on at least one of the outer walls on the side facing inside the chassis, each guiding part having roughly a reversed L-shape including a supporting portion extending horizontally inward and a guide rib extending vertically downward from leading end of the supporting portion; a horizontal limiting-rib sliding face formed on a portion of the connecting parts connecting the outer and inner walls; and a sliding part located by edge of a sidewall of the tray and corresponding to the guiding part, including a position-limiting rib extending upward and downward from leading edge of the sidewall of the tray and a guide groove formed between the position-limiting rib and the edge of the sidewall, wherein the guide rib of the guiding part is slidably fitted in the guide groove, and the position-limiting rib is slidably held between the supporting portion and the limiting-rib sliding face.