US Patent 7207050 Disk drive provided with tray

A disk drive with a tray that can be smoothly taken in and out without a gear coming-off from a rack. The tray includes, on its back surface side, a cam wall and a gear escape-preventing wall in parallel to each other along the rack with a predetermined spacing therebetween, and a guide groove provided on a rear side of the tray and connected to the gear escape-preventing wall via an inclined portion formed on the cam wall. Provided on a font side of the tray are a transverse guide groove perpendicular to a disk conveyance track, a transverse guide wall defining the transverse guide groove, a corner wall connected to the cam wall, and a corner escape-preventing wall connected to the gear escape-preventing wall. First and second bosses are provided on a rack loading device, which interpose therebetween the cam wan and the gear escape-preventing wall.