A tray mechanism and a disk drive employing the tray mechanism. The tray
mechanism includes a driving member rotatably coupled to a spindle motor;
a pinion meshed with a rack provided at a surface of a tray to load the
tray onto and unload the tray from a main frame; a pivotable plate
pivotally provided at a shaft of the driving member, and having a
connector which couples the driving member and the rack; and a limiting
member provided on the main frame for limiting a pivotal range of the
pivotable plate.