Patent ID: 6934119

Claim:
A disk drive apparatus comprising: a frame having a frame bottom surface and frame side walls which rise from both sides of the frame bottom surface; a slider having a slider bottom surface and slider side walls which rise from both sides of the slider bottom surface; a carrier which holds a disk and which is supported by the slider so as to movable in the vertical direction; and a horizontal guide mechanism and a vertical guide mechanism, which are arranged between the frame and the slider for slidably guiding the slider, wherein the horizontal guide mechanism comprises an engaging piece disposed in at least one of the frame and the slider, and an engaging hole which is disposed in the other and which is engaged with the engaging piece, wherein the one of the frame and the slider that has the engaging piece formed therein is made of a metallic sheet material and the engaging piece is made by bending a part of the metallic sheet material, the engaging piece having an extending part in the thickness direction of the metallic sheet material for adjusting clearances to the side edges of the engaging hole, wherein the thickness of the cross-section of the extending part is larger than the thickness of the cross-section of the engaging piece, as measured in the horizontal direction.