Patent ID: 7707595
Filing Date: 2010-04-27
Classification: G11B

Abstract:
1. A disk drive comprising: a traverse unit including a turntable, an optical pickup, other components, and a substantially U-shaped traverse holder; a resinous chassis accommodating said traverse unit; and a rack loading unit mounted over the chassis on a front-end side of the traverse unit so as to be movable in a left and right direction; wherein the traverse holder is provided with support arms extending from both ends thereof, the support arms having plate-like ribs formed thereon respectively and shaft portions protruding outwardly from front ends thereof respectively, the chassis is provided with bearing portions formed in sidewalls respectively, each of the bearing portions having an axial hole formed in the sidewall and a flexibly deformable, resilient arm extending forward, spaced from the sidewall by a given distance, the axial hole having a front portion and a rear portion, the front portion being smaller in height than the rear portion, and the height of the front portion of the axial hole being slightly larger than outside diameter of the shaft portions, and the shaft portions of said traverse holder are rotatably fitted in the axial holes formed in said bearing portions, respectively, and the plate-like ribs on the support arms are squeezed within and held by the resilient arms, so as to prevent rattling of the traverse unit.