Patent ID: 6802071
Filing Date: 2004-10-05
Classification: G11B

Abstract:
An optical pickup supporting device for supporting an optical pickup, said optical pickup supporting device comprising:a sheet metal base; a main track connected to said sheet metal base; and a sub track coupled to said main track, wherein said main and said sub track guide said optical pickup in cooperation with each other so that said optical pickup is movable in a predetermined direction above said sheet metal base, said sub track being formed by a part of said sheet metal base; wherein said sub track is formed by drawing said base and includes a protruding portion protruding from first and second plate surfaces of said base; wherein said protruding portion has a cup shape in a cross section perpendicular to said predetermined direction provided with a pair of wall side portions and an end side portion; wherein said pair of wall side portions protrude from said first plate surface of said base; wherein said end side portion bridges both ends of said wall side portions and protrudes from said second plate surface of said base; and wherein said protruding portion continuously extends at least in a region where said optical pickup is movable in said predetermined direction.