Patent ID: 7100175

Claim:
A disk apparatus comprising: an apparatus body; a chassis fixed to the apparatus body; a drive unit having a motor and a plurality of gears, the drive unit being ascendable and descendable in a ascending/descending direction with respect to the chassis through the plurality of gears by driving the motor; a pickup unit having an optical pickup and attached to the drive unit, the pickup unit being movable in a direction substantially orthogonal to the ascending/descending direction of the drive unit by driving the motor; a cam slider disposed on the chassis and being movable in a direction substantially orthogonal to the ascending/descending direction of the drive unit and a moving direction of the pickup unit; and a plate trigger having an inclined cam groove and a rack to be in mesh with one of the gears coupled with the motor, the plate trigger disposed on the drive unit and being movable in the same direction as the cam slider through cam engagement with the pickup unit and causes the drive unit to ascend or descend through cam engagement with the cam slider.