Patent ID: 7398538

Claim:
A disk drive unit for a disk comprising: a slide of a slide mechanism; a pickup unit mounted to the slide wherein the slide mechanism is adapted to move the pickup unit along the disk between a home position and a read and/or write position, the slide mechanism comprising: a driven first transmission member which is operatively connected to the slide for moving the slide; and a driving second transmission member which is only in engagement with the first transmission member when the pickup unit is in the read and/or write position, wherein the pickup unit and the second transmission member comprise engagement members which are adapted to come into engagement at least when the second transmission member is not in engagement with the first transmission member so as to cause movement of the pickup unit away from the home position, wherein the movement causes the first and second transmission members to engage; wherein the engagement member of the pickup unit is operatively coupled to an actuator of the pickup unit, and wherein the engagement member of the pickup unit is adapted to come into engagement with the engagement member of the second transmission member owing to action of the actuator of the pickup unit; wherein the engagement member of the pickup unit includes a cam at a bearing plate of the pickup unit, wherein the bearing plate is operatively coupled to the actuator of the pickup unit and is movable about a pivoting pin under action of the actuator of the pickup unit in order to move the cam into a position in which the cam is enabled to come into engagement with the engagement member of the second transmission member; and wherein the second transmission member includes a gear wheel.