Patent ID: 6804184
Filing Date: 2004-10-12
Classification: G11B

Abstract:
An optical disc drive for use with a disc, comprising:a main frame; a tray to transport the disc; a base chassis which is pivotable with respect to the main frame, the base chassis having a free end portion and comprising: a turntable to rotate the disc, an optical pickup which records information on and reproduces information from the disc, and a feeding unit which moves the optical pickup in a radial direction of the disc; a tray loading unit which retracts the tray into the main frame; a sub-chassis which is pivotable with respect to the main frame, the sub-chassis having a free end portion coupled to the free end portion of the base chassis, the sub-chassis comprising a cam protrusion; and a cam member having a groove, the cam groove slidingly engaged with the cam protrusion, the cam member operationally engaged with the tray loading unit to pivot the sub-chassis as the tray loading unit retracts the tray into the main frame, the sub-chassis pivoting the base chassis to engage the turntable with the disc.