Patent ID: 6236636
Filing Date: 2001-05-22
Classification: G11B

Abstract:
A spindle motor inclination angle adjusting mechanism in an optical disk apparatus including a spindle motor with a rotary shaft carrying a turntable thereon, a chassis supporting said spindle motor thereon, and an optical pickup disposed on said chassis transferably so that an optical axis of said optical pickup can be moved in a direction substantially perpendicular to said rotary shaft of said spindle motor, for adjusting inclination of said spindle motor relative to said chassis, said adjusting mechanism comprising:a tilt movement mechanism for supporting said spindle motor on said chassis tiltably both in a direction around a first tilt movement axis extending in a direction perpendicular to said rotary shaft of said spindle motor and perpendicular to a direction of movement of said optical axis of said optical pickup and in a direction around a second tilt movement axis extending in a direction of movement of said optical axis of said optical pickup and being perpendicular to said rotary shaft of said spindle motor, said tilt movement mechanism including a motor base for supporting said spindle motor tiltably in the direction around the second tilt movement axis, said motor base being supported on said chassis tiltably in the direction around the first tilt movement axis;a first adjusting section for adjusting the inclination angle in the direction around the first tilt movement axis by driving said spindle motor in the direction around the first tilt movement axis; anda second adjusting section for adjusting the inclination angle in the direction around the second tilt movement axis by driving said spindle motor in the direction around the second tilt movement axis,wherein said first and second adjusting sections comprise an urging section for urging said spindle motor in the direction around said first and second tilt movement axes, a first pressing member for pressing said spindle motor back in the direction around said first tilt movement axis against an urging force of said urging section to thereby adjust the inclination angle in the direction around said first tilt movement axis, and a second pressing member for pressing said spindle motor back in the direction around said second tilt movement axis against the urging force of said urging section to thereby adjust the inclination angle in the direction around said second tilt movement axis.