Patent ID: 6191924
Filing Date: 2001-02-20
Classification: G11B

Abstract:
A rotary-actuated disc drive comprising:a disc rotatably coupled to a chassis of a disc drive;an actuator including an actuator block supporting heads relative to a disc surface and motor operably coupled to the actuator block to rotationally move the actuator block for aligning the heads relative to selected locations of the disc surface, said actuator block being rotationally coupled to the chassis via aa bearing assembly comprising a fixed portion and a rotating portion and including first and second spaced bearings positioned proximate to opposed ends of the at least one of said fixed or rotating portions and at least one intermediate bearing between the first and second bearings each of the first and second spaced bearings and the at least one intermediate bearing including a rotating bearing element rotatable within a housing between first and second housing members to provide rotational connections between the fixed and rotating portions proximate to opposed ends of the at least one of the fixed or rotating portions and at an intermediate position between the first and second spaced bearings.