Patent ID: 6925715

Claim:
A method to assemble an actuator assembly that can access a rotatable data storage medium, comprising: providing a voice coil holder, a bearing assembly having a seating flange with a wrenching flat at a first end and a screw thread at a second end, and a plurality of arm plates having a bore, at least one of the plurality of arm plates having threads within the respective bore; arranging the plurality of arm plates such that the corresponding bores are substantially aligned; arranging the plurality of arm plates such that the at least one arm plate is positioned farthest from a point of insertion of the bearing assembly within the bore; inserting the bearing assembly into the aligned bores; engaging the screw thread of the bearing assembly with the threads of the at least one arm plate; and rotating the bearing assembly to seat the bearing assembly in the bore; wherein the bearing assembly is rotated by engaging the wrenching flat of the seating flange; and wherein the actuator assembly is provided with sufficient rigidity when the bearing assembly is seated within the bore such that the actuator assembly can access the data storage medium.