Patent ID: 7227724

Claim:
A head actuator assembly for a tape drive, comprising: a coarse positioner base assembly; first and second shafts vertically mounted at first ends on the coarse positioner base assembly; a coarse positioner base configured to carry a head carriage assembly and voice coil holder, the coarse positioner base having at least first and second bores and at least first and second bushings respectively in the first and second bores, the coarse positioner base being vertically movably mounted on the first and second shafts such that the first and second shafts respectively extend through the first and second bushing and the first and second bores; and third and fourth bushings respectively in the first and second bores, the first and second shafts respectively extending through the third and fourth bushings, the first, second, third and fourth bushings forming a four-point support of the coarse positioner base on the first and second shafts.