| 摘要 |
A swing arm arrangement moves and positions a magnetic head over a surface of a rigid rotatable magnetic disc of a magnetic disc store. The arrangement includes a swing arm, a permanent magnetic stator having stator end plates, and a bearing arrangement having ball bearings. The swing arm, magnetic stator and ball bearings are mounted on a bearing pin. The bearings are arranged on the pin at opposite sides of the arm and are carried by the stator end plates.
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