| 摘要 |
<p>A magnetic disk drive apparatus provided with a protecting cover covering the same generally comprises a base, magnetic disks mounted on a rotary shaft rotatably attached to the base, and an actuator movably attached to the base. To one end of the actuator are rotatably attached suspensions which are provided with magnetic heads at the free ends thereof respectively. The magnetic disk drive apparatus further comprises a shaft rotatably supported by the protecting cover and vertically extending through an upper surface of the cover and a stop member secured to a lower portion of the shaft inside the cover for restricting the movement of the actuator at a locking position thereof. The shaft is also connected to an operating mechanism so that the stop member will take a locking or unlocking position for the actuator.</p> |
