Disk drive comprising a ratchet arm applied to a disk and disengaged through windage generated by the disk rotating

   
   

A disk drive is disclosed comprising an enclosure, a disk, a head actuated radially over the disk, a spindle motor for rotating the disk, and a ratchet arm having a base end connected to the enclosure of the disk drive and a wind vane extending from the base end adjacent the disk. The ratchet arm engages the disk when the disk is not rotating, and the ratchet arm disengages from the disk due to windage pushing on the wind vane, the windage generated by the disk rotating at an angular velocity greater than a threshold.

 
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< Head protection device and a card reader having the head protection device

< Tape cartridge producing and method thereof

> Single slider air bearing process using polymer brush formation

> Head feeding mechanism having protrusion engaged with lead screw

~ 00156