High-performance actuator array for disk drive with unitary actuator guide means
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United States of America Patent
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-
Dec 3, 1991
Grant Date -
N/A
app pub date -
Mar 6, 1986
filing date -
Mar 6, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are reciprocating carriage arms carried on roll bearings engaged on guide rails, where the arms are independently driven, having common 'shared' magnet means. The coil-mounting portion of each arm is 'twisted' 90.degree. so the set of coil units align along a common 'magnet-plane' spanned by common drive magnet means. Also, the arms each mount three load-beams (heads) in 'staggered' array to thus shorten the arm-stroke. Opposing sets of the guide rails are provided each on a unitary guide plate with the plates being coupled capturing the respective roll bearings therebetween for a unitary guide box means for all the carriage arms.
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