Magnetic head supporting apparatus having a fulcrum point of loa

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record

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Details

360103, G11B 5596, G11B 560, G11B 2120

Patent

active

053830733

ABSTRACT:
A magnetic head includes a gimbal with a head slider attached thereon, a load beam retained on the gimbal, and a mount attached on an end portion of the load beam on a side opposite to a side where the head slider is attached. A fulcrum portion as a center of load of the head slider is set on the gimbal to be shifted from a center of the head slider along its longitudinal direction to a proximal end side of the load beam, namely, toward an air upstream side. To compensate for the imbalance of the floating force due to the shift of the fulcrum portion, there is generated a moment about the fulcrum portion. The moment is provided by assigning an inclination angle to a slider attaching surface of the gimbal. The inclination angle can be adjusted by the height of the projection formed as the fulcrum portion. Moreover, the moment is generated by disposing rails on the head slider such that the width on the air upstream side of each rail is wider than the width on the air downstream side of the rail. This compensates for the variation in the load of the head slider and hence minimizes the change in the quantity of floating distance.

REFERENCES:
patent: 4922356 (1990-05-01), Yamaguchi et al.
patent: 4984114 (1991-01-01), Takeuchi et al.
patent: 5012369 (1991-04-01), Owe et al.
patent: 5079660 (1992-01-01), Yumura et al.
patent: 5115363 (1992-05-01), Khan et al.
patent: 5159508 (1992-10-01), Grill et al.
patent: 5161076 (1992-11-01), Inumochi et al.

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