Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1995-12-01
1997-08-19
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 9806, 360 9808, G11B 17038
Patent
active
056594437
ABSTRACT:
A retainer includes a resilient split band with a transition region and a loading region between its top and bottom edges. The loading region of the split band is provided with a plurality of loading domes which extend inwardly and a plurality of tabs which are located in the transition region of the split band adjacent its top edge. Upon assembly, the inner annular edge of the disk is located in the transition region of the split band with the top surface of the disk engaging the bottoms of the tabs. Downward movement of the split band on a spindle hub causes the loading domes to engage a cylindrical hub and cone the split band with its bottom edge located inwardly from its top edge. Pushing downwardly on the tabs causes the disk and the retainer to be forced downwardly on the spindle hub until the bottom edge of the split band engages a hub flange within a recess adjacent the hub. Downward pressure is then applied to the top surface of the disk causing the inner annular edge of the disk to be moved from the transition to the loading region of the split band. This causes the loading dome to be compressed against the cylindrical surface of the hub to apply a radial loading pressure between the inner annular edge of the disk and the outer cylindrical surface of the hub. This radial loading pressure retains the disk to the hub.
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International Business Machines - Corporation
Wolff John H.
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