Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Patent
1981-06-18
1987-12-15
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
360 99, 360133, G11B 2302, G11B 2504
Patent
active
047137053
ABSTRACT:
Improved transducing techniques and arrangements; the embodiments particularly adapted for co-action with disk drive apparatus for handling flexible disk packs, and including a partitioning shield, flexure-bar mounted transducer head under the shield, along with disk-cleaner/stabilizer means--especially where these are arrayed in the form of a double-opposed transducer assembly adapted to be so manipulated into the pack as to double-partition the pack away from a selected disk on which opposed dual-transducing operations may be carried out.
Such arrangements eliminate the need for separate pressure-pads, incorporating them on opposed-heads adapted to transduce on both sides of a record mounted on the ends of respective pivotable flexure-bars. Such cleaner/stabilizers can be opposed, engaged an intermediate record, squeezingly.
REFERENCES:
patent: 4134143 (1979-01-01), Ragle et al.
patent: 4134144 (1979-01-01), Ragle et al.
DeMoss Dean
Ragle Herbert U.
Cass Nathan
McCormack John J.
Peterson Kevin R.
Unisys Corp.
Wolff John H.
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