Undertaking
Patent
1977-07-13
1978-10-17
Phillips, Charles E.
Undertaking
358128, 360102, G11B 360
Patent
active
041205057
ABSTRACT:
A stabilizing backing plate for a rotating flexible record disk has a bearing surface with a smooth finish to prevent disk wear. A plurality of depressions in the backing plate trap air to prevent the flexible disk from adhering to the backing plate during start-up.
REFERENCES:
patent: 1347113 (1920-07-01), Merriam
patent: 3225338 (1965-12-01), Kelner et al.
patent: 3830506 (1974-08-01), Ewert et al.
patent: 3863266 (1975-01-01), Hoshino
Cox Allen Ronald
Hatchett Michael Robert
Rigbey Leonard John
International Business Machines - Corporation
Phillips Charles E.
Somermeyer Herbert F.
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