Magnetic disk and spindle for driving the same

Details Magnetic disk and spindle for driving the same Magnetic disk and spindle for driving the same

1983-10-11

1986-10-21

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360135, 403322, G11B 5012, G11B 582

Patent

active

046189009

ABSTRACT:
Disclosed is a magnetic disk comprising a center hub directly/indirectly fixedly attached to a central hole portion of a disk-like magnetic storage medium, a circular center hole formed at a central portion of the center hub for receiving a driving spindle inserted thereinto, and a groove annularly formed in an inner wall of the center hole for receiving portions of members provided at the driving spindle side. The member may preferably be balls. The balls are sandwiched between a center hub bearer rotatably attached on the driving spindle and a ball pressing fixedly provided on the driving spindle.

REFERENCES:
patent: 2302503 (1942-11-01), Proctor
patent: 2885892 (1959-05-01), Lane
patent: 4216511 (1980-08-01), Bilek
patent: 4521819 (1985-06-01), Elsing

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