Screw shaft adjustment means for a magnetic disk drive unit

Details Screw shaft adjustment means for a magnetic disk drive unit Screw shaft adjustment means for a magnetic disk drive unit

1986-02-24

1988-01-05

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, 744248R, G11B 555, G11B 2108

Patent

active

047179783

ABSTRACT:
A magnetic disk drive unit has a carriage which holds a magnetic head and travels in the radial direction of a magnetic disk, a guide shaft for guiding the carriage, a screw shaft placed in a substantially parallel relationship with the guide shaft and rotated by a motor, and a screw engagement portion of the carriage engaging with the screw shaft. One end of the screw shaft is held in a fixed position, and a bearing member supporting the other end of the screwshaft is adjustable to a certain degree. The stop position accuracy (tract position decision accuracy) of the carriage is thereby improved.

REFERENCES:
patent: 4030137 (1977-06-01), Dalziel
patent: 4096537 (1978-06-01), Butsch
patent: 4097908 (1978-06-01), Chou et al.
patent: 4131923 (1978-12-01), Wachs et al.
patent: 4422113 (1983-12-01), Mabon
patent: 4445157 (1984-04-01), Takahashi

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