Magnetic disk head carriage

Details Magnetic disk head carriage Magnetic disk head carriage

1974-07-05

1976-07-13

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 86, 360103, 360106, G11B 555, G11B 2120, G11B 2504

Patent

active

039697681

ABSTRACT:
A magnetic disk head carriage is described comprising a one-piece injection molded-head receiving platform having a pair of spaced symetrically-positioned beam-shaped legs. The legs of the platform are each terminated by a threaded bore for threadably receiving a lead screw. A spring is provided between the legs for spreading the legs against opposing threads of the lead screw. A magnetic head assembly is mounted on the platform and extends between the legs to a position over the center line of the lead screw. The carriage assembly, thus arranged, provides for cancelling the effects of compliance and provides flexibility in the directions required for wear, damping, thermal expansion and backlash compensation while retaining sufficient rigidity for controlling head-to-disk interface dimensional stability and the dissipation of stepper motor torque forces.

REFERENCES:
patent: 3177495 (1965-04-01), Felts
patent: 3682481 (1972-08-01), Whitlock
patent: 3770905 (1973-11-01), Sperry
patent: 3814441 (1974-06-01), Craggs
patent: 3852816 (1974-12-01), Stewart
patent: 3855622 (1974-12-01), Truscelli

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