Guide drum assembly with built-in motor having floating rotor

Details Guide drum assembly with built-in motor having floating rotor Guide drum assembly with built-in motor having floating rotor

1988-03-11

1989-12-26

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 552, G11B 2104

Patent

active

048901776

ABSTRACT:
A guide drum assembly comprises a rotary drum mounted with at least one rotary magnetic head, a rotary shaft rigidly fixed to the rotary drum so that the rotary drum rotates when the rotary shaft rotates, a motor having a stator and a rotor which generates a torque for driving the rotary shaft, and a resilient member having both viscosity and resiliency for resiliently coupling the rotor to the rotary shaft. The resilient member absorbs vibrations in a circumferential direction of the rotor.

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