Dual disc drive actuator assembly fabrication

Details Dual disc drive actuator assembly fabrication Dual disc drive actuator assembly fabrication

1998-07-02

1999-11-16

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360104, 360106, G11B 542

Patent

active

059834854

ABSTRACT:
A method for fabricating a dual actuator assembly for a disc drive. The dual actuator assembly has first and second rotatable actuator assemblies which are axially aligned for independent rotation about a common axis and support at least first and second read/write heads, respectively. The method comprises providing a dual bearing cartridge assembly with a stationary shaft aligned along the common axis having first and second ends, a first rotatable sleeve mounted for rotation about the stationary shaft toward the first end, a second rotatable sleeve mounted for rotation about the stationary shaft toward the second end, and first and second bearing assemblies supporting the first and second rotatable sleeves, respectively. A support member is inserted between the first and second rotatable sleeves to provide a bearing support force in oppostion to the preload force of the first and second bearing assemblies, allowing attachment of the first and second actuator assemblies to the first and second rotatable sleeves, respectively while preventing damage to the bearing assemblies.

REFERENCES:
patent: 4799112 (1989-01-01), Bremmer et al.
patent: 5218496 (1993-06-01), Kaczeus
patent: 5262907 (1993-11-01), Duffy et al.
patent: 5267110 (1993-11-01), Ottesen et al.
patent: 5343345 (1994-08-01), Gilovich

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