Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Patent
1988-12-20
1991-10-08
Trafton, David
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
369 752, 369 771, G11B 3302
Patent
active
050560786
ABSTRACT:
A disk drive spindle and spindle motor assembly is mounted on a support platform which is translated reciprocally toward and away from a stationary disk cartridge by a pair of rotationally driven cranks positioned along opposite sides of the platform. The cranks are coupled to the platform by eccentrically mounted support rods loosely captured in the span between dual sets of parallel, compliant leaf springs attached to side edges of the platform. The rotational cranks are provided with a degree of overtravel to forcefully urge the platform, when in the operational position, against precision stops formed on the underside of a mount plate located between the platform and disk cartridge. The spatial relationship of a disk engaging surface on the drive spindle relative to the precision stops is such as to precisely position the rotating disk in parallel with the tracking axis of the read/write head of the system. A pair of holes in the platform mate in sliding relationship with a pair of locator pins depending from the mount plate to maintain correct x-y positioning of the platform during its reciprocal translation.
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Carey James R.
Champagne Patrick J.
Rowden David L.
Literal Corporation
Trafton David
Weinberg Richard M.
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