Linear actuator disk file with symmetric housing

Details Linear actuator disk file with symmetric housing Linear actuator disk file with symmetric housing

1988-09-27

1990-11-27

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9704, G11B 3314

Patent

active

049741047

ABSTRACT:
A data recording disk file includes a disk stack subassembly and a linear actuator, both of which are supported by a single-piece casting which forms part of the disk file housing. The casting is symmetric about two perpendicular planes and includes an open-ended portion and an actuator portion. The disk stack subassembly, which includes an in-hub motor, is entirely supported in the open-ended portion by two parallel interior walls which are equally spaced from the first plane of the casting. The linear actuator is entirely supported in the actuator portion by two parallel side walls which are equally spaced from the second plane of the casting. The actuator is mounted to the side walls in its plane of symmetry, which coincides with the first plane of the casting, and with its linear access axis coincident with the intersection of the two planes. The disk file housing is made complete by an end cap which attaches to the open-ended portion of the casting to enclose the disk stack subassembly, and by cover plates and a casting end wall which enclose the actuator.

REFERENCES:
patent: 4005490 (1977-01-01), Duncan et al.
patent: 4519010 (1985-05-01), Elsaessar et al.
patent: 4587645 (1986-05-01), Wong et al.
patent: 4607182 (1986-08-01), Ballhaus
patent: 4677509 (1987-06-01), Nishida et al.
patent: 4692827 (1987-09-01), Biermeier et al.
patent: 4743995 (1988-05-01), Castle et al.
M. Pearce, "Who Needs High Capacities?", Computer Systems (Nov. 1983), pp. 81-84.

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