Magnetic disk drive sealing structure having a soft elastic memb

Details Magnetic disk drive sealing structure having a soft elastic memb Magnetic disk drive sealing structure having a soft elastic memb

1994-10-31

1996-10-22

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 3314

Patent

active

055683410

ABSTRACT:
A sealing structure for a magnetic disk drive unit having a favorable assembling workability. The sealing structure includes a base housing for receiving therein a plurality of hard disks, a spindle motor assembly for rotating the hard disks, and an actuator assembly, and having an upper surface on its outer peripheral portion, on which upper surface a plurality of projections of a predetermined height are formed; an annular packing assembly placed on the upper surface of the base housing along the projections formed on the upper surface, the annular packing assembly including a core member and a soft elastic member bonded to the core member; and a cover fixed to the base housing by crushing the packing assembly. The cover has an annular rib which is brought into abutment with the projections and the packing assembly when the cover is fixed to the base housing.

REFERENCES:
patent: 5282101 (1994-02-01), Reinisch
patent: 5317462 (1994-05-01), Kakizaki

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