Shock-resistant structure for magnetic disk drive

Details Shock-resistant structure for magnetic disk drive Shock-resistant structure for magnetic disk drive

1995-09-21

1997-06-17

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 9701, G11B 2121

Patent

active

056402902

ABSTRACT:
When an HDD is subjected to shock with a magnetic head (22) retracted to the parking zone, a suspension (34) having a magnetic head (36) at the free end thereof swings. When a lowest suspension (34) swings, the free end of the suspension (34) is brought into contact with a pin projection (50) and further displacement toward the base (12) is impeded. The suspension (34) that further swings in this condition presents not a swing in a primary mode (cantilever support mode) but a swing in a secondary mode (two-point support mode), and the maximum displacement of the suspension (34) occurs at the longitudinal intermediate portion of the suspension (34). The intermediate portion that is displaced is made to go into a groove (48), and the contact of the intermediate portion of the suspension (34) with the base (12) is impeded by the groove (48).

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