Load beam assembly with separate spring and hinge functions

Details Load beam assembly with separate spring and hinge functions Load beam assembly with separate spring and hinge functions

1997-04-01

1998-08-18

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 2108, G11B 554

Patent

active

057965544

ABSTRACT:
The invention resides in a load beam assembly forming part of a head stack assembly in a magnetic disk drive, the load beam assembly biasing a transducer head against a rotating magnetic disk. The load beam assembly normally has spring and hinge functions combined in a single "spring/hinge" portion of a load beam stamped from a stainless steel sheet. Here, however, the spring and hinge functions are uniquely separated from one another in separate spring and hinge members. The preferred load beam assembly has a base portion, a load beam, and a hinge member joining them so that the load beam pivots relative to the base portion. The load beam is further provided with a bearing surface that cooperates with a preferred spring member, one end of the spring member being fixed relative to the base portion and the other end contacting the bearing surface of the load beam. The preferred spring member is a flat cantilever captured in a plastic base

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