Load beam head gimbal assembly with a bend region including a se

Details Load beam head gimbal assembly with a bend region including a se Load beam head gimbal assembly with a bend region including a se

1997-01-24

1998-12-01

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 548

Patent

active

058447520

ABSTRACT:
A load beam of a head suspension assembly includes a base plate attachment segment, and a bend region that extends from the base plate attachment segment for providing the load beam with a predetermined preload spring force and for increasing the lateral stiffness of the load beam. The bend region is defined by two side edges that are substantially symmetrical relative to a central axis of the load beam. In a preferred embodiment, the bend region is wider than the base plate attachment segment. A forward section extends from the bend region so that the center of gravity of the bend region and forward section is shifted toward the base plate attachment to improve the overall shock performance of the load beam. In one embodiment a central channel is formed at least partly in the forward section and is located in a nodal area of a first torsion vibration mode of the load beam. Two sets of side openings are positioned symmetrically relative to the central axis B--B and are positioned outside the nodal area of the first torsion vibration mode of the load beam.

REFERENCES:
patent: H1573 (1996-08-01), Budde
patent: 5126904 (1992-06-01), Sakurai
patent: 5408372 (1995-04-01), Karam, II
patent: 5455727 (1995-10-01), Baral et al.
patent: 5719727 (1998-02-01), Budde
patent: 5739982 (1998-04-01), Arya et al.
patent: 5777826 (1998-07-01), Tsuchida et al.

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