Head suspension for disk drive
First Claim
1. A head suspension for a disk drive, comprising:
- support plate means fitted to and supported by a support of a carriage in the disk drive, the support plate means serving as a carriage arm of the carriage; and
a load beam resiliently supported by the support plate means and having at least a rigid part, for applying load onto a slider of a head, wherein;
the support plate means is at least made of layered first and second plates;
at least the first plate has a thickness appropriate for forming precision holes therethrough by etching;
a pivot hole to be fitted to the support of the carriage is formed through the first plate; and
one of a pivot hole and a loose hole is formed through the second plate, the pivot hole being equal to and concentric with the pivot hole of the first plate, the loose hole being larger than and substantially concentric with the pivot hole of the first plate.
1 Assignment
0 Petitions
Accused Products
Abstract
A head suspension for a disk drive has support plate means (3, 7) serving as a carriage arm and a load beam (5). The load beam consists of a rigid part (13) and a resilient part (15), to apply load to a slider (43) of a head. The support plate means (3, 7) consists of at least layered two plates (3, 7). At least one (7) of the plates (3, 7) has a thickness (t2) appropriate for forming precision holes therethrough by etching. A pivot hole (31) is formed through the plate (7). A loose hole (9) larger than and substantially concentric with the pivot hole is formed through the plate (3). The plates (3, 7) have improved flatness, and the pivot hole has improved accuracy.
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Citations
14 Claims
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1. A head suspension for a disk drive, comprising:
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support plate means fitted to and supported by a support of a carriage in the disk drive, the support plate means serving as a carriage arm of the carriage; and
a load beam resiliently supported by the support plate means and having at least a rigid part, for applying load onto a slider of a head, wherein;
the support plate means is at least made of layered first and second plates;
at least the first plate has a thickness appropriate for forming precision holes therethrough by etching;
a pivot hole to be fitted to the support of the carriage is formed through the first plate; and
one of a pivot hole and a loose hole is formed through the second plate, the pivot hole being equal to and concentric with the pivot hole of the first plate, the loose hole being larger than and substantially concentric with the pivot hole of the first plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification