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US 6,473,268 B2Granted
Recording disk drive
AssigneeFujitsu Limited
InventorToru Simozato
Life of this patent
Estimating the term…
Abstract
A suspension is cantilevered at the tip end of a carriage arm. A magnetic head is mounted on the free end of the suspension. A lift bar in parallel with the disk surface contacts the suspension from the below. The lift bar may move in the path intersecting the suspension while contacting the suspension. The lift bar thus generates the warp in the suspension. The magnetic head at the free end of the suspension may be kept away from the disk surface as a result of the warp in the suspension. The adjustment of the orientation of the lift bar prevents the suspension from twisting.
Claims17
A recording disk drive comprising:
- a recording disk having a disk surface;
- a carriage arm configured and arranged to swing about a support axis for moving said carriage arm in a radial direction of the recording disk;
- a suspension cantilevered on the carriage arm such that said suspension has a cantilevered end and a free end, wherein the free end is closer to the disk surface than the cantilevered end;
- a head supported at the free end of the suspension;
- and
- a lift bar disposed at a level between a level of the suspension and a level of the disk surface;
- a drive mechanism connected to the lift bar that moves the lift bar into contact with the suspension and keeps moving the lift bar after contact so as to cause a warp in the suspension, wherein said drive mechanism moves within a plane that is substantially parallel to the disk surface, said drive mechanism including a cam formed on the carriage arm, wherein said cam urges a support member in response to swinging movement of the carriage arm;
- the support member supporting the lift bar in parallel with the disk surface;
- and
- an orientation adjuster acting on a portion of the support member to change an orientation of the lift bar around a pivot within a plane parallel to the disk surface.
7 more elements
A recording disk drive comprising:
- a recording disk having a disk surface;
- a carriage arm configured and arranged to swing about a support axis for moving said carriage arm in a radial direction of the recording disk;
- a suspension cantilevered on the carriage arm such that said suspension has a cantilevered end and a free end, wherein the free end is closer to the disk surface than the cantilevered end;
- a head supported at the free end of the suspension;
- and
- a lift bar disposed at a level between a level of the suspension and a level of the disk surface;
- a drive mechanism connected to the lift bar that moves the lift bar into contact with the suspension and keeps moving the lift bar after contact so as to cause a warp in the suspension;
- an insertion mechanism generating a force that moves the lift bar between a standby position defined outside the recording disk and an operating position defined between the suspension and the recording disk, wherein said insertion mechanism includes:
- a support member supporting the lift bar at its tip end, wherein said support member supports the lift bar in parallel with the disk surface;
- a pivot supporting the support member for swinging movement;
- and
- a cam formed on the carriage arm and contacting the support member so as to cause the swinging movement of the support member around the pivot in response to swinging movement of the carriage arm, wherein said cam urges the support member to cause advancement of the support member in response to the swinging movement of the carriage arm;
- and
- an orientation adjuster that acts on the support member to change an orientation of the lift bar around the pivot within a plane parallel to the disk surface.
11 more elements
A recording disk drive comprising:
- a recording disk configured to be rotated about a central axis;
- a carriage arm configured and arranged to pivot about a support axis, wherein said support axis is substantially parallel to the central axis of the recording disk;
- a suspension cantilevered on the carriage arm to tilt in a forward direction toward a disk surface of the recording disk;
- a head supported at a free end of the suspension;
- a lift bar;
- and
- a means for moving said lift bar along a longitudinal axis of the suspension, wherein said means for moving said lift bar includes a support member that travels along a path that includes a linear portion as well as an arcuate portion.
4 more elements
A recording disk drive comprising:
- a recording disk;
- a suspension cantilevered on a carriage arm to tilt in a forward direction toward a disk surface of the recording disk;
- a head supported at a free end of the suspension, wherein a suspension direction is defined to extend between said free end and a cantilevered end of the suspension;
- a lift bar;
- and
- means for moving said lift bar in a straight line along a longitudinal axis of said suspension;
- wherein said means for moving said lift bar includes:
- a means for pivoting a support member of said lift bar about a pivot point;
- and
- a means for sliding said pivot point of said support member.
7 more elements
Dependencies are inferred from the claim text.