Disk apparatus having suspension provided with head support projections
View Patent ↗A disk apparatus, e.g., a magnetic disk apparatus has a storage medium in the form of a disk which is rotated and accessed, and is designed so as to reduce the occurrence of scratches on the storage medium due to contact between the head and the storage medium while ensuring stable access to the disk-type storage medium. In addition to a main dowel which is provided on a suspension and which supports a magnetic head at a center of the same, an auxiliary dowel is provided on the suspension on the air outflow side relative to the main dowel to limit the tilt of the magnetic head at the time of loading.
1. A disk apparatus in which a storage medium in the form of a disk is rotated and accessed, the disk apparatus comprising:
a head which is brought close to the storage medium, and with which the storage medium is accessed;
an arm which is rotated to move a tip end portion thereof in a radial direction of the storage medium;
a suspension which is provided on the tip end portion of the arm, and which has a first projection; and
a gimbal which is attached to the suspension, and through which the head is supported on the first projection at a center of the head, the head being fixed on the gimbal so as to be tiltable on the first projection,
wherein the suspension has a second projection at a position adjacent to the first projection and superposed on the head as seen in a direction perpendicular the head.
2. The disk apparatus according to claim 1 , wherein the second projection of the suspension is provided on the air outflow side relative to the first projection.
3. The disk apparatus according to claim 2 , wherein the second projection is lower in height than the first projection.
4. The disk apparatus according to claim 2 , wherein the second projection has a height such that the tilt of the head on the air inflow side in a state where the head is supported on both the first projection and the second projection is equal to or larger than minus one degree.
5. The disk apparatus according to claim 1 , wherein the arm rotates to move the tip end portion of the arm beyond the outer circumference of the storage medium, the disk apparatus further comprising a supporting member which supports the arm in a state of having the tip end portion of the arm moved to a position off the storage medium.