US 12,444,437 B2
Disk device
Makoto Okamoto, Tokyo (JP)
Assigned to Kabushiki Kaisha Toshiba, Kawasaki (JP); and Toshiba Electronic Devices & Storage Corporation, Kawasaki (JP)
Filed by Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP)
Filed on Feb. 28, 2024, as Appl. No. 18/590,664.
Claims priority of application No. 2023-124356 (JP), filed on Jul. 31, 2023.
Prior Publication US 2025/0046337 A1, Feb. 6, 2025
Int. Cl. G11B 5/48 (2006.01)
CPC G11B 5/4833 (2013.01) 13 Claims
OG exemplary drawing
 
1. A disk device comprising:
a first magnetic head;
a second magnetic head;
a carriage including an arm and configured to rotate;
a first suspension having a first base plate mounted to the arm, to hold the first magnetic head; and
a second suspension having a second base plate mounted to the arm, to hold the second magnetic head, wherein
the arm with a through-hole includes
a first surface to which the through-hole is open,
a second surface being opposite the first surface and to which the through-hole is open, and
an inner surface defining the through-hole,
the first base plate includes
a third surface facing the first surface, and
a first boss protruding from the third surface to be accommodated in the through-hole in contact with the inner surface,
the second base plate includes
a fourth surface facing the second surface, and
a second boss protruding from the fourth surface to be accommodated in the through-hole in contact with the inner surface, and
the second boss is at least partly held between the inner surface and the first boss.