US 12,230,303 B2
Center structure having attachment support for an actuator in a multi-actuator hard disk drive
Jung-Seo Park, San Jose, CA (US); Thomas J. Hitchner, San Martin, CA (US); Robert McNab, San Jose, CA (US); and Siddhesh Vivek Sakhalkar, Milpitas, CA (US)
Assigned to Western Digital Technologies, Inc., San Jose, CA (US)
Filed by Western Digital Technologies, Inc., San Jose, CA (US)
Filed on Jul. 26, 2023, as Appl. No. 18/226,584.
Claims priority of provisional application 63/409,037, filed on Sep. 22, 2022.
Prior Publication US 2024/0105222 A1, Mar. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G11B 5/55 (2006.01); G11B 33/02 (2006.01)
CPC G11B 5/5573 (2013.01) [G11B 5/5578 (2013.01); G11B 33/022 (2013.01); G11B 2220/2516 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A data storage device comprising:
a plurality of disk media rotatably mounted on a spindle;
a first head slider comprising a read-write head configured to write to and to read from a first disk medium of the plurality of disk media;
a first rotary actuator configured to move the first head slider to access portions of the first disk medium via actuation by a first voice coil motor assembly (VCMA);
a second head slider comprising a read-write head configured to write to and to read from a second disk medium of the plurality of disk media;
a second rotary actuator configured to move the second head slider to access portions of the second disk medium via actuation by a second voice coil motor assembly (VCMA);
an enclosure base; and
a central support plate positioned between the first VCMA and the second VCMA and to which the first VCMA is directly fastened via at least one threaded fastener and corresponding first threaded hole of the central support plate and/or at least one threaded fastener and corresponding threaded insert inserted in the central support plate, wherein the central support plate is directly fastened to and in direct contact with the enclosure base with a respective fastener at a plurality of locations.