Low-profile ball screw cam elevator mechanism for cold storage data storage device
Номер патента: EP3704695A2
Опубликовано: 09-09-2020
Автор(ы): David Myers, Diep Nguyen
Принадлежит: Western Digital Technologies Inc
Опубликовано: 09-09-2020
Автор(ы): David Myers, Diep Nguyen
Принадлежит: Western Digital Technologies Inc
Реферат: An approach to a reduced-head hard disk drive (HDD) involves an actuator subsystem that includes a ball screw cam assembly wherein the number of starts of a multi-start screw equals the number of balls riding in a corresponding start. A stepper motor may be disposed within the screw, to drive rotation of the screw, which drives translation of an actuator arm assembly so that a corresponding pair of read-write heads can access different magnetic-recording disks of a multiple-disk stack. The actuator subsystem may further include a cam locking mechanism for coupling and decoupling the actuator arm with a coil support structure and corresponding voice coil, so that the cam mechanism is able to move under the control of a voice coil motor when input/output operations are performed and is able to move the actuator arm assembly during translation operations.
Low-profile ball screw cam elevator mechanism for cold storage data storage device
Номер патента: WO2020018664A3. Автор: David Myers,Diep Nguyen. Владелец: WESTERN DIGITAL TECHNOLOGIES, INC.. Дата публикации: 2020-03-12.