Actuator latch device for hard disk drive
US7564654B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Oct 16, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/54
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An actuator latch device for locking an actuator of a hard disk drive, the actuator having a swing arm rotatably installed at a base member, a voice coil motor (VCM) coil provided at one end of the swing arm, and magnets oppositely arranged at the VCM coil. The actuator latch device includes a notch provided at one end of the swing arm; a latch lever, which is rotatably installed at a base member, having at a first end thereof a hook interfering with the notch to restrict one way rotation of the swing arm, and a counterbalance device at a second end thereof; and a stopper provided in the base member to block the counterbalance device to restrict a rotation of the latch lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.