Air vane latch incorporating a cam pin on the actuator
US6462912B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1995 |
| Grant date | Oct 8, 2002 |
| Priority date | — |
| Expiry date | Jul 3, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B21/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved latch system for use in a disc drive is provided including an improved means for eliminating tolerances in the parked position of the actuator arm in the landing zone on the disc. According to this system, the latch system includes latch arm having a rotary engaging portion which engages a portion of the transducer support arm or actuator arm in the disc drive to prevent movement of the transducer when the shock appears; this latch arm is directly coupled to an air vane which extends parallel to the edge of the disc in a region nearly adjacent to the actuator arm and at a distance at a center of the disc which is just greater than the radius of the disc so that the vane extends partially along an arc or a line near to the edge of the disc. The latch arm and vane are arranged so that in the presence of disc rotation, wind generated by the disc presses against the vane, and the vane moves away from the disc. As it does so, the latch arm disengages the actuator arm, allowing it to move freely back and forth over the surface of the disc to locate the transducer over various tracks. When disc rotation ceases, the vane returns to its position adjacent the edge of the disc, an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.