Electro-thermal scratch drive actuator
US6877316B1 · kind B1 · utility
5Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2003 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Nov 21, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB81B2203/051
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A scratch drive actuator (SDA) device comprising a drive shoe and an actuator. The drive shoe has a first drive shoe position and a second drive shoe position and is configured to urge a shuttle from a first shuttle position to a second shuttle position. The actuator is coupled to the drive shoe and is configured to expand and contract in response to exposure to thermal energy, wherein the expansion and contraction of the actuator each urge the drive shoe towards a corresponding one of the first and second drive shoe positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.