Linear actuator mechanism
US5836205A · kind A · utility
57Cited by
10References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1997 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Feb 13, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20354
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A linear actuator has four drive gears which engage two racks. The actuator movable member may comprise two racks which have gear teeth which face inwardly and towards each other, or a single rack which has gear teeth which faces outwardly. In either case, four gear drives to engage the rack, two gear drives on each side. A plurality of linear actuators may be used to provide for position control in two or more directions. Control is provided by a servo mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.