Reduction gear and an electric actuator including such a reduction gear
US8597157B2 · kind B2 · utility
4Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2011 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | May 28, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2001/2881
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
This reduction gear of an electric actuator (1) for driving a home screen, the reduction gear comprises a reduction stage having a sun gear (42) meshing with at least one planet gear (46, 46′) rotating about a respective shaft (47) and positioned in a drum (45), the planet gear meshing with a stationary ring (48) to drive the drum (45) in rotation about an axis of rotation (X4). The reduction gear further comprises first guide means (43) serving both to guide the sun gear (42) in rotation and to guide the drum (45) in rotation about the axis of rotation (X4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.