Drive device
US7992460B2 · kind B2 · utility
10Cited by
6References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2007 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/19726
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drive device for a hatch of a motor vehicle, wherein a spindle drive is provided with a threaded spindle and a spindle nut mounted on the threaded spindle, by which drive the first fastening element and the housing tube can be driven axially relative to each other. The spindle drive can be rotatably driven by an electric motor. The threaded spindle has a thread with a lead that changes over the length of the threaded spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.