Patent · US Active

Drive device

US7992460B2 · kind B2 · utility

10Cited by
6References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 2007
Grant dateAug 9, 2011
Priority date
Expiry dateJun 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.