Patent · US Active

Actuator for a motor vehicle, more specifically for a motor vehicle seat

US7966900B2 · kind B2 · utility

11Cited by

7References

22Claims

0Family size

Assignee

C. Rob. Hammerstein GmbH & Co. KG · DE

Inventors

Burckhard Becker · Solingen, DE
Thomas Arndt · Bad König, DE

Key dates

Filing date	Aug 22, 2007
Grant date	Jun 28, 2011
Priority date	—
Expiry date	Nov 19, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19902
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

An actuator for a motor vehicle with an electric motor having an output shaft, a gearbox that is connected to the output shaft that includes a spindle nut, and a spindle that engages the spindle nut. The spindle nut comprises one main portion and at least one axial socket. The axial socket: (a) is solidly connected to the main portion, more specifically is integral with the main portion, (b) comprises an internal thread cooperating with the spindle and (c) is configured to be radially elastic. An elastic element is provided which fits against the axial socket and pushes the internal thread thereof into engagement with the spindle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.