Patent · US Expired

Drive unit for a safety belt tensioner

US7207515B2 · kind B2 · utility

0Cited by

4References

10Claims

0Family size

Assignee

Takata-Petri (Ulm) GmbH · DE

Inventors

Robert Kopetzky · Lonsee, DE
Roland Schnabl · Ulm, DE
Andreas Wengert · Mutlangen, DE
Gunter Maierhofer · Berlin, DE
Dieter Beck · Gerstetten, DE

Key dates

Filing date	Feb 19, 2002
Grant date	Apr 24, 2007
Priority date	—
Expiry date	May 20, 2024

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R22/4676
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention relates to a drive unit for a safety belt tensioner which has a drive which can be triggered on the response of an acceleration sensor and which can be rotationally fixedly coupled to the belt winding reel. The drive is located in a drive chamber which is formed by two plates, which extend parallel to one another and which are provided with a coating material, and which has a drive band of which at least one end is fastened to a drive shaft.

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