Patent · US Active

Belt retractor for a safety belt system and method to determine a belt webbing withdrawal in a belt retractor

US7891596B2 · kind B2 · utility

6Cited by

8References

14Claims

0Family size

Assignee

TRW AUTOMOTIVE GMBH · DE

Inventors

Wolfgang Holbein · Alfdorf, DE
Michael Stuetz · Radolfzell, DE
Marc Arndt · Schwäbisch Gmünd, DE

Key dates

Filing date	Jul 11, 2007
Grant date	Feb 22, 2011
Priority date	—
Expiry date	Jul 2, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2022/4825
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A belt retractor for a safety belt system has a belt spool and a belt webbing withdrawal measurement arrangement, which has a control disk, a magnetic sensor element and a magnetic cogwheel driven by the control disk and constructed as a separate part. In addition, a method is described to determine the belt webbing withdrawal in a belt retractor.

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