Patent · US Active

Belt retractor for a safety belt system

US7850111B2 · kind B2 · utility

0Cited by
6References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 2008
Grant dateDec 14, 2010
Priority date
Expiry dateFeb 20, 2028

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2022/469
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A belt retractor for a safety belt system has a frame (2), a belt reel (4) rotatably mounted in the frame (2) for receiving a belt webbing, a reversible belt tensioning unit with a motor (8), an irreversible belt tensioning unit, and a coupling mechanism, by means of which the reversible belt tensioning unit can be coupled to the belt reel (4) and which can be deactivated and reactivated, the coupling mechanism being deactivated when the irreversible belt tensioning unit is activated and the coupling mechanism being reactivated after termination of the irreversible belt tensioning.

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