Patent · US Active

Reversible belt tensioner for vehicle occupant restraint systems

US8777268B2 · kind B2 · utility

7Cited by

47References

27Claims

0Family size

Assignee

TRW AUTOMOTIVE GMBH · DE

Inventors

Wolfgang Holbein · Alfdorf, DE
Artur Klein · Lorch, DE
Nathalie Kramer · Alfdorf, DE
Martin Prokscha · Schwäbisch Gmünd, DE
Stefano Roehm · Schorndorf, DE

Key dates

Filing date	Dec 8, 2011
Grant date	Jul 15, 2014
Priority date	—
Expiry date	Dec 8, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2022/1957
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention relates to a reversible belt tensioner (10) comprising a drive motor (12), a spindle (14) connected to the drive motor (12), a spindle nut (16) adapted to be displaced in axial direction (18) on the spindle (14), a catch (20) the one end of which is connected to the spindle nut (16) and a belt buckle (22) connected to the other end of the catch (20), wherein at least one of the following features prevents the spindle nut (16) from jamming during travel against block:

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