Patent · US Active

Driving wheel for seatbelt tensioners and seatbelt tensioners for a seatbelt system

US9555767B2 · kind B2 · utility

2Cited by

2References

14Claims

0Family size

Assignee

TRW AUTOMOTIVE GMBH · DE

Inventors

Bernd Gentner · Ellwangen (Jagst), DE
Thomas Moedinger · Alfdorf, DE
Andreas Pregitzer · Ellwangen (Jagst), DE

Key dates

Filing date	Aug 11, 2011
Grant date	Jan 31, 2017
Priority date	—
Expiry date	Mar 25, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2022/4647
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A drive wheel for a belt tensioner is adapted to be coupled to a belt reel and includes an external tooth system including plural teeth distributed along the circumference. The teeth are inclined in a first circumferential direction and/or the teeth have at least one end face facing away from the central axis of the drive wheel and being inclined in a first circumferential direction and/or the clearances between neighboring teeth are not symmetrical with respect to planes defined by radial and axial directions. The teeth have no symmetry with respect to planes extending tangentially relative to the circumferential direction.

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