Patent · US Active

Seatbelt retractor and method for controlling a seatbelt retractor

US11447094B2 · kind B2 · utility

0Cited by

5References

18Claims

0Family size

Assignee

TRW AUTOMOTIVE GMBH · DE

Inventors

Michael Sautter · Ludwigsburg, DE
Philipp Göltz · Rudersberg, DE
Markus Däuber · Bartenbach, DE
Marco Braun · Bukit Mertajam, MY

Key dates

Filing date	May 17, 2018
Grant date	Sep 20, 2022
Priority date	—
Expiry date	Mar 20, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2022/289
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A belt retractor comprises a frame (10), a belt reel (12) rotatably arranged in the frame (10) and having a first end (16) and an opposite second end (17) as well as comprising a blocking mechanism (18) arranged at an end face of the belt reel (12) by which the belt reel (12) can be blocked within the frame (10). The belt retractor further comprises an axially extending first load limiter which is releasably coupled to the belt reel (12) by means of a disconnecting clutch (24), a second load limiter which is coupled to be rotationally fixed to the first load limiter or a hub, and a third load limiter which can be coupled to be rotationally fixed to the belt reel (12) by means of a connecting clutch (38). Moreover, a method for controlling such belt retractor is provided.

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