Patent · US Active

Tensioning drive for a safety belt device

US9463772B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

TAKATA CORPORATION · JP

Inventors

Wolfgang Schrade · Ottobeuren, DE
Hans-Juergen Divo · Langenau, DE
Armin Toth · Blaustein, DE
Robert Fleischmann · Neu-Ulm, DE
Gerhard Klingauf · Balzheim, DE
Heinrich Einsiedel · Ulm, DE
Ruediger Paulsen · Ulm, DE

Key dates

Filing date	May 30, 2014
Grant date	Oct 11, 2016
Priority date	—
Expiry date	Sep 17, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2022/4642
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A tensioning drive for a safely belt device. The tensioning drive includes a gas generator, a drive wheel and a supply pipe which connects the gas generator and the drive wheel. A plurality of pushing members is included in the supply pipe. The pushing members are accelerated after the gas generator has been activated. The pushing members drive the drive wheel, and at least one of the pushing members completely or at least partially seals the supply pipe. The sealing action of the at least one sealing pushing member is ended or reduced after a predetermined distance has been travelled.

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