The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2015
Filed:
Oct. 12, 2010
Christian Fischer, Hamburg, DE;
Martin Schmidt, Elmshorn, DE;
Matthias Steinberg, Kiebitzreihe, DE;
Michael Pech, Hamburg, DE;
Tobias Voss, Klein Nordende, DE;
Thomas Schmidt, Timmendorfer Strand, DE;
Simone Mesecke-rischmann, Hamburg, DE;
Christian Fischer, Hamburg, DE;
Martin Schmidt, Elmshorn, DE;
Matthias Steinberg, Kiebitzreihe, DE;
Michael Pech, Hamburg, DE;
Tobias Voss, Klein Nordende, DE;
Thomas Schmidt, Timmendorfer Strand, DE;
Simone Mesecke-Rischmann, Hamburg, DE;
AUTOLIV DEVELOPMENT AB, Värgärda, SE;
Abstract
A tensioning device () for a seat belt, in particular in a motor vehicle, having a gas generator () and a piston () guided in a tube () that closes a pressure space () in the tube (), whereas the pressure space () can be pressurized by the gas generator (), as a result of which the piston () can be driven to perform a tensioning operation which can be transmitted to the seat belt by means of the force transmission means. The piston () having a closed or constricted opening (), and the opening () can be enlarged and/or opened by the material erosion caused by the pressure and/or pressure conditions in the pressure space ().