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:
Dec. 03, 2013
Filed:
Mar. 25, 2008
Ernst Enzmann, Grassau, DE;
Silvia Michl, Wurmsham, DE;
Achim Hofmann, Tuessling, DE;
Rolf Ruckdeschl, Schwangau, DE;
Peter Roemer, Ampfing, DE;
Andreas Zehentmeier, Ampfing, DE;
Ernst Enzmann, Grassau, DE;
Silvia Michl, Wurmsham, DE;
Achim Hofmann, Tuessling, DE;
Rolf Ruckdeschl, Schwangau, DE;
Peter Roemer, Ampfing, DE;
Andreas Zehentmeier, Ampfing, DE;
TRW Airbag Systems GmbH, Aschau am Inn, DE;
Abstract
A pyrotechnic drive unit includes a cylinder tube () having an axial end (), a piston () guided in the cylinder tube (), a pyrotechnic igniter () which is adjacent to the piston () and constitutes the pyrotechnic drive, and a plastic part (). The plastic part () is injection-molded to the igniter () and to the axial end () of the cylinder tube () so that it fastens the igniter () to the cylinder tube () and tightly closes the axial end () of the cylinder tube (), the plastic part () engaging the piston () in an initial position of the drive unit ().