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:
Aug. 30, 2016
Filed:
Mar. 14, 2012
Applicants:
Simon Schreiber, Schwaebisch Gmuend, DE;
Hermann Grau, Durlangen, DE;
Krzysztof Krukowski, Alfdorf, DE;
Inventors:
Simon Schreiber, Schwaebisch Gmuend, DE;
Hermann Grau, Durlangen, DE;
Krzysztof Krukowski, Alfdorf, DE;
Assignee:
TRW Automotive GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B60R 22/46 (2006.01); F15B 15/19 (2006.01);
U.S. Cl.
CPC ...
B60R 22/4633 (2013.01); F15B 15/19 (2013.01); B60R 2022/4661 (2013.01);
Abstract
A linear drive, especially for a belt tensioner, includes a housing () including a piston seat (), a piston element () accommodated in the piston seat () and a pyrotechnical drive element adapted to supply gas for displacing the piston element (). The inner wall of the piston seat () includes a groove () extending in the displacing direction (R) of the piston element () through which gas can flow off the piston seat ().