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:
May. 11, 2010
Filed:
Dec. 17, 2007
Applicants:
Wesley D. Pack, Leonard, MI (US);
David T. Schumann, Lenox, MI (US);
Inventors:
Wesley D. Pack, Leonard, MI (US);
David T. Schumann, Lenox, MI (US);
Assignee:
TK Holdings, Inc., Armada, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60R 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an inflator for an inflatable restraint system in an automobile, or more generally, a gas generator. The inflator includes an inflator body having a plurality of inflation apertures and defining a first combustion chamber wherein a first propellant charge is positioned. At least one annular spring containing a cushion is provided for maintaining the integrity of the shape of the propellant charge.