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:
Jul. 14, 2015
Filed:
Mar. 14, 2013
Autoliv Asp, Inc., Ogden, UT (US);
Christopher Koprowicz, Macomb, MI (US);
Thomas Garvey, Waterford, MI (US);
Susan Richards, Sterling Heights, MI (US);
Autoliv ASP, Inc., Ogden, UT (US);
Abstract
A torsion bar having progressive load limiting characteristics for use in a vehicle restraint system is provided. The torsion bar includes a longitudinal main body portion having a first end for mounting to a belt retractor spindle and a second end for being engaged and disengaged with a seatbelt locking mechanism. The main body portion includes a longitudinal slot extending transversely therethrough that defines an opening therein. The torsion bar will twist in response to a first torsional load, which will cause the opening to become closed. When the opening becomes closed, the torsion bar with withstand twisting up to a second torsional load, where the torsion bar will twist again in response to the second torsional load.