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. 11, 2013
Filed:
Apr. 03, 2009
Kiyoshi Ogawa, Yokohama, JP;
Kiyoshi Ogawa, Yokohama, JP;
Autoliv Development AB, Vargarda, SE;
Abstract
A seat belt retractor () is provided with: a spindle () around which a seat belt (B) is wound; a torsion bar () disposed in a cavity () of the spindle (), an axial end portion of the torsion bar () being attached to an axial end portion of the spindle (); a first pretensioner () that is attached to the spindle () at least during a collision so as to cause the spindle () to rotate in a retraction direction using a gas pressure; and a second pretensioner () that is attached to another axial end portion of the torsion bar () at least during a collision so as to cause the spindle () to rotate in the retraction direction via the torsion bar () using the gas pressure.