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. 16, 2003
Filed:
Aug. 09, 2002
Autoliv Development AB, , CH;
Abstract
A safety belt retractor is provided as a safety system in motor vehicles. The belt shaft is mounted in a U-shaped housing and serves as a carrier for a belt strap wound thereon. A rotation dampener is provided as a force limiting element and acts upon the belt shaft. The rotation dampener comprises: a cylindrical housing filled with a highly viscous medium, at least one apertured disk fixedly disposed in the cylindrical housing, and at least one disk piston disposed in the cylindrical housing parallel to the apertured disk, wherein the disk piston is fixedly connected to the belt shaft, the rotation of which is to be dampened, and wherein the disk piston is provided with a radially extending piston wing that rotates upon rotation of the disk piston.