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:
Jan. 05, 2021
Filed:
Jan. 16, 2017
Autoliv Development Ab, Vargarda, SE;
Saravana Shanmugam, Bangalore, IN;
Abhijeet Atwadkar, Bangalore, IN;
Vijay Shetty, Bangalore, IN;
Thouseef Aqeeb, Bangalore, IN;
Andreas Lucht, Horst, DE;
Geert Helge Wittenberg, Norderstedt, DE;
Carstensen Holger, Husum, DE;
Patrick Süllau, Henstedt-Ulzburg, DE;
Günter Clute, Elmshorn, DE;
AUTOLIV DEVELOPMENT AB, Vargarda, SE;
Abstract
A control method for an electric seatbelt retractor and an electric seatbelt retractor including a spindle () and a seatbelt () wound thereon, and an electric motor () driving the spindle () via a rotor () in pull-in or in pull-out direction when activated, and a sensor device () detecting the movement of the spindle (), wherein a spring () is provided, which is arranged between the spindle () and the rotor () enabling a relative movement of the spindle () to the rotor () or to a retractor-fixed part, wherein the electric motor () is controlled by a signal of the sensor device () generated by the relative movement of the spindle () to the rotor () or a retractor-fixed part with torsional tensioning or expanding the spring ().