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:
Aug. 16, 2016
Filed:
Mar. 19, 2014
Ims Gear Gmbh, Donaueschingen, DE;
IMS Gear GmbH, Donaueschingen, DE;
Abstract
The invention is a belt tightening drive for tightening a seat belt that can be wound about a winding shaft, comprising a spindle shaft driven by a drive unit and a worm drive with a worm supported in a torque-proof fashion on the spindle shaft and a driven wheel, engaged therewith and supported in a torque-proof fashion on the winding shaft. According to the invention it is provided that the worm comprises a first toothed section with a first toothed geometry, wherein the first position of the worm the first toothed section engages the driven wheel, the worm comprises at least a first toothed section and following a second toothed section with a second toothed geometry, with the first and second toothed geometries being embodied differently.