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:
Oct. 14, 2014
Filed:
Nov. 16, 2011
Alexander Kiforiuk, Ebersbach an der Fils, DE;
Dennis Kontner, Goppingen, DE;
Jules Ngamga Nzepa, Schwaikheim, DE;
Philippe Steck, Belp, CH;
Alexander Kiforiuk, Ebersbach an der Fils, DE;
Dennis Kontner, Goppingen, DE;
Jules Ngamga Nzepa, Schwaikheim, DE;
Philippe Steck, Belp, CH;
ThyssenKrupp Presta AG, Eschen, LI;
Abstract
Ball screw comprising a ball nut (), which is rotatably mounted on a threaded shaft and on the inner circumference of which at least one ball thread () wound around an axis () in a coil shape is provided for balls () to roll on, wherein at least one recirculating element (), which is arranged on the outer circumference of the ball nut () and which is provided with a recirculating channel for the balls (), connects a start of a coil to an end of a coil of the ball thread by means of the two ends of the recirculating element in order to enable endless recirculation of the balls (), wherein the ball nut () is provided with a flange () for fastening a belt pulley () and with a bearing seat (), and a sleeve () pushed onto the ball nut is provided with a perfectly cylindrical outer circumferential surface, which outer circumferential surface secures the recirculating element () on the ball nut () and surrounds the ball nut () in a tubular shape between the flange () and the bearing seat ().