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:
May. 25, 2021
Filed:
Jul. 14, 2016
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
SCHAEFFLER TECHNOLOGIES AG & CO. KG, Herzogenaurach, DE;
Abstract
A ball screw drive comprising a leadscrew that has at least one outer ball groove and comprising a threaded nut that has at least one inner ball groove, which ball grooves together to form a ball channel in which balls, via which the leadscrew is guided relative to the threaded nut, are accommodated, wherein in the ball groove of the threaded nut is provided at least one radially closed pocket in which a deflection element for deflecting the balls moving in the ball groove is accommodated, wherein the threaded nut has an outer deflection device, which outer deflection device is axially in front of the deflection element in the form of an individual deflection element, is situated on the outer side of the threaded nut and engages in two radial openings in the threaded nut, and by means of which outer deflection device the balls are axially offset.