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:
Mar. 28, 2006
Filed:
Nov. 15, 2000
Alexander Zernickel, Herzogenaurach, DE;
Rolf Fleischhauer, Furth, DE;
Alexander Zernickel, Herzogenaurach, DE;
Rolf Fleischhauer, Furth, DE;
INA-Schaeffler KG, , DE;
Abstract
In a ball screw drive comprising a spindle (), a nut () surrounding the spindle (), and balls () arranged between the spindle () and the nut (), which balls () are in rolling contact with a screw track () formed on the spindle () and on corresponding screw tracks () formed on rings arranged within the nut () comprises a deflecting region for returning the balls () from a run-out end of a common turn of the screw tracks () to a run-in end of this turn, the screw tracks () of the rings arranged in the nut () are made on front faces of these rings with the screw tracks () of two adjacent rings defining together with the screw track () of the spindle (), an endless circulation channel for the balls ().