Patent · US Active

Nut of a planetary roller screw drive, and method for producing such a nut

US9194470B2 · kind B2 · utility

1Cited by

13References

10Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Michael Kurz · Neustadt, DE
Dietmar Rudy · Kleinbundenbach, DE
Rainer Kleber · Rockenberg, DE
Thomas Motz · Herzogenaurach, DE
Horst Gredy · Bad Wildbad, DE
Matthias Dohr · Herzogenaurach, DE

Key dates

Filing date	May 2, 2011
Grant date	Nov 24, 2015
Priority date	—
Expiry date	Aug 7, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19795
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A nut (1, 13, 21, 25) for a planetary roller screw drive is provided. A sleeve (14) which is produced by metal forming is provided, and two rings (16) that lie at a fixed distance with respect to each other in the axial direction are provided in this sleeve. In order to engage planets (3), the one ring (16) has the one groove profile (18), and the other ring (16) has the other groove profile (18).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.