Patent · US Active

Ball screw

US9593752B2 · kind B2 · utility

9Cited by

2References

6Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Dieter Adler · Herzogenaurach, DE
Stefanie Oeder · Baudenbach, DE
Sigurd Wilhelm · Herzogenaurach, DE
Bernhard Wiesneth · Erlangen, DE
Nicky Heinrich · Neustadt an der Aisch, DE

Key dates

Filing date	Nov 29, 2013
Grant date	Mar 14, 2017
Priority date	—
Expiry date	Nov 29, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19744
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A ball screw (1) having a threaded nut (3) arranged on the threaded shaft (2) and a ball channel (4) wound about the longitudinal axis of the threaded shaft (2), and in which the balls (5) and at least one helical spring (6) are received. This helical spring (6) is supported on a molded part (7) which is inserted into a recess (8) of the threaded nut (3) and closes the recess (8).

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