Patent · US Active

Ball screw mechanism

US7628088B2 · kind B2 · utility

2Cited by

4References

11Claims

0Family size

Assignee

Ina Schaeffler KG · DE

Inventors

Jurgen Osterlanger · Emskirchen, DE
Dieter Adler · Herzogenaurach, DE
Manfred Kraus · Kehl, DE
Ralf Mayer · Weitra, AT

Key dates

Filing date	Aug 19, 2005
Grant date	Dec 8, 2009
Priority date	—
Expiry date	May 8, 2027

Classification

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

Abstract

The ball screw mechanism has spindle nut (1) arranged rotatably on a ball-rolling spindle (2) and between which balls (3) roll on ball grooves (4, 5). A driving wheel (20, 26) is fixed to the spindle nut (1), for driving the spindle nut. (1)The spindle nut (1) is mounted on a housing (8) by a rolling bearing (7). The bearing has an outer ring (9, 23) fixed to the housing (8) the outer ring (9, 23) has a ring (15, 29) surrounding the spindle nut (1), and a bearing running surface (10, 11) formed on the inner circumference of said the ring A radial flange (16, 28), adjoining the ring (15, 29), is fixed to the housing (8).

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