Patent · US Expired

Thin-walled bearing bushings manufactured by a deep drawing process

US4429926A · kind A · utility

2Cited by

3References

6Claims

0Family size

Assignee

SKF Kugellagerfabriken GmbH · DE

Inventors

Armin Olschewski · Schweinfurt, DE
Manfred Brandenstein · Aschfeld, DE
Heinrich Kunkel · Schweinfurt, DE
Hermann Hetterich · Heidenfeld, DE
Peter Horling · Schweinfurt, DE
Lothar Walter · Schweinfurt, DE

Key dates

Filing date	Jul 17, 1981
Grant date	Feb 7, 1984
Priority date	—
Expiry date	Jul 17, 2001

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2361/41
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

Thin-walled bearing bushing produced in a drawing process for the support of pins in universal joints comprising an elongated generally cylindrical sleeve section and a bottom section forming an end closure at one axial end of said sleeve section, the juncture of the peripheral surface of said sleeve section and the outer axial end face of said bottom section defining an outer rim having at least portions of a small cross sectional radius (r), and means defining at least a pair of separate circumferentially extending spaced grooves in the bottom section adjacent said peripheral rim.

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