Patent · US Expired

Protection arrangement

US7144327B2 · kind B2 · utility

1Cited by

4References

10Claims

0Family size

Assignee

GKN Walterscheid GmbH · DE

Inventors

Herbert Coenen · Hennef (Sieg), DE
Paul Herchenbach · Ruppichteroth, DE
Markus Stommel · Siegburg, DE

Key dates

Filing date	Nov 5, 2004
Grant date	Dec 5, 2006
Priority date	—
Expiry date	Dec 30, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S56/24
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A protection arrangement for a double universal joint (1) for drives of agricultural implements has a first protection element (11), an annular second protection element (15) and a third protection element (18). The first protection element (11) has first holding projections (14) circumferentially distributed on its outer circumference (13) close to the first front edge. The first holding projections (14) project beyond the outer circumference (13) and form at least over a circumferential edge portion, distanced to the first front edge, a groove. A support tab projects beyond the first front edge. The second protection element (15) has second holding projections (17) circumferentially distributed on its outer circumference close to the second front edge. The second holding projections (17) project beyond the outer circumference and form, at least over a first circumferential edge area close to the second front edge, a second groove. An undercut portion is formed over a second circumferential edge area distanced to the second front edge. The third protection element (18) has holding portions at both ends. The holding portions include a number of first through holes (20) or second th…

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