Patent · US Expired

Lubricated wide angle joint

US4490125A · kind A · utility

12Cited by

6References

3Claims

0Family size

Assignee

Jean Walterscheid GmbH · DE

Inventors

Mathias Konrad · Troisdorf, DE
Paul Herchenbach · Ruppichteroth, DE
Klaus Kampf · Lohmar, DE

Key dates

Filing date	Sep 23, 1982
Grant date	Dec 25, 1984
Priority date	—
Expiry date	Sep 23, 2002

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S464/905
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A wide angle joint which permits good lubrication in any of its possible angular positions is formed with joint cross pieces which are each provided on their interior sides with a partially spherical recess connected with at least one of the lubricating channels which extend through the joint cross pieces with spherical trunnions being provided which also have partially spherical shoulders reaching through a bridge which joins the outer yokes of the joint. The midpoints of the partially spherical recesses are the partially spherical shoulders lie at an intersecting point of the two axes of the joint cross piece and the spherical trunnions each have a bore hole extending in the axial direction.

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