Universal joint

US4512679A · kind A · utility

Assignee

• Uni-Cardan AG · DE

Inventors

• Miloslav Petrzelka · Much, DE
• Herbert Taureg · Hennef (Sieg), DE

Key dates

• Filing date: Aug 3, 1982
• Grant date: Apr 23, 1985
• Expiry date: Aug 3, 2002

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T403/32041
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

In a universal joint wherein a pair of yokes of the joint are connected by a trunnion cross having journals which extend into bores of the respective yokes, and wherein a bearing bush and needle bearings are provided between the cross journal and the inner surface of the yoke bore, grooves which extend, relative to the joint center, from a point radially inwardly thereof to a point radially outwardly thereof are formed on at least a part of at least one of the inner surface of the yoke bore and the outer surface of the bearing bush.