Centered double universal joint

US6616536B2 · kind B2 · utility

Assignee

• GKN Walterscheid GmbH · DE

Inventors

• Paul Herchenbach · Ruppichteroth, DE
• Martin Hector · Siegburg, DE
• Eberhard Wilks · Speicher, DE

Key dates

• Filing date: Jul 19, 2002
• Grant date: Sep 9, 2003
• Expiry date: Jul 19, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S464/905
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A centered double universal joint has a first outer joint yoke 1 with first outer yoke arms 2 connected to one another by a first bridge 3. A first cenering mechanism 4, 6 is on the first bridge 3. A first inner joint yoke 8 couples with the first inner yoke arms. A first cross member 10 connects the first outer yoke arms 2 to the first inner yoke arms. The first cross member 10 has a first lubricant supply 44, 47. A second outer joint yoke 12 with second outer yoke arms 13 are connected to one another by a second bridge 14. Second centering mechanism 15, 17 is on the second bridge 14. A second inner joint yoke 19 couples with the second inner yoke arms. A second cross member 21 connects the second outer yoke arms 13 to the second inner yoke arms. The second cross member 21 has a second lubricant supply 44′, 47′. A guiding disc 25, defining a longitudinal axis 31, has a first central centering projection 28 articulatably connected to the first centering means 4, 6. Guiding faces 32, 33 on the guiding disc 25 are guided in an annular recess 24 of a housing 9, 20. The annular recess 24 is delimited by a first sealing face 54 and by a second sealing face 55. A first lubric…