Universal joint

US9879732B2 · kind B2 · utility

Assignee

• AKTIEBOLAGET SKF · SE

Inventors

• Padelis Katsaros · Schweinfurt, DE
• Volker Wendt · Thomashof, DE

Key dates

• Filing date: Sep 30, 2015
• Grant date: Jan 30, 2018
• Expiry date: Nov 26, 2035

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16D2300/08
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A universal joint includes a joint cross having a plurality of bearing journals, each bearing journal being supported in a bearing bushing by a plurality of trunnion bearing rolling elements, the universal joint also including a seal assembly configured to seal the journal cross against the bearing bushing. The bearing bushing includes a sleeve for slidingly supporting at least one seal lip of the seal assembly, the sleeve has an axially inner region facing the rolling elements, and the axially inner region has a radially inner portion and a radially outer portion. The radially inner portion is axially offset from the radially outer portion towards the rolling elements by an offset amount.