Trunnion seal and cross venting system for a cardan-type universal joint
US4419086A · kind A · utility
15Cited by
18References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 11, 1981 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Sep 11, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/928
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A mechanical, metal face type seal, lubrication and venting system for a universal joint of the type having a cross-shaped trunnion body with cylindrical bushings located at the outer ends of each of the trunnions. The seals consist of a metal face type seal having a pair of face seals with a bias that provides seal sealing of internal pressure. An elastomeric seal is provided and functions as a static seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.