Ball joint
US3945739A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 25, 1974 |
| Grant date | Mar 23, 1976 |
| Priority date | — |
| Expiry date | Nov 25, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32811
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A ball joint which comprises a metallic housing, a resilient bearing of polymer disposed in said housing, a ball stud having a metallic spherical member rotatably supported by said bearing, and at least one resilient metallic closure plate so secured as to close an open end of said housing for applying pre-load to said bearing, and the spherical member is at its annular surfaces opposed to the opposite open ends of the housing and a depression in the closure plate with a slight clearance or under a light contact pressure but being elastically in contact with the bearing between the annular surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.