Patent · US Expired

Ball joint

US3945739A · kind A · utility

20Cited by
7References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 25, 1974
Grant dateMar 23, 1976
Priority date
Expiry dateNov 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.