Patent · US Expired

Ball joint

US4974985A · kind A · utility

13Cited by
8References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 30, 1989
Grant dateDec 4, 1990
Priority date
Expiry dateMay 30, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/32721
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A ball joint for use in motor vehicles and comprising a one-piece ball head (4) having a simplified construction, an increased bearing surface, and including a ball portion (11) of a smaller radius adjacent to the shank (5), an inner ball portion (10) of a greater radius both having the same center, and an annular shoulder (14) formed between the two ball portions (10, 11) and cooperating with an outer bearing shell half (3) for the smaller ball portion (11) which acts as a stop.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.