Patent · US Expired

Bellows seal for ball and socket joints

US4419027A · kind A · utility

5Cited by
7References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 1981
Grant dateDec 6, 1983
Priority date
Expiry dateApr 6, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/32762
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a ball and socket joint comprising a ball and a socket in mutual swivelling sliding engagement with each other, the ball having a stud integrally formed at one end thereof and projecting outwardly through one end of the socket, the improvement consisting in forming the socket with a diverging frusto-conical flange extending in the direction of the stud and defining an integrally formed retention flange for a flexible oil-resistant seal having a bellows type body provided at one end with an annular band stretched over the periphery of the stud and at the other end with a reinforcing bead stretched over the retention flange.

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