Patent · US Active

Joint bearing

US7891878B2 · kind B2 · utility

3Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 2006
Grant dateFeb 22, 2011
Priority date
Expiry dateFeb 12, 2027

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C23/04
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a spherical plain bearing, having an inner ring with a spherically curved outer surface and an outer ring having a spherically curved inner surface, a seal being arranged in a continuous groove in the outer ring. The seal has an annular support and rubs against the outer surface of the inner ring. The seal has two mutually spaced resilient sealing lips facing in opposite directions. The first sealing lip being oriented outwards and the second sealing lip being oriented inwards.

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