Patent · US Expired

Electrical insulating bearing

US5059041A · kind A · utility

30Cited by
3References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 11, 1990
Grant dateOct 22, 1991
Priority date
Expiry dateSep 11, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2202/30
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A bearing is provided with a rolling element interposed between an outer ring and an inner ring thereof. The outer ring of the bearing is formed by integrating three elements, a metallic outer ring body having a path of rotation for the rolling elements, an insulating thin film made of a polymer elastic material having an electrical insulating property and covering a portion where the outer ring body is mounted to a housing, and a thin metallic plate provided on an outer surface of the insulating thin film.

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