Patent · US Active

Rolling device

US8454241B2 · kind B2 · utility

1Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 2007
Grant dateJun 4, 2013
Priority date
Expiry dateMar 29, 2029

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2300/42
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rolling device in which rust development or damage on a raceway surface or rolling surface is hard to occur even if water and the like intrude is provided. A self-aligning roller bearing comprises an inner ring 1, an outer ring 2, and a plurality of rolling elements 3 disposed rotatably between a raceway surface 1a of the inner ring 1 and a raceway surface 2a of the outer ring 2. At least any one of the inner ring 1, the outer ring 2, and the rolling elements 3 is provided with a metal coating formed by shot peening of a powder of metal less noble than iron at least on a part of its surface.

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