Patent · US Expired

Rolling/sliding member

US5520987A · kind A · utility

4Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1994
Grant dateMay 28, 1996
Priority date
Expiry dateJul 6, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rolling/sliding member for use in conditions of rolling and/or sliding contact with a mating member opposed to the rolling/sliding member under the following conditions; (a) the rolling/sliding member are formed with a large number of fine protrusions and depressions in at least the surface area which comes into contact with the mating member, (b) the total volume per unit area of the fine depressions is in the range of 5.times.10.sup.-8 to 5.times.10.sup.-7 cc/mm.sup.2, and (c) the average volume of the fine depression is 10 to 100 .mu.m.sup.3.

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