Patent · US Expired

Bearings

US5660482A · kind A · utility

15Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1995
Grant dateAug 26, 1997
Priority date
Expiry dateDec 20, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S384/913
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A sliding contact bearing, especially an aircraft landing gear trunnion beating, comprises two bearing members (1, 3) composed of titanium or titanium alloy with cooperating sliding surfaces (2, 4), a first one of which is chromium plated and the second one of which is coated with nickel and fluorocarbon polymer. Preferably, the nickel coating is applied by an electroless plating process, and the fluorocarbon is infused into pores in the nickel plating. Preferably, the nickel and fluorocarbon coating is 0.025 to 0.041 mm thick, and has a hardness in the range 750-1000 VPN.

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