Metal-to-metal spherical bearing

Details Metal-to-metal spherical bearing Metal-to-metal spherical bearing

2007-01-23

2007-01-23

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Plain bearing

C384S912000, C384S913000

Reexamination Certificate

active

11041494

ABSTRACT:
A metal-to-metal bearing comprising a bearing housing of a first material and a ball of a second material held within the housing, the interface between the housing and the ball comprising two bearing surfaces, wherein one of the first and second materials is a titanium alloy having a diffusion zone near its surface to which is adhered a coating of titanium nitride to provide one of the bearing surfaces.

REFERENCES:
patent: 4434189 (1984-02-01), Zaplatynsky
patent: 4848934 (1989-07-01), Blakely et al.
patent: 6828041 (2004-12-01), Ueda et al.
patent: 0209925 (1987-01-01), None
patent: 1114940 (2001-07-01), None
UK Patent Office, Combined Search and Examination Report. Aug. 17, 2004; 2 pp.; correspoding GB App # 0407313.6.

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