Half thrust bearing

Details Half thrust bearing Half thrust bearing

1998-11-06

2000-11-21

Footland, Lenard A.

Bearings

Rotary bearing

Plain bearing

384294, F16C 1704

Patent

active

061493104

ABSTRACT:
There is disclosed a half thrust bearing of a substantially semi-circular shape. A thrust relieve 22, slanting toward a confronting end of the half thrust bearing progressively away from a bearing surface of a half thrust bearing, is formed at each of circumferentially-spaced opposite end portions of the bearing surface by pressing (cold forging), so that those portions of the bearing surface, disposed adjacent respectively to the thrust relieves 22, are higher in strength than the other portions of the bearing surface. With this construction, even if a thrust collar of a crankshaft abuts against localized portions of the bearing surface disposed adjacent to the thrust relieves 22, a bearing alloy will not subjected to premature fatigue and separation.

REFERENCES:
patent: Re32764 (1988-10-01), Smith et al.
patent: 4714356 (1987-12-01), Damour et al.

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