Bearings – Rotary bearing – Antifriction bearing
Reexamination Certificate
2006-07-11
2006-07-11
Hannon, Thomas R. (Department: 3682)
Bearings
Rotary bearing
Antifriction bearing
C384S622000
Reexamination Certificate
active
07073951
ABSTRACT:
A thrust bearing assembly comprising first and second thrust race members (52, 60) and a roller assembly (22) positioned therebetween. The first thrust race member (52) includes a radial race surface (53), a flange extending from the race surface and a radial lip (54) extending radially beyond the flange (56). The second thrust race member (60) includes a radial race surface (61) and a piloting flange extending from the race surface and includes a retaining lip (64). The second thrust member (60) is positioned within the first thrust member (52) radial lip (54) and retained thereby and there is a clearance between the retaining lip (54) and the first thrust race member flange (56) external surface.
REFERENCES:
patent: 3981549 (1976-09-01), Carullo
patent: 3999816 (1976-12-01), Pitner
patent: 3999817 (1976-12-01), Bhateja et al.
patent: 4733979 (1988-03-01), Tsuruki
patent: 7139172 (1972-01-01), None
patent: 40 40 414 (1992-07-01), None
patent: 197 11 389 (1998-09-01), None
patent: 1.249.807 (1961-01-01), None
Axler Edward C.
Butler III Edward P.
Hannon Thomas R.
Michael & Best & Friedrich LLP
Timken US Corporation
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