Shaft bearing retainer

Details Shaft bearing retainer Shaft bearing retainer

2007-04-03

2007-04-03

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

Reexamination Certificate

active

10689934

ABSTRACT:
A retainer for holding bearings within a shaft bearing has C-shaped pockets for holding the bearings. Between the pockets are connecting portions, which are close to the openings of the pockets. The rear sides of adjacent pockets and the rear side of the connecting portion for the adjacent pockets form a concave site that is deeply gouged into the retainer. The bottom of the concave site is closer to the openings than the bottom of the pockets, thereby allowing base oil from grease in the concave site to better migrate onto the bearings and so lubricate the shaft bearing.

REFERENCES:
patent: 4941759 (1990-07-01), Dreschmann et al.
patent: 5137376 (1992-08-01), Gutsche et al.
patent: 6406189 (2002-06-01), Boutreux et al.
patent: 6416230 (2002-07-01), Staudigel et al.
patent: 0 644 344 (1995-03-01), None
patent: 993 520 (1951-11-01), None
patent: 61215811 (1986-09-01), None
patent: 08277843 (1996-10-01), None
European Search Report for European Patent Application Serial No. 03256787 mailed Jul. 26, 2004.

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