Barrel-shaped bearing

Details Barrel-shaped bearing Barrel-shaped bearing

2008-03-04

2008-03-04

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Antifriction bearing

C384S568000, C384S574000

Reexamination Certificate

active

07338213

ABSTRACT:
A barrel-shaped bearing which comprises an external ring and an internal ring, at least one row of barrel-shaped rolling bodies arranged therebetween, the cage in the form of a disk which turns together with the rolling bodies, engages inside a peripheral groove around each rolling body and is provided with recesses corresponding to the number of the rolling bodies of the one row arranged on the external periphery of the cage. The total rolling surface of the internal ring is embodied such that the cross section thereof is concave along the entire axial length of the rolling body. The smallest distance between both sides of the cavity of the disk-shaped cage in the area of the external periphery thereof is less than the diameter of a rolling body in the area of the peripheral groove thereof.

REFERENCES:
patent: 137415 (1873-04-01), Burr
patent: 574988 (1897-01-01), Ferrall
patent: 1018324 (1912-02-01), Kempster
patent: 1454057 (1923-05-01), Kuttner
patent: 1806279 (1931-05-01), Booth
patent: 2016526 (1935-10-01), Tyson
patent: 4010527 (1977-03-01), Swanson
patent: 6247847 (2001-06-01), Lob
patent: 391 950 (1924-03-01), None
patent: 663 179 (1938-07-01), None
patent: 0 684 408 (1995-11-01), None
International Search Report for PCT /DE03/03868 dated May 6, 2004.

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