Composite roll bearing

Details Composite roll bearing Composite roll bearing

2004-03-30

2009-12-29

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Antifriction bearing

C384S452000, C384S577000

Reexamination Certificate

active

07637664

ABSTRACT:
A composite roll bearing (1), comprising an outer ring (2) and an annular inner ring (3) of groove shape in cross section having first, second, and third receiving surfaces (3a,3b,3c) facing the both end face inner peripheral portions (2a,2b) and the circular inner peripheral surface (2c) of the outer ring (2) at specified intervals. A plurality of rollers (4) for thrust bearing are installed between one end face portion (2a) of the outer ring (2) and the first receiving surface (3a) of the inner ring (3) and between the other end face (2b) of the outer ring (2) and the second receiving surface (3b) of the inner ring (3). A plurality of rollers (5) for radial bearing are installed between the circular inner peripheral surface (2c) of the outer ring (2) and the third receiving surface (3c) of the inner ring (3). The rollers (5) are restricted to move in a thrust direction by retainer portions (8a,8a) formed at the inner ends of retainers (6, 7) for the rollers (4) for thrust bearing.

REFERENCES:
patent: 1523531 (1925-01-01), Bugatti
patent: 3304137 (1967-02-01), Strassberg
patent: 3652141 (1972-03-01), Husten et al.
patent: 4895461 (1990-01-01), Stella
patent: 6179474 (2001-01-01), Podhajecki
patent: SHO 55-9974 (1980-01-01), None
patent: HEI 01-98917 (1989-07-01), None
patent: 06-213230 (1994-08-01), None
International Search Report dated Aug. 3, 2004 (2 pages).

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