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US 8,057,105 B2Granted
Cage for a roller bearing and a roller bearing
AssigneeCooper Roller Bearings Company Ltd
InventorsBrian Edward Earthrowl, Martin Janek Caspall
Life of this patent
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Abstract
A cage for use in a roller bearing, said cage comprising a pair of generally semicircular molded plastic parts joined together, the molded plastic parts each comprising a set of pockets for receiving and locating rollers, and releasable fixings at their ends, wherein two generally semicircular molded plastic parts are detachably interconnected to each other by inter-engagement of their respective releasable fixings to form a complete generally circular cage.
Claims11
A cage for use in a roller bearing, said cage comprising:
- a pair of generally semicircular moulded plastic parts joined together having releasable fixing means at their ends, the generally semicircular moulded plastic parts each comprising a set of pockets for receiving and locating rollers,
- said pair of generally semicircular moulded plastic parts being detachably interconnected to each other by inter-engagement of the releasable fixing means to form a complete generally circular cage, and
- wherein the diameter of the generally circular cage, when assembled from the pair of generally semicircular moulded plastic parts, is less when measured between the interconnections between the pair of generally semicircular moulded plastic parts (D1) than at right angles thereto (D2) according to the formula:
- 0.5>(D2−D1)/D1>0.005.
1 more element
A cage for use in a roller bearing, said cage comprising:
- a pair of generally semicircular moulded plastic parts joined together having releasable fixing means at their ends, the generally semicircular moulded plastic parts each comprising a set of pockets for receiving and locating rollers,
- said pair of generally semicircular moulded plastic parts being detachably interconnected to each other by inter-engagement of the releasable fixing means to form a complete generally circular cage,
- the diameter of the generally circular cage, when assembled from the pair of generally semicircular moulded plastic parts, is less when measured between the interconnections between the pair of generally semicircular moulded plastic parts (D1) than at right angles thereto (D2) according to the formula:
- 0.5>(D2−D1)/D1>0.005, and
- wherein the cage includes a surface for engaging with a clamping ring in the assembled bearing, said cage surface gripping with the clamping ring at low speeds of rotation of the bearing.
2 more elements
Dependencies are inferred from the claim text.