Importance

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Abstract

A conveyor roller comprises a roller tube fitted with end cap assemblies incorporating bearings for rotatably mounting the roller tube on a fixed shaft. Each end cap assembly comprises a housing molded in resilient plastics material, one portion of the housing forming a substantially rigid annular frame which supports the bearing, and another portion of the housing forming a spring support which surrounds the frame and is of a size to be a sliding fit within an end of the roller tube, the outer end of the support being spaced radially from the housing. An end cover has an annular flange which is a close fit in the bearing. The end cap assembly is secured in position by swaging the end of the tube so as to force the outer end of the spring support radially inwards against the rigid housing. The external surface of the housing is curved, so that the spring support and the end portion of the tube are deflected to the curvature of the external surface of the housing.

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First Claim