Patent ID: 6494622
Filing Date: 2002-12-17
Classification: B65G,F16C,Y10S

Abstract:
A bearing wheel assembly comprising a shaft, an inner race mounted on said shaft, an outer race, bearing means between said inner and outer races, means for preventing rotation of said inner race relative to said shaft, means for preventing movement axially of said inner race relative to said shaft, and means for preventing loosening of said axial movement preventing means, wherein said shaft includes an end portion having a radially outer surface, said inner race has a radially inner surface, said rotation preventing means comprises means defining a pair of axially extending grooves in said shaft end portion outer surface and in said inner race inner surface respectively which in combination define a keyway, and a key receivable in said keyway, the assembly further comprising means for covering said keyway to prevent escape of said key therefrom, wherein said axial movement preventing means comprises a fastener and said keyway covering means comprises a head portion of said fastener, and wherein said loosening preventing means comprises means defining an other pair of axially extending grooves in said shaft end portion outer surface and in said inner race inner surface respectively which in combination define an other keyway, and an other key received in said other keyway and which abuts said head portion to prevent turning thereof.