Improvements relating to milking platforms

摘要

A wheel assembly ( 1 ) for supporting and guiding a rotating milking platform the assembly ( 1 ) having a metal hub ( 2 ) with sealed bearings ( 3 ) and an outermost nylon rim ( 4 ) supported by the metal hub ( 2 ) and interlocked therewith by a spring clip ( 5 ) positioned so as to be within each of a circumferential slot ( 6, 7 ) in an outer face of the metal hub ( 2 ) and an inner face of an outermost rim ( 4 ), where the outermost rim ( 4 ) is of a material other than metal with a low coefficient of friction.