Patent ID: 6110023
Filing Date: 2000-08-29
Classification: B24B,F16C

Abstract:
A sphere grinding apparatus comprising:a rotational disc having at least one sphere guide groove;a non-rotatable disc mounted on a housing and disposed opposite to said rotational disc and apart from said rotational disc by a predetermined distance, said non-rotatable disc having a sphere guide groove opposed to each sphere guide groove of said rotational disc so as to guide spheres to be ground therebetween;a rotational mechanism for rotating said rotational disc;a conveyor for accommodating and conveying said spheres between an inlet and an outlet formed in at least one passage defined by the respective sphere guide grooves;a pressing mechanism for pressing at least one of said rotational disc and said non-rotatable disc towards the other; anda central shaft slidable in an axial direction and joined to said rotational disc;wherein the central shaft passes through said non-rotatable disc and is rotatably supported in said housing.