Patent ID: 9744659
Date: 2017-08-29
CPC Classifications: B25F,B27B,F16D,Y10T

Claim:
1. A material-processing device which is operatively rotated by a rotating spindle of a power tool, the material-processing device comprising: a material processing tool which has a substantially circular circumference, and which has a central opening entered concentrically in the material processing tool, and a hub structure configured to be disposed in the central opening and coupled to the material processing tool to form a slip clutch in integral embedment therein, wherein the hub structure has a cylinder portion and upper and lower flange portions extending from both ends of the cylinder portion, the cylinder portion being received in the central opening of the material processing tool and the upper and lower flange portions extending radially outward over a partial area of the material processing tool so as to sandwich the material processing tool in the partial area and so as to extend from an inner circumferential edge of the central opening of the material processing tool toward an outer circumferential edge of the material processing tool.