Patent ID: 7909547
Filing Date: 2011-03-22
Classification: B23B,B25D,B27G,Y10S,Y10T

Abstract:
1. A tool element for cutting a workpiece, the tool element comprising: a body including a shank for connecting the tool element to a power tool; one of a projection and a recess formed as part of the body at an end opposite the shank where the projection maximum diameter is less than or equal to the diameter of the shank; a first cutting element including a cutting portion and a complimentary one of a projection and a recess adapted to engage the projection or recess of the body to removably connect the cutting element to the body and to inhibit rotation of the cutting element with respect to the body about a long axis of the body; and a second cutting element threadably coupled to one of the body and the first cutting element to retain the first cutting element between the second cutting element and the body.