Patent ID: 6632126
Filing Date: 2003-10-14
Classification: B23D,B28D,Y10T

Abstract:
A blade ring saw assembly, comprising:a blade ring having an annular metal body with a narrow outer peripheral edge, substantially flat sidewalls and an inner edge defining an open central portion, and an abrasive coating on said peripheral edge and at least a portion of each of said flat sidewalls along said edge; a base having a substantially flat and normally horizontal work surface for supporting a workpiece to be sawed and having an opening for said blade ring, said blade ring being disposed in said opening in a plane perpendicular to said work surface in a predetermined normally vertical working position, with approximately one-half of the blade ring above the surface and the remainder of the blade ring disposed beneath the work surface; an endless drive belt mounted on said base below said work surface and having one run extending around a portion of the underside of the blade ring entirely beneath said work surface; a plurality of pulleys supporting said drive belt and training said one run against the lower portion of said blade ring; a plurality of roller guides rotatably supported on said base beneath said work surface and positioned to guide said blade ring in said working position and to cooperate with said drive belt in supporting the blade ring rotatably on said base; means for driving said drive belt and thereby rotating said blade ring about a predetermined axis extending through said open central portion of said blade ring; and a reservoir beneath said base for holding a quantity of coolant for engagement with a lower portion of the belt and thus with the blade ring.