Patent ID: 6062859
Filing Date: 2000-05-16
Classification: A61C,Y10T

Abstract:
A holder for a dental tool selected from the group consisting of a dental pin, dental drill, dental burr and dental reamer wherein the holder comprisesa longitudinally extending substantially tubular shaft having a tool end and a latching end distant from the tool end,tool securing means at the tool end for mounting the tool, or at which the tool is mounted, for rotation with the shaft,a latching groove at the latching end and adapted to latchably engage with a dental tool driver whereby the shaft extends from the driver to the tool and the shaft and the tool are co-rotatable by the driver,and wherein the holder has been formed by folding a sheet metal blank having a shaft portion and a latching portion,wherein the shaft portion of the blank has an axial length which defines the distance between the tool end and the latching end and a width which is sufficient to substantially provide the periphery of the substantially tubular shaft and the shaft portion has been folded substantially parallel to the length of the holder to provide the substantially tubular shaft,the latching portion of the blank is integral with the shaft portion and comprises a first transverse flange integral with the shaft portion and a second transverse flange connected to the first flange by a web which is narrower than each of the flanges, and the first flange has been folded substantially parallel to the length of the holder to define a drive surface for driving engagement with a drive mating member of the dental tool driver, and the second flange has been folded substantially parallel to the length of the holder to provide a substantially tubular abutment separated from but connected to the folded first flange by the web whereby the web and the folded first and second flanges define the latching grooveand in which eitherthe tool end of the shaft is adapted to receive a preformed dental toolor a dental tool is integral with the tool end of the shaft and extends away from the tool end.