<p>The present invention is directed at a hole saw mandrel which is used to connect a drill with a hole saw. The mandrel includes a tool end for connecting the hole mandrel with the drill; a hole cutting end including a hole saw receiving means and a drill bit receiving means; and a central portion connecting the tool end to the hole cutting end; wherein the hole saw receiving means comprising a collar which is independent of the central portion so that no play is experienced between a hole saw and the hole saw mandrel when the hole saw is in use. The hole saw mandrel may also include an ejector to eject a slug from the hole saw after a hole has been cut.</p>
申请公布号
WO2007036043(A1)
申请公布日期
2007.04.05
申请号
WO2006CA01602
申请日期
2006.09.28
申请人
MAXTECH MANUFACTURING INC.
发明人
SINGH, SATNAM;VASUDEVA, KAILASH, C.;SCHNARR, RANDY