Hole saw mandrel

B - Operations – Transporting – 23 – B

Patent

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Details

B23B 51/04 (2006.01)

Patent

CA 2623739

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.

La présente invention vise un mandrin de scie à percer utilisé pour relier un foret et une scie à percer. Le mandrin comprend une extrémité d~outil pour relier le mandrin à percer avec le foret ; une extrémité de découpe de trou comprenant un moyen récepteur de scie à percer et un moyen récepteur de foret ; et une partie centrale reliant l~extrémité d~outil à l~extrémité de découpe de trou ; le moyen récepteur de scie à percer comprenant un collier qui est indépendant de la partie centrale pour qu~il n~y ait pas de jeu entre une scie à percer et son mandrin quand ladite scie à percer est utilisée. Le mandrin de scie à percer peut aussi inclure un éjecteur pour éjecter une débouchure de la scie à percer une fois le trou réalisé.

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