A tool for inserting screwed, anchoring devices, with the tool being capable of being operated manually or automatically, comprises an elongated handle, a shaft that extends between the ends of said handle with a tip end that extends from the front end of the handle and a distal end that lies in the...http://www.google.de/patents/US20040231468?utm_source=gb-gplus-sharePatent US20040231468 - Hand or automatic driven tool for attaching screwed anchors
