Routing attachment adapter for a power-driven hand drill

Claim 1

A ROUTINE ATTACHMENT ADAPTER FOR A POWER-DRIVEN HAND DRILL, COMPRISING: A LONGITUDINALLY APERTURED LONGITUDINCAL BODY MEMBER HAVING A REAR END AND A FRONT END AND HAVING A LONGITUDINAL BORE THEREIN EXTENDING THROUGH THE LENGTH THEREOF FROM SAID REAR END TO SAID FRONT END THEREOF; AND A LONGITUDINAL SHAFT MEMBER ROTATIVELY RECEIVED WITHIN AND MOUNTED WITHIN SAID BORE OF SAID LONGITUDINAL BODY MEMBER AND HAVING A REAR TORQUE-RECEIVING END PORTION ADAPTED TO BE ENGAGED AND COUPLED TO A TORQUE-APPLYING POWER-DRIVEN HAND DRILL, SAID LONGITUDINAL BODY MEMBER BEING SUPPORTED ONLY BY SAID LONGITUDINAL SHAFT MEMBER AND BEING PHYSICALLY SEPARATE FROM THE TORQUE-APPLYING POWER-DRIVEN HAND DRILL WHEN THE HAND DRILL IS ENGAGED AND COUPLED TO SAID REAR TORQUE-RECEIVING END PORTION OF SAID SHAFT MEMBER, SAID SHAFT MEMBER HAVING A FORWARD END EFFECTIVELY PROVIDED WITH A ROTARY LATERALLY OPERABLE CUTTING TOOL EXTENDING FORWARDLY FROM THE FRONT END OF SAID LONGITUDINAL BODY MEMBER; SAID LONGITUDINAL BODY MEMBER BEING PROVIDED WITH A GUIDE AND GAUGE MEANS ADJACENT TO SAID ROTARY CUTTING TOOL AND COOPERABLE FOR MANUALLY CONTROLLED GUIDING ABUTMENT ALONG A SOLID SURFACE FOR GUIDING SAID CUTTING TOOL ALONG A DESIRED CUTTING PATH OF A DIRECTION SUBSTANTIALLY TRANSVERSE WITH RESPECT TO THE LONGITUDINAL DIRECTION OF SAID BORE, SAID GUIDE AND GAUGE MEANS COMPRISING A GUIDE TIP PROVIDED WITH A MOUNTING AND COUPLING PORITON FOR COUPLING SAID GUIDE AND GAUGE MEANS WITH RESPECT TO SAID LONGITUDINAL BODY MEMBER FOR MOUNTING SAID GUIDE TIP IN A DESIRED LATERALLY OFFSET GUIDING RELATIONSHIP WITH RESPECT TO SAID CUTTING TOOL, SAID GUIDE TIP HAVING A PLANAR PORTION LYING IN A PLANE PARALLEL TO BUT SLIGHTLY PERPENDICULARLY DISPLACED FROM A LONGITUDINAL AXIS OF SAID FORWARDLY EXTENDING ROTARY CUTTING TOOL AND BEING POSITIONED IN SAID PARALLEL PLANE AT ONE SIDE OF SAID CUTTING TOOL, THEREBY EFFECTIVELY PROVIDING AND DEFINING A LATERALLY OPEN CUTTING ACCESS REGION ON THE OPPOSITE SIDE OF SAID CUTTING TOOL FROM SAID PLANAR PORTION OF SAID GUIDE TIP.