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US 5,297,903 AGranted
Polygonal mortising drill tool arrangement
OwnerGordon K. Hiltoninventor
Life of this patent
Estimating the term…
Abstract
A mortising device directed to project a polygonal bore within a workpiece is provided to include a parallelepiped guide tube having a drill bit rotatably mounted therewithin, with the guide tube having window slots arranged throughout alternating walls of the guide tube, with intermediate walls of the guide tube intermediate the alternating walls containing the drill bit in an aligned relationship, with a lowermost end of the guide tube having a continuous chisel edge for projection into an underlying workpiece to effect formation of the polygonal hole structure.
Claims6
A polygonal mortising drill tool arrangement, comprising,
- a drill press assembly, having a stationary drill press head, and a drill chuck rotatably mounted relative to the drill press head, with a drill bit mounted within the drill chuck coaxially aligned relative to the drill chuck and the drill press head, and
- a collar head fixedly mounted to the drill press head, the collar head including spaced flanges mounted to the drill press head extending below the drill press head terminating in a support head, with the support head coaxially aligned with the drill press head and the drill chuck, with the support head mounting a polygonal guide tube, with the drill rotatably and complementarily mounted within the guide tube.
Dependencies are inferred from the claim text.