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| Number | Title | Issue Date |
| 7137420 | Mortiser tool A mortiser tool comprises a drill bit, a cutting element mounted around the drill bit and a motor means. In use a motor rotates the drill bit independently of the cutting element, and in use a motor moves the drill bit in a first reciprocating action, in which the c... | 11/21/2006 |
| 6401772 | System and method for forming dovetail joints An apparatus for cutting dovetail joints comprises one or more trapezoidal mortising chisels mountable on a drill press, each trapezoidal mortising chisel having a trapezoidal cross sectional shape with a particular slope or "pitch" on its non-parallel si... | 06/11/2002 |
| 6238149 | Apparatus for drill press A method for connecting an attachment to a drill press includes: providing an alignment member including a first portion and a second portion, and having a central axis; securing the first portion of the alignment member within the chuck; connecting the a... | 05/29/2001 |
| 5595226 | Drilling/cutting machine for making joints in wooden members A drilling/cutting machine for forming joints for accommodating metal protrusions of a metal plate connector. The machine can cut one or more joints simultaneously with a drilling/cutting bit that drills and simultaneously cuts smaller and larger width sl... | 01/21/1997 |
| 5538370 | Device for drilling a square hole A tool is disclosed herein for drilling a square hole in a workpiece adapted to be mounted in the chuck jaws of a drill press. The tool includes a drive shaft having an enlarged spindle provided midway between its opposite ends. One shaft end releasably e... | 07/23/1996 |
| 5297903 | Polygonal mortising drill tool arrangement 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 o... | 03/29/1994 |
| 4074736 | Milling gauge A milling gauge provided with slits and a guide piece for milling dovetail grooves into sheets or boards which are dovetailed together at right angles to each other. A milling cutter held by the guide piece is introduced into the slits of the gauge which ... | 02/21/1978 |
