Patent ID: 6095208
Filing Date: 2000-08-01
Classification: B27B,B27F

Abstract:
An apparatus for cutting opposing notches in a workpiece comprising:a frame;a motive force device connected to the frame for driving a pair vertically oriented rotating drive shafts:a rotating cutter head removably attachable to each vertically oriented rotating drive shaft for rotation by the vertically oriented rotating drive shafts in a horizontal plane wherein each of the rotating cutter headsincludes a first plurality of rotating blades mounted on the vertically oriented rotating drive shaft, each of the first plurality of rotating blades having a substantially equal effective cutting diameter; anda second plurality of rotating blades mounted on the vertically oriented rotating drive shaft, each of the second plurality of rotating blades having a decreasing effective cutting diameter;an feed mechanism operatively associated with the frame for feeding a workpiece past the rotating cutter heads; andwherein the motive force device connected to the frame for driving a vertically oriented rotating drive shafts comprises an electric motor.