Patent ID: 7685719
Filing Date: 2010-03-30
Classification: B26F,Y10T

Abstract:
1. A rotary disc assembly for use with a cutting tool to cut circles from a material, said rotary disc assembly comprising: an outer ring frame having an inner flange; a rotary disc rotatably attached to said inner flange of said outer ring frame, said rotary disc having a radial channel with a first side and a second side, so that when said rotary disc is placed on the material and the cutting tool is inserted into said radial channel and affixed therein, and when the cutting tool and said rotary disc are rotated relative to said outer ring frame, the material is cut to form a circle; a worm screw mounted to the underside of said rotary disc along said first side of said channel; and a guide ring mounted within said radial channel and proximate to said worm screw, for receiving the cutting tool, so that when the cutting tool is inserted into said guide ring, and when said worm screw is rotated, said guide ring and the cutting tool are moved axially along said radial channel.