Patent ID: 7828393
Filing Date: 2010-11-09
Classification: B25D,B28D,E21C,Y10T

Abstract:
1. A vibratory milling machine, comprising: a base including a recess formed by at least a first surface and a second surface of said base; a milling head at least partially positioned within said recess, said milling head being movably coupled to said first surface of said base, wherein said milling head is adapted to oscillate in a first direction along said first surface of said base, wherein said milling head comprises a first end and an opposing second end; two or more cylindrical recesses rigidly fixed to said milling head; two or more eccentrically-weighted rotors mounted within said two or more cylindrical recesses of said milling head, said two or more eccentrically-weighted rotors being adapted to rotate synchronously in opposing directions; a dampening system secured between said first end of said milling head and said second surface of said base; and a milling tool rigidly secured to said second end of said milling head.