Patent ID: 7144087

Claim:
A self-powered milling apparatus that is configured to be selectively coupled to a vehicle and that may be used to mill paving material, said apparatus comprising: a carriage configured to be selectively coupled to a vehicle; a cutting head coupled to said carriage for use in milling the paving material, wherein said carriage is configured to follow a contour of the paving material to be milled and to provide stability during the milling of the paving material; a breaker bar coupled to said carriage, wherein said breaker bar is configured to be continuously near ground level during the milling of the paving material to perform at least one of: (i) holding the paving material down as the paving material tries to lift up during the milling; and (ii) helping break up aggregate of the paving material that has been milled; a milling system motor coupled to said carriage, said milling system motor dedicated to driving said cutting head to mill said paving material, wherein said milling system motor is separate from any motor of the vehicle to provide a source of power to said milling apparatus independent of said motorized vehicle; and an extended drive input coupled to the carriage, wherein the extended drive input includes a shaft with a flex coupling that includes one or more pilot tubes that couple to the cutting head and support a belt to enable the cutting head to be flush with a side of the carriage to provide precise edge milling.