Patent ID: 7222556
Filing Date: 2007-05-29
Classification: E04D

Abstract:
1. A shingle removing machine, comprising: a frame having a forward end and defining a width; a left and a right support wheel extending from said frame; a prime mover secured to said frame; a drive arm axle extending laterally across said frame, said drive arm axle having opposed left and right ends; a power train coupling the prime mover to the drive arm axle for translating output of the prime mover into rotation of the drive arm axle; a blade drive arm wheel disposed at each of the ends of said drive arm axle; an eccentric pin extending laterally from each said blade drive arm wheel; a blade drive arm extending forwardly from each said eccentric pin, each said blade drive arm having a forward end; a shingle removal blade extending forwardly from each said blade drive arm, said blades combining to provide a total blade width substantially equal to the width of said frame; a laterally disposed blade mount tube extending inwardly from the forward end of each said blade arm; at least one blade mount roller mounted on each said blade mount tube; and a plurality of roller ramps extending from the forward end of said frame, each said blade mount roller riding upon one of said roller ramps as each said blade drive arm is reciprocated by said blade drive arm wheel.