Patent ID: 7730809

Claim:
A tool for removing shingles comprising: a bar; a handle; a spade assembly, said spade assembly comprising from 2 to 2000 blades; a drive-wheel; a powering mechanism to facilitate a powered reciprocating motion of said blades and a powered rotation of said drive-wheel, said powering mechanism being operably coupled with the drive-wheel for said powered rotation of said drive-wheel moving the tool forward, said powering mechanism also being operably coupled with a drive shaft connected to said blades resulting in said reciprocating movement of said blades moving the blades forward and backward; a guide including a guide shaft moveable therein said guide shaft connected to the blades, wherein said guide facilitates said blades engaging in said reciprocating movement without rotation around said drive shaft; wherein power is delivered through said bar to said powering mechanism; wherein said blades comprise a leading edge and a body, said leading edge engaging said shingled surface at a shallower angle than said body; and wherein said blades are capable of prying up shingles on a roof through forward motion.