Patent ID: 7849773

Claim:
A portable assembly for cutting hips and valleys into ribbed metal panels, the assembly comprising: a rectangular frame for holding ribbed metal panels during cutting, said rectangular frame having a proximal end and a distal end, the proximal end having a mounting assembly for mounting the frame to the top rail of a vehicle utility trailer said mounting assembly having a rotating means for allowing the frame to rotate, a foldable leg having a first end mounted to the distal end of the rectangular frame and a second end for engaging with the ground such that the frame is supported at a height level with the proximal end when the frame is rotated out from the trailer, a track mounted above the rectangular frame and a trolley guided in the track, said trolley having a plurality of wheels and a mounting bar on which a chop saw for cutting said panels is mounted, a saw guide plate marked with sequential numbers, both to the left and right of a zero position, said numbers representing roof pitches and corresponding to angles from zero to forty-five degrees, said saw guide plate mounted on the proximal end of said rectangular frame, a locking lever fixedly mounted to the mounting assembly and capable of releasably engaging with the saw guide plate at a desired position corresponding with a marked number on said plate, said locking lever when in a released position allowing rotation of the frame and when in an engaged position effectuating locking of the frame into an immobilized state.