A portable saw mill apparatus includes a frame carrying supporting wheels, outriggers and a trailer hitch. A horizontal, unitized tubular track is secured to the frame and a carriage is moveable along said track. Mounted on the carriage is a horizontal, cantilevered band saw which is moveable vertically....http://www.google.de/patents/US4559858?utm_source=gb-gplus-sharePatent US4559858 - Portable band saw saw mill apparatus
