A band saw including a frame, at least two, spaced apart, rotatable wheels supported by the frame, a blade looped around the wheels, where rotation of at least one wheel causes the blade to move around the wheels, a detection system adapted to detect a dangerous condition between a person and the blade,...http://www.google.de/patents/US7621205?utm_source=gb-gplus-sharePatent US7621205 - Band saw with safety system
