Machine Guarding
10th December 2009 by John Sedgewick Comments OffMachine guarding has been a major concern for factory workers in America since the 1850s. At that time, large scale mills appeared along the rivers. The flowing water turned large waterwheels, which, through a series of leather belts and smaller wheels, drove long shafts at the ceiling level along the entire length of the mills. At each machine station, a belt driven by the ceiling shaft transmitted [...]

