
The garage door is an amazing dynamic system with torques, tensions and gravitational force all in one. Prior to the existence of the automobile, the primary method of transportation was by horse and carriage. When not in use, people stored horse carriages in what were recognised as a carriage house, barn-like outbuildings with swing doors for access. During the early years of the twentieth century, cars were working their way into society. Ford Motor Co. Was one of the pioneers of the automotive revolution, shipping its 1st vehicle to a Detroit physician on July 20, 1903.