Mechanical "Waterproof Cooling Fan" on the origin of the roof, in 1830, a man named James Byron was inspired by American watches from the structure, the invention can be mounted on a ceiling, with a spring-driven mechanical fan. This "Waterproof Cooling Fan" cool slowly rotating blades brings people feel happy, but have climbed the ladder to the winding, very troublesome. In 1872, a man named Joseph, of the French people and developed a turbo start by clockwork, gear drive chain means mechanical "Waterproof Cooling Fan", mechanical fans this fan than Byron more sophisticated invention, use is also convenient . In 1880, the first time the Americans Shule blade mounted directly on the motor, connect the power supply, the rapid rotation of the blades, cool breeze blowing, which is the world's first fan.