Some cone CVT types use two rollers.[23][24] In 1903, William Evans and Paul Knauf used to get a patent on a continuously variable transmission using two parallel conical rollers pointing in reverse directions and connected by belts that may be slid together the cones to differ the transmission ratio. You https://gearbox-cvt42964.wizzardsblog.com/32630723/the-best-side-of-gearbox-cvt