Some cone CVT designs use two rollers.[23][24] In 1903, William Evans and Paul Knauf used for the patent on the continuously variable transmission working with two parallel conical rollers pointing in opposite directions and linked by belts that might be slid together the cones to fluctuate the transmission ratio. However https://spencerijhfc.ja-blog.com/32743226/5-tips-about-gearbox-cvt-you-can-use-today