Some cone CVT styles use two rollers.[23][24] In 1903, William Evans and Paul Knauf applied for just a patent over a continuously variable transmission utilizing two parallel conical rollers pointing in opposite directions and connected by belts which could be slid together the cones to vary the transmission ratio. In https://gearbox-cvt55207.newsbloger.com/33304606/the-ultimate-guide-to-gearbox-cvt