Some cone CVT models use two rollers.[23][24] In 1903, William Evans and Paul Knauf applied for any patent on a continuously variable transmission utilizing two parallel conical rollers pointing in opposite directions and related by belts that could be slid together the cones to range the transmission ratio. Little industrial https://gearbox-cvt97880.pointblog.net/top-latest-five-gearbox-cvt-urban-news-75661292