Some cone CVT models use two rollers.[23][24] In 1903, William Evans and Paul Knauf applied for your patent on a continually variable transmission making use of two parallel conical rollers pointing in opposite directions and related by belts which could be slid together the cones to vary the transmission ratio. https://gearbox-cvt65183.tusblogos.com/32878435/how-much-you-need-to-expect-you-ll-pay-for-a-good-gearbox-cvt