A ratcheting CVT takes advantage of a number of a single-way clutches or ratchets that rectify and sum only "forward" motion. The on-off properties of a normal ratchet means that quite a few of these models usually are not continuous in operation (i.e. technically not a CVT), but in practice, https://gearboxcvt22186.onzeblog.com/32696940/5-essential-elements-for-gearbox-cvt