Generally, the automatic gearbox makes use of a roller clutch for plan upshifts/downshifts. It operates the same as a ratchet. It transmits the torque only in a single direction by totally free-wheeling or overrunning in the other. The advantage of this kind of clutch is it eliminates the potential of https://gearbox-auto19641.spintheblog.com/34182837/everything-about-gearbox-auto