???? ???????: ?????? ???? ????? ???? ?????? ?? ???? ???? The look theory dates back again to ahead of the 1930s, with the first structure meant to transform rotary motion to oscillating movement and again to rotary motion employing roller clutches.[eighteen] This style continues to be in prod

Among the discs are rollers, which vary the ratio and transfer electric power from just one side to one other. If the rollers' axes are perpendicular on the axis of your discs, the efficient diameter is the same for that input discs plus the output discs, leading to a 1:one push ratio. For other