in which the transmission ratio is changed by directly acting on the intermittently driving members

Full Title

Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action > between one of the shafts and an oscillating or reciprocating intermediate member, not rotating with either of the shafts (F16H29/20, F16H29/22 take precedence) > in which the transmission ratio is changed by directly acting on the intermittently driving members