MACCHINA PER CUCIRE CON DISPOSITIVO DI GUIDA DELLA PEZZA

A work guiding device for a sewing machine having a sewing needle for joining two overlapping work plies at border areas thereof and folding back at least one border of one work ply comprises first and second U-shaped edge guides which face in opposite direction, a movable support carrying the edge guides and first and second guide rules movable into the vicinity of the needle. A drive is connected through the support and drives are connected to the guide rules to move one of the guide rules and one of the edge guides into the vicinity of the needle to form a channel therebetween for the work plies. The drives comprise double acting cylinders which are controlled by a circuit to selectively use the first edge guide with the first guide rule in a first channel and the second edge guide with the second guide rule in a second channel.