Sewing machine with shuttle replenishing

摘要

A sewing machine has needles reciprocally movable in a first direction through a fabric web and shuttles reciprocally movable in a second direction perpendicular to the first direction. The used shuttles accommodating an empty bobbin is replaced with the new shuttle accommodating a full bobbin. The needles and the shuttles cooperate to form stitch patterns on the fabric web. A device is provided for the automatic replacement of the used shuttle with the new shuttle.