STITCH AUTOMATON FOR SEWING ACCESSARIES ON TAPE Russian patent published in 1994 - IPC

FIELD: light industry. SUBSTANCE: stitcher has sewing head provided with main shaft and frame of needle-carrier, device for supplying accessories, unit for transporting semifinished item and control system. Sewing head is additionally provided with cams for controlling operation of frame of needle-carrier, accessories advance and semifinished items transportation. The cams are connected kinematically with main shaft. Frame of needle-carrier is hinged onto holder which is fixed for longitudinal movement relatively crank of deflection shaft. Lever is attached to the other end of the shaft; the lever interacts with control cam of frame of needle-carrier. The latter is provided with jaw which embraces the shaft being parallel to deflection shaft. Unit for supplying accessories is connected kinematically with restrictor which is fixed onto supply shaft. Lever is fixed onto the shaft either; the lever interacts with control cam of accessory supplying. Unit for transporting semifinished items is connected kinematically with spring-loaded rod onto which the roller is fixed. The roller interacts with cam for controlling semifinished item transportation. EFFECT: improved speed of operation; improved efficiency. 5 cl, 3 dwg