A CLOTH CUTTING DEVICE USED IN A SEWING MACHINE FOR LOOPING EYELET BUTTON HOLES

摘要

The cloth to remove the residue of a straight line between the eyelets scalpel and scalpel to that challenge. ; It means a Eyelet scalpel portion 101 and a straight scalpel 102 is the opposite to the cloth cutting scalpel 100, a cutting scalpel cloth placed with eyelets scalpel receiving portion (160b) and the straight scalpel receiving portion (to fix it and scalpel Bay (160) having 160c), a volumetric unit through-holes arranged on an islet scalpel section (101e), when the eyelet scalpel parts and additional eyelets scalpel Bay would conform placed on an islet scalpel receiving portion communicating with the scalpel section through holes Metz-receiving portions through hole (160a), both the through holes when the concatenation is configured by the air discharge means (77a) (77b) for discharging the air and perforated piece removal means for discharging a punched piece eyelet portion to the outside, islet scalpel portion and the rectilinear volumetric portion moving means to be moveable against the one to the other side 108, 110, movably with one side by discharging the air by the air discharge means in connection with the isolation position to one side and the other side It was provided with the cloth removing means for removing debris accumulated between the cloth.