公开(公告)号：JPH02182288A

公开(公告)日：1990-07-16

申请号：JP30785689

申请日：1989-11-29

Applicant: MEFINA SA

Inventor： ANTONIO JIMENESU ,  JINO UORUTAA MISHIERITSUTSUA

IPC: D05B19/00 ,  D05B3/08 ,  D05B3/24 ,  D05B27/22 ,  D05B35/00 ,  D05B69/00

Abstract: PURPOSE: To make the production and use of a device easy and simple by respectively connecting two terminals of control cirucit for a sewing machine to a closing member for paired reference points and a contact. CONSTITUTION: With the forward movement of cloth T, an elastically energized pinion 16 of cloth is rotated, a pinion 17 to be engaged to a barrel 19 is displaced in the manner of angle in the direction of a contact 34 related with a drum 29 as a pin 23, and when its inner terminal is fixed on a fixed rod 15, a spiral spring 20 is compressed. When the pin 23 is brought into contact with the contact member 34, a pulse is generated by a pulse generator 46 and transmitted to an AND logic gate 45. When this pulse is generated before the end of sewing, a position detector 43 for a needlebar communicates with a counter 42 at the moment when the sewing wok under execution is finished. The sewing machine moves the cloth T back and forms the straight stitches parallel to the zigzag stitches of a phase 1. As long as the pinion 16 is not detached from the cloth, the pinion is inverted, the pin 23 moves toward a contact 28 and the spring 20 is unfastened. This second phase meets the pin 23 and the contact 28 to end the sewing.