公开(公告)号：US5027728A

公开(公告)日：1991-07-02

申请号：US527611

申请日：1990-05-23

Applicant: Raffaele Prina

Inventor： Raffaele Prina

IPC: D05B1/10 ,  D05B61/00 ,  D05B63/00 ,  D05B65/00 ,  D05B73/12

CPC classification number: D05B73/12 ,  D05B63/00 ,  D05B65/00

Abstract: A device for forming a thread chain on a multiple-needle chainstitch sewing machine having at least two sewing needles, a looper, a needle plate having at least two needle hole slots and a stitch formation tongue disposed between the needle hole slots, and a feed device comprising a feed dog and a presser foot, and a sewing thread brake device disposed beneath the stitch formation tongue beyond the sewing needles in the direction of sewing. The device brakes the sewing threads, and deflects them in such a way that a thread chain is formed.

Abstract translation: 一种用于在具有至少两个缝针，打针器，具有至少两个针孔槽的针板和设置在所述针孔槽之间的缝合形成舌片的多针链式缝纫机上形成线链的装置，以及饲料 装置，包括进给爪和压脚，以及缝纫线制动装置，其在缝合方向上设置在针迹形成舌下方超过缝纫针的下方。 该装置制动缝纫线，并使它们以形成线链的方式偏转。