Yarn cut-off device for chain stitch sewing machine and its drive

Yarn cut-off device for chain stitch sewing machine and its drive

  • CN 1,049,940 C
  • Filed: 03/14/1996
  • Issued: 03/01/2000
  • Est. Priority Date: 03/14/1995
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of wire-cutting device of chain sitch sewing machine, it carries out the chain-type stitch sewing by the Sewing needles (6) that drives up and down with the co-operating of the loop taker (17) of needle plate (75) below configuration, it is characterized in that it has:

  • Dispose the movable body (53) of the action of can advancing and retreat on above-mentioned loop taker (17) and between the gap below the above-mentioned needle plate (75);

    Allow above-mentioned movable body (53) make the movable body driving mechanism (52,56) that advance and retreat drive;

    Be configured in the below of above-mentioned needle plate (75), when above-mentioned movable body (53) reciprocating motion and its co-operating, the fixed body (58) that cuts off sewing thread and yarn (a);

    After above-mentioned sewing thread and yarn (a) cuts off, by the reciprocating motion action of above-mentioned movable body (53), the maintenance body (62) that the yarn end that makes above-mentioned sewing thread and yarn (a) after the cut-out be in loop taker (17) one sides is held in a predetermined position.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×