Thread cutting mechanism in lock stitch sewing machine

Details Thread cutting mechanism in lock stitch sewing machine Thread cutting mechanism in lock stitch sewing machine

1984-10-30

1986-12-23

Schroeder, Werner H.

Sewing

Elements

Thread cutting, severing or breaking

D05B 6502

Patent

active

046305599

ABSTRACT:
A thread cutting mechanism for a lock stitch sewing machine which comprises a stationary blade, a reciprocally movable blade, operation means for moving the movable blade reciprocally and adjusting means for adjusting the reciprocal movement distance of the movable blade so as to vary the operative position with the initial position maintained constant. The movable blade includes a thread handling portion, a thread cutting knife portion, a thread arresting portion and a thread guide portion.

REFERENCES:
patent: 2376417 (1945-05-01), Chudner
patent: 3524420 (1970-08-01), Peschke
patent: 4523535 (1985-06-01), Blackburn

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