Sewing machine thread chain cutter

Details Sewing machine thread chain cutter Sewing machine thread chain cutter

1985-04-19

1986-07-15

Schroeder, Werner H.

Sewing

Elements

Thread cutting, severing or breaking

112DIG1, 83 98, D05B 6506

Patent

active

045999600

ABSTRACT:
A thread-cutting device for a sewing machine comprises a rigid casing fixed on one edge of the working surface of the sewing machine in a position adjacent to the fabric being sewn. A discharge tube extends from one end of the casing to a suction mouth located on the other end of the casing and faces the fabric being sewn. A blower apparatus is supplied with compressed air and comprises at least one vent located in the mouth and is designed to direct the compressed air along the discharge tube. A pivotable cutting element is mounted in the region of the suction mouth. A control element is fixed to the casing and has a rod shaped portion passing across the suction mouth which can be positioned in a plurality of reference notches located on the outside of the casing. The reference notches are arranged in accordance with the types of fabric to be sewn and are designed to position the rod-shaped portion in a direction substantially perpendicular to the feed direction of the fabric being sewn.

REFERENCES:
patent: 3143987 (1964-08-01), Daniel et al.
patent: 3749040 (1973-07-01), Jurgens
patent: 4328758 (1982-05-01), Souza et al.

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