Thread cutting mechanism for sewing machines

Details Thread cutting mechanism for sewing machines Thread cutting mechanism for sewing machines

1977-09-22

1979-02-27

Feldbaum, Ronald

Sewing

Elements

Thread cutting, severing or breaking

D05B 4900

Patent

active

041413075

ABSTRACT:
A sewing machine having a shuttle device rotatable in a horizontal plane. A shuttle opener is swingably provided at one side of the shuttle device and a shuttle retainer is provided at the other side for restraining the shuttle device against rotation. A thread catcher arm of the thread cutting mechanism is provided for swinging movement in a horizontal plane between an advanced position and a retracted position. A rotary solenoid provides the swinging movement of the catcher arm into the advanced position and a cam mechanism is provided for effecting the return movement of the catcher arm during which the thread cutting is performed.

REFERENCES:
patent: 3211117 (1965-10-01), Speichermann et al.
patent: 3424116 (1969-01-01), Hagen
patent: 3503355 (1970-03-01), Hagemeyer et al.
patent: 3624735 (1971-11-01), Hedegaard
patent: 3776161 (1973-12-01), Papajewski
patent: 3894502 (1975-07-01), Hager et al.

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