Pretension threading device

Details Pretension threading device Pretension threading device

1975-06-10

1976-08-03

Schroeder, Werner H.

Sewing

Elements

Tensioning

112259, D05B 4700

Patent

active

039722988

ABSTRACT:
Pretension threading device which includes two thread deflecting means supported on opposite sides of a pretension, and arranged to deflect thread caught and drawn into the thread deflecting means into wrap around the pretension. One thread deflecting means extends to beyond the pretension in a direction away from a thread supply tapering to a point beyond the pretension spaced from the adjacent sewing machine housing. The other thread deflecting means lies in covering relationship to the pretension, terminating at the pretension and tapering beyond the pretension device in a direction away from the thread supply to the adjacent sewing machine housing.

REFERENCES:
patent: 257052 (1882-04-01), Neilly
patent: 995312 (1911-06-01), Woodhead
patent: 1020090 (1912-03-01), Gray
patent: 2997010 (1961-08-01), Hughes

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