Sewing machine having a sewing-material cutting device

Details Sewing machine having a sewing-material cutting device Sewing machine having a sewing-material cutting device

1987-02-19

1988-11-01

Hunter, H. Hampton

Sewing

Work manipulating

Severing

D05B 3704

Patent

active

047811315

ABSTRACT:
A sewing-material cutting device includes a movable upper knife and a stationary bottom knife which cooperates therewith. The upper knife includes a knife holder which holds a replaceable turnable cutting plate having a plurality of cutting edges. A polygonal fastener is provided on the cutting plate for selectively engaging the knife holder in a plurality of positions corresponding to respective cutting positions of the plurality of cutting edges.

REFERENCES:
patent: 907619 (1908-12-01), Merrow
patent: 907620 (1908-12-01), Merrow
patent: 907622 (1908-12-01), Merrow
patent: 1947495 (1934-02-01), Routtenberg
patent: 3369509 (1968-02-01), Burton

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