Sewing machine with work edge cutting mechanism

Details Sewing machine with work edge cutting mechanism Sewing machine with work edge cutting mechanism

2006-01-03

2006-01-03

Izaguirre, Ismael (Department: 3765)

Sewing

Work manipulating

Trimmers

Reexamination Certificate

active

06981458

ABSTRACT:
Disclosed is a sewing machine with work edge cutting mechanism having an upper blade13awhich is operated to cut the work edge in cooperation with a lower blade1aduring stitching operation, the upper blade being stopped and retreated to an inoperative position below the needle plate30in case the stitching operation is performed without necessity of cutting the work edge, the sewing machine substantially comprising a main drive shaft2which is rotated to vertically reciprocate a machine needle31, a device for converting the rotation of the main drive shaft into vertical movement, a device for transmitting the vertical movement to the upper blade, a device for intercepting the transmission movement of the transmitting means, wherein the intercepting device is operated to cause the upper blade to retreat from the operative position to the inoperative position below the needle plate.

REFERENCES:
patent: 5289789 (1994-03-01), Sakuma
patent: 5427041 (1995-06-01), Satoma
patent: 5813356 (1998-09-01), Nolle
patent: 6101960 (2000-08-01), Ebata et al.
patent: 11-235489 (1999-08-01), None

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