A sewing machine with a synchronizing feed device

Details A sewing machine with a synchronizing feed device A sewing machine with a synchronizing feed device

1986-09-26

1988-02-16

Falik, Andrew M.

Sewing

Stitch forming

Feeding work material

112320, D05B 2700

Patent

active

047247835

ABSTRACT:
A device for synchronizing feeds of a lower and upper fabric in a sewing machine, which device comprises a control cam, a presser bar, a turning plate with a movable presser thereon, a switching plate movable on the presser bar and connected to the control cam which moves the switching plate, and a control plate interconnected between the control cam and the movable presser and rotated to move the switching plate and thus the movable presser so that it may be pressed against the fabric being sewn.

REFERENCES:
patent: 3583344 (1971-06-01), Meier
patent: 4519333 (1985-05-01), Minakuchi
patent: 4611548 (1986-09-01), Holl

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