Metering device for sewing machines

Details Metering device for sewing machines Metering device for sewing machines

1990-05-08

1993-01-12

Nerbun, Peter

Sewing

Special machines

Darning

112152, 112305, D05B 3506

Patent

active

051780810

ABSTRACT:
A tape feed device for an elastic tape from a supply at a sewing machine having a biased actuating lever, whose angular position varies in dependence upon the size of a loop and which controls the motor of a take-off roller. An adjuster, which is electrically actuable in a controlled manner, acts on the actuating lever in such a way that the tape tension can be altered in accordance with an electrical variable. The adjuster has a coil whose electromagnetic field lines cut an armature which is connected to the actuating lever.

REFERENCES:
patent: 3074632 (1963-01-01), Braun et al.
patent: 4389951 (1983-06-01), von Hagen
patent: 4475474 (1984-10-01), von Hagen et al.
patent: 4590874 (1986-05-01), Baclagis

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