Embroidering machine including sewing machine and embroidering u

Details Embroidering machine including sewing machine and embroidering u Embroidering machine including sewing machine and embroidering u

1992-12-28

1994-02-08

Nerbun, Peter

Sewing

Special machines

Darning

112103, D05B 2100

Patent

active

052841049

ABSTRACT:
An embroidering machine comprised of a common electronic sewing machine having a first controller and an embroidering unit detachably connected to the electronic sewing machine. The operating speed of a main motor of the electronic sewing machine is controlled according to a feed by which an embroidery frame holding a workpiece is moved when forming a stitch of an embroidery pattern. The embroidering unit has a second controller which generates a speed control signal relevant to the feed by which the embroidery frame is moved to form a stitch, the speed control signal is applied through a signal line and a connector to the first controller of the electronic sewing machine, and the first controller controls the operating speed of the main motor according to the speed control signal.

REFERENCES:
patent: 4299182 (1981-11-01), Tanaka
patent: 4391211 (1983-07-01), Yamamoto et al.
patent: 4459926 (1984-07-01), Ohniwa

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