Sewing machine control device having electrically movable connec

Details Sewing machine control device having electrically movable connec Sewing machine control device having electrically movable connec

1998-09-30

1999-08-17

Nerbun, Peter

Sewing

Elements

Presser devices

D05B 2902, D05B 6910

Patent

active

059377755

ABSTRACT:
A sewing machine includes a position rod fixed under a plate base for securing an electromagnet horizontally. The position rod has a front end holding a roller for a connecting band to extend around. The lower end of the connecting band is bound with a working rod of the electromagnet. In using the sewing machine, the electromagnet is electrically activated or desactivated to attract the working rod to the left side or the right side for pulling or not pulling the connecting band and a swing arm so as to lift or lower the presser foot. Thus the space for installing the electromagnet can be narrowed and the power required by itself may be decreased.

REFERENCES:
patent: 4246856 (1981-01-01), Sansone et al.
patent: 4676179 (1987-06-01), Nomura et al.

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