Presser foot device for a sewing machine

Details Presser foot device for a sewing machine Presser foot device for a sewing machine

1989-11-30

1991-08-27

Schroeder, Werner H.

Sewing

Elements

Presser devices

112320, D05B 2704, D05B 2900

Patent

active

050424068

ABSTRACT:
In a sewing machine, a pivotable lever is provided in accordance with the present invention which carries a presser foot which is brought by an actuating device from a low position to a high position. In the low position the foot is applied to the material to be sewn. In the high position the foot is spaced from the material. The lever is equipped with rolling members which rest on guide ramps. The members and ramps have a profile such that during displacement of the presser foot between its two positions, the foot always follows a vertical path.

REFERENCES:
patent: 1602140 (1926-10-01), Avis
patent: 2238796 (1941-04-01), Knaus
patent: 2241778 (1941-05-01), Giancola
patent: 3437062 (1969-04-01), Hacklander
patent: 4166422 (1979-09-01), Porter
patent: 4214543 (1980-07-01), Garron et al.
patent: 4285294 (1981-08-01), Aida
patent: 4417536 (1983-11-01), Shiomi
patent: 4476796 (1984-10-01), Vollmar
patent: 4480566 (1984-10-01), Lukawich et al.
patent: 4686917 (1987-08-01), Braun

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