Walking foot feed for sewing machines

Details Walking foot feed for sewing machines Walking foot feed for sewing machines

1982-10-04

1984-05-22

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

112320, D05B 2706

Patent

active

044494645

ABSTRACT:
A walking foot top feed for a sewing machine in which a walking foot is supported on a beam and a presser foot is supported on an arm, an independent beam being connected to both the presser foot arm and to the walking foot beam and a source of power being connected to the independent beam, the independent beam transferring motion from the source to the walking foot beam and to the presser foot arm to cause out-of-phase movement of the walking foot and the presser foot.

REFERENCES:
patent: 1006827 (1911-10-01), Chauvet et al.
patent: 1243160 (1917-10-01), Grieb
patent: 2549057 (1951-04-01), Chinnici
patent: 2967498 (1961-01-01), Russell et al.
patent: 3256844 (1966-06-01), Chezaud et al.
patent: 3530809 (1970-09-01), Porter
patent: 3636899 (1972-01-01), Crisler
patent: 3688712 (1972-09-01), Edwards
patent: 3995571 (1976-12-01), Porter
patent: 4166422 (1979-09-01), Porter
patent: 4285294 (1981-08-01), Aida

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