Feed dog mechanism for sewing machine

Details Feed dog mechanism for sewing machine Feed dog mechanism for sewing machine

1993-06-08

1994-08-16

Crowder, Clifford D.

Sewing

Stitch forming

Feeding work material

D05B 2708

Patent

active

053376897

ABSTRACT:
A sewing machine having a device feed dog (21) is disposed in a drive arrangement with a rotating main shaft (5). A lift eccentric (17) provides the feed device with the lift movement by means of an auxiliary carrier (43) and a feed drive (8) provides the feed dog (21) with the feed movement (FIG. 1). The device can alternatively be formed as a differential feed device (FIG. 6).

REFERENCES:
patent: 2713839 (1955-07-01), Engel
patent: 3472188 (1969-10-01), Hayes
patent: 4295434 (1981-10-01), Hsiao
patent: 4505213 (1985-03-01), Killinger
patent: 4624202 (1986-11-01), Alberti et al.
patent: 4674426 (1987-06-01), Kasuda et al.
patent: 5103751 (1992-04-01), Wang

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