Feed generating device for sewing machine

Details Feed generating device for sewing machine Feed generating device for sewing machine

2005-10-27

2008-12-09

Izaguirre, Ismael (Department: 3765)

Sewing

Stitch forming

Zigzag

Reexamination Certificate

active

07461606

ABSTRACT:
A feed generating device for a sewing machine capable of selectively sewing one of a plurality of utility patterns and a plurality of super patterns including a single super feed cam generating a cloth feed for sewing the super pattern, a single or a plurality of feed contacts capable of contacting the super feed cam and a switching mechanism that moves the feed contact to a plurality of contact locations having different swing phases with respect to the super feed cam. The cloth feed for sewing the super pattern is a combination of a forward feed and a backward feed and by moving the feed contact to either one of a plurality of contact locations by the switching mechanism, cloth feed including different patterns of combination of the forward feed and the backward feed are generated.

REFERENCES:
patent: 4368681 (1983-01-01), Hanyu et al.
patent: 4428311 (1984-01-01), Sano
patent: 4463694 (1984-08-01), Sano
patent: 6948438 (2005-09-01), Takahashi et al.
patent: A 2000-167273 (2000-06-01), None

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