Sewing machine and method of sewing patterns

Details Sewing machine and method of sewing patterns Sewing machine and method of sewing patterns

1985-09-17

1986-05-27

Nerbun, Peter

Sewing

Stitch forming

Zigzag

1122661, D05B 302

Patent

active

045908818

ABSTRACT:
A sewing machine for stitching a stitch pattern having a predetermined shape in accordance with stitch pattern data, comprising a memory circuit for storing an initial value indicating the needle swing position for stitch start, a basic stitch number indicating the stitch number required for the formation of one pattern, and quantity of needle swing every stitch pattern, a counter in which the high-order digit portion and the low-order digit portion have the same number of digits, and a control circuit for setting said basic needle number into the low-order digit portion of said counter, adding logic value "1" to each digit of the low-order digit portion, determining a needle swing position in accordance with the arithmetic data, and conducting automatic stitch of said stitch pattern in accordance with the needle swing position thus determined.

REFERENCES:
patent: 4116144 (1978-09-01), Tanimoto et al.
patent: 4141305 (1979-02-01), Takenoya et al.
patent: 4222339 (1980-09-01), Iwako
patent: 4227472 (1980-10-01), Bergvall

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