Stitch pattern sewing machine

Details Stitch pattern sewing machine Stitch pattern sewing machine

1990-05-22

1991-06-25

Nerbun, Peter

Sewing

Stitch forming

Zigzag

112458, D05B 302

Patent

active

050257404

ABSTRACT:
A stitch pattern sewing machine includes a ROM for storing triple stitch pattern data for a large size pattern and single stitch pattern data for a small size pattern for each pattern of a plurality of patterns, a pattern selecting unit for selecting one of the patterns, an enlargement switch for enlarging a size of the pattern selected by the pattern selecting unit, a reduction switch for reducing the size of the pattern selected by the pattern selecting unit, a CPU, and a driving unit for forming a stitch. The CPU selects one of the triple stitch pattern data and the single stitch data based on size of the pattern. The CPU controls the driving unit based on the selected pattern data and size of the pattern. As a result, stitch thickness can be varied with pattern size to maintain a desired appearance.

REFERENCES:
patent: 4309950 (1982-01-01), Franklin
patent: 4572095 (1986-02-01), Makabe et al.
patent: 4599959 (1986-07-01), Sano et al.
patent: 4704974 (1987-11-01), Herdeg et al.
patent: 4823715 (1989-04-01), Horie et al.
BROTHER "LeMieux 7000" brochure, 4/1990, first published 8/1989.

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