US 8,061,285 B2 · Sewing machine for stitching a stippling pattern

Abstract

The convex portions 25 are formed as arranged in contact or substantially in contact with the points A1˜A7 of first group respectively that are provided on the upper side limit line 76 and the concave portions 26 are formed as arranged with a predetermined space provided away from the points a1˜a7 of first group respectively that are provided on the lower side limit line 77. On the other hand, the concave portions 26 are formed as arranged with a predetermined space provided away from the points of second group respectively that are provided on the upper side limit line 76 and the convex portions 25 are formed as arranged in contact or substantially in contact with the points b1˜b4 of second group respectively that are provided on the lower side limit line 77. Thus the upper and lower side limit lines 76, 77 that are arranged opposite to each other have the points A and a of first group and the points B and b of second group provided thereon respectively while the convex portions 25 and the concave portions 26 are formed as arranged in reversed relation in connection with the upper and lower side limit lines 76 and 77.

Claims9

Dependent claims

A sewing machine for stitching a stippling pattern that is to be depicted in a square embroidery stitching area comprising;

a memory for storing therein stitch data for stitching a stippling pattern,
a stitching means for stitching the stippling pattern,
a control means for controlling the operation of the stitching means, thereby to stitch the stippling pattern in accordance with the stitch data stored in the memory,
the stitch data stored in the memory for stitching the stippling pattern being provided to form convex portions as are depicted substantially in contact with a plurality of points of first group respectively, the points of first group being provided on one of the opposite sides of the square embroidery stitching area, and the stitch data being provided further to form concave portions as are depicted with a predetermined space provided away from a plurality of points of second group respectively, the points of second group being provided on said one of the opposite sides of the square embroidery stitching area,
said stitch data being provided to form concave portions as are depicted with a predetermined space provided away from a plurality of points of first group respectively, the points of first group being provided on the other of the opposite sides of the square embroidery stitching area, and said stitch data being provided further to form convex portions as are depicted as arranged substantially in contact with a plurality of points of second group respectively, the points of second group being provided on said other of the opposite sides of the square embroidery stitching area.

2 more elements

Dependencies are inferred from the claim text.

Sewing machine for stitching a stippling pattern

Life of this patent

Sewing machine for stitching a stippling pattern

Life of this patent

Abstract

Claims9