Sewing – Special machines – Buttonhole
Patent
1996-11-12
1998-05-19
Nerbun, Peter
Sewing
Special machines
Buttonhole
11247004, 11247006, 112447, D05B 2100, D05B 308
Patent
active
057524564
ABSTRACT:
A buttonhole sewing machine including stitching instrumentalities for forming zigzag stitches defining an eyelet-end buttonhole having an eyelet end portion at one end of a foot portion, by operations of a driving mechanism for operating needle and looper device of the stitching instrumentalities, a feeding mechanism for feeding work fabric feeding table along X and Y axes, and a rotating mechanism for rotating needle bar and looper base about an axis perpendicular to the X and Y axes, according to primary stitching data, and wherein a data input device is provided for operation by an operator to specify at least one characteristic of a bar tack portion to be formed at the other end of the foot portion of the eyelet-end buttonhole, and a data generating device is provided for generating tacking data as secondary stitching data on the basis of the specified characteristic or characteristics, to stitch the bar tack portion.
REFERENCES:
patent: 4495878 (1985-01-01), Asai et al.
patent: 4502401 (1985-03-01), Asai et al.
patent: 4648340 (1987-03-01), Hanyu et al.
patent: 4696245 (1987-09-01), Kato et al.
Ando Hideo
Funahashi Akihiro
Gamano Jun
Nishizawa Yoshifumi
Brother Kogyo Kabushiki Kaisha
Mitsubishi Denki & Kabushiki Kaisha
Nerbun Peter
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