Device of a sewing machine for forming blind stitches

Details Device of a sewing machine for forming blind stitches Device of a sewing machine for forming blind stitches

1986-08-08

1988-11-15

Nerbun, Peter

Sewing

Stitch forming

Zigzag

112176, 112140, 112151, D05B 302, D05B 124

Patent

active

047840730

ABSTRACT:
In a sewing machine which stores stitch control signals in an electronic memory composed with a microcomputer, incorporated therein are a stitch selecting device, a blindstitching depth setting device and a blindstitching width setting device which are both independently set by operation of said stitch selecting device. When a blindstitching pattern is selected, said depth setting device and width setting device are made operative, and needle dropping left positions are set by said depth setting device, and right dropping positions or whole amplitudes are set by said width setting device, and they are input to the memory for forming the blindstitching patterns by the stitching control signal of the blindstitching pattern.

REFERENCES:
patent: 3795209 (1974-03-01), Smith
patent: 4223616 (1980-09-01), Kunimatsu et al.
patent: 4335667 (1982-06-01), Beckerman et al.
patent: 4389954 (1983-06-01), Makabe et al.

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