Sewing machine stitching control system

Details Sewing machine stitching control system Sewing machine stitching control system

1978-09-14

1980-04-01

Nerbun, Peter P.

Sewing

Special machines

Darning

112275, 112317, D05B 1900

Patent

active

041955820

ABSTRACT:
An adjunct control system for electronically controllable sewing machines which increases the flexibility of the sewing system by providing the functions of mechanically programmable stitch counting for each of a predetermined number of stitching sequences, programmable needle positioning, reverse stitching, thread trimming and wiping, and manually selected program interruption for selected conditions. A micro-processor auxiliary control system is utilized which is interfaced with a standard commercially available sewing machine control system in such manner that the sewing machine may be used in either its standard mode of operation without the micro-processor control, or may be used under micro-processor control. The micro-processor includes a central processing unit, a program memory, read/write storage, a control decoder and input/output devices for accessing the CPU and for interchanging control signals between the micro-processor and the standard sewing machine control system.

REFERENCES:
patent: 3074632 (1963-01-01), Braun et al.
patent: 4104976 (1978-08-01), Landau, Jr. et al.

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