Programming device for an automatic sewing machine

Details Programming device for an automatic sewing machine Programming device for an automatic sewing machine

1982-08-13

1985-02-12

Nerbun, Peter

Sewing

Special machines

Darning

112103, D05B 2100

Patent

active

044984030

ABSTRACT:
A programming device for an automatic sewing machine wherein a succession of stitches defining a stitch pattern are formed through relative movements between a needle and a work holder according to a batch of sewing instructions. The programming device comprises: a sewing instruction memory for storing the sewing instructions to form the stitch pattern; numeric keys for setting a desired number of angular divisions of a plane about a preset coordinate point into equal angles, the preset coordinate point being defined by a first sewing instruction stored in the memory; and a control circuit adapted to prepare, based on the stored sewing instructions, another batch of sewing instructions for forming the switch pattern at a plural number of positions corresponding to said desired number of angular divisions, the plural number of positions being circumferentially spaced about the preset coordinate point in every degree of said equal angles, and store the prepared another batch of sewing instructions in the sewing instruction memory.

REFERENCES:
patent: 4222339 (1980-09-01), Iwako
patent: 4383489 (1983-05-01), Sugiyama et al.
patent: 4399760 (1983-08-01), Bergvall

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