Automatic sewing machine

Details Automatic sewing machine Automatic sewing machine

1976-10-14

1979-01-23

Nerbun, Peter

Sewing

Special machines

Darning

112275, D05B 2100

Patent

active

041354591

ABSTRACT:
A support carrying a cloth clamping member is moved in the X and Y directions of rectangular coordinates by a pair of pulse motors which are controlled by a control system to perform a profile sewing of a predetermined pattern. Reciprocation and stopping of the needle at the upper or lower dead center are also controlled by the control system which comprises a memory device for storing information regarding the numbers of pulses required to drive the pulse motors for moving the support in the X and Y directions by one sewing pitch and regarding repeated numbers of the sewing pitch in the X and Y directions, the pulses being produced by converting the profile into the amounts of movements in the X and Y directions, and information which commands the starting of the sewing operation, thread cutting, vertical reciprocation of the needle and the stopping of the needle at a upper or a lower dead center, in the form of binary codes and according to the predetermined sequences of the sewing operation.

REFERENCES:
patent: 3208414 (1965-09-01), Reeber et al.
patent: 3752098 (1973-08-01), Logan et al.
patent: 3830175 (1974-08-01), Levor
patent: 3872808 (1975-03-01), Wurst
patent: 3982491 (1976-09-01), Herzer et al.

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