Automatic sewing machine

Details Automatic sewing machine Automatic sewing machine

1977-08-19

1978-12-19

Nerbun, Peter

Sewing

Special machines

Darning

90 13R, D05B 2100, B23C 116

Patent

active

041300734

ABSTRACT:
In an automatic sewing machine of the type comprising a memory device storing a predetermined sewing pattern, a movable head including a cloth clamping member for clamping a piece of cloth to be sewed to a movable head, a pulse motor controlled by an electric signal read out from the memory device for moving the movable head at a predetermined speed thereby sewing the piece of cloth according to the sewing pattern, a working tool is mounted on the sewing machine, and a blank of a cloth clamping member is mounted on the movable head at a position to be worked by the working tool. At this time the pulse motor is driven at a speed lower than the predetermined speed, thereby working the blank to have a profile corresponding to the sewing pattern.

REFERENCES:
patent: 3503293 (1970-03-01), Sander
patent: 3752098 (1973-08-01), Logan et al.
patent: 3799084 (1974-03-01), Furnari
patent: 3800639 (1974-04-01), Restel
patent: 3810414 (1974-05-01), Gerber

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