Profile stitcher

Details Profile stitcher Profile stitcher

1988-12-22

1991-01-08

Nerbun, Peter

Sewing

Special machines

Darning

112103, D05B 2100

Patent

active

049826751

ABSTRACT:
A profile stitcher capable of stitching both curved or cornered portions of a stitch path with the same stitch pitch as straight portions by controlling the speed of a sewing motor or a roller motor which conducts a profiled frame combination with workpieces clamped therebetween. A photo sensor sends signals to one of the controlling motors to change motor speed when receiving light reflected from a reflective seal on the frame. This seal indicates a curved or cornered portion of a stitch line.

REFERENCES:
patent: 3172379 (1965-03-01), Light
patent: 4008672 (1977-02-01), Cianciotti
patent: 4359009 (1982-11-01), Bennison
AMF Autojig Model 84-19 MP Automatic Profile Stitching System Brochure (date unknown).

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