Automatic sewing system with optical path following

Details Automatic sewing system with optical path following Automatic sewing system with optical path following

1987-09-25

1989-05-30

Nerbun, Peter

Sewing

Special machines

Darning

D05B 2100

Patent

active

048340081

ABSTRACT:
Computerized sewing apparatus having incorprated therein edge position sensing apparatus and the capability to modify, in real time, a pre-programmed sewing path in accordance with the actual position of the piece being sewn. The apparatus comprises a sewing head, a workholder, a microprocessor coupled to the workholder for moving the whorkholder relative to the sewing head, apparatus for sensing the edge position of an object on the workholder and arranged to provide an output signal corresponding thereto to the microprocessor, comparator apparatus in the microprocessor to compare the actual edge position with the programmed expected edge position and to determine any deviation, and apparatus coupled to the micrprocessor for modifying the sewing path during sewing to compensate for any such deviation.

REFERENCES:
patent: 4498404 (1985-02-01), Sadeh
patent: 4526116 (1985-07-01), Mannel
patent: 4591139 (1986-05-01), Engelbart

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