Sewing data modifying apparatus

Details Sewing data modifying apparatus Sewing data modifying apparatus

1995-01-30

1996-07-23

Nerbun, Peter

Sewing

Special machines

Pattern controlled or programmed

112103, 112155, 11247502, 36447008, D05B 2100

Patent

active

055379451

ABSTRACT:
An apparatus for modifying sewing data to control a sewing machine including (a) a stitch-forming device for forming stitches on at least one work sheet, (b) a work-holding device for holding the work sheet, and (c) a displacing device for displacing at least one of the stitch-forming device and the work-holding device, relative to each other, according to the sewing data, the sewing machine having a prescribed coordinate system, the apparatus including a plurality of detectable objects located at a plurality of fixed positions spaced apart from each other on the work-holding device, respectively; a position detector which detects an actual position of each of the detectable objects in the prescribed coordinate system of the sewing machine; and a data modifying device for modifying the sewing data based on a difference of the detected actual position of the each of the detectable objects from a corresponding one of respective reference positions of the detectable objects in the prescribed coordinate system of the sewing machine.

REFERENCES:
patent: 4655149 (1987-04-01), Szydlek
patent: 4742786 (1988-05-01), Hashimoto et al.
patent: 4763586 (1988-08-01), Takenoya et al.
patent: 4920902 (1990-05-01), Takenoya et al.

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