Fabric position correcting device

Details Fabric position correcting device Fabric position correcting device

1992-02-04

1993-01-12

Nerbun, Peter

Sewing

Special machines

Darning

271227, 271241, D05B 2100

Patent

active

051780801

ABSTRACT:
A fabric position correcting device for correcting relative position of two fabrics in terms of alignment in at least one of outer profile lines and patterns of the fabrics. A pair of fabric holders are provided which respectively hold first and second fabrics. The holders are movable in X, Y directions, and angularly rotatable about a vertical axis for moving the respective fabrics. A pair of image sensors are provided for picking up at least one of outer profiles and patterns of the respective fabrics. Data from the image sensors are utilized for computation of moving distance and angular rotation angle of the holders in order to eliminate misalignment between two fabrics in terms of at least one of the profiles and patterns.

REFERENCES:
patent: 4849902 (1989-07-01), Yokoe et al.
patent: 4917030 (1990-04-01), Bisson et al.
patent: 5012752 (1991-03-01), Murata et al.
patent: 5021965 (1991-06-01), Olbrich

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