Method of positioning and feeding fabric in sewing machine

Details Method of positioning and feeding fabric in sewing machine Method of positioning and feeding fabric in sewing machine

1992-02-19

1993-06-29

Nerbun, Peter

Sewing

Elements

Frames

271227, D05B 2100

Patent

active

052224511

ABSTRACT:
A fabric position correcting device detects the position of at least one of an outer profile line and a pattern of a fabric portion corresponding to one of pressers, corrects the position of the fabric portion while holding the same whose position has been detected, and presses the fabric portion with the presser after the position thereof has been corrected. The aligning process composed of the above three steps is carried out four times successively with respect to fabric portions corresponding to the respective pressers from the leading end of the fabric in the direction in which it is fed. Then, the positionally corrected fabrics are fed to the sewing start position. Therefore, the positional correction of the fabrics relative to at least one of the outer profile line and the pattern thereof can be accurately, reliably, and automatically carried out from the leading end to trailing end of the fabrics.

REFERENCES:
patent: 4834008 (1989-05-01), Sadeh et al.
patent: 4901659 (1990-02-01), Nomura et al.
patent: 4901660 (1990-02-01), Takeuchi et al.
patent: 5131339 (1992-07-01), Goodridge

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