Portable, single-thread chain stitch, bag closing machine with a

Details Portable, single-thread chain stitch, bag closing machine with a Portable, single-thread chain stitch, bag closing machine with a

1989-07-10

1990-11-20

Schroeder, Werner H.

Sewing

Elements

Needles

112 11, D05B 5506

Patent

active

049709771

ABSTRACT:
A portable, single-thread chain stitch bag closing machine has a movable needle guiding device. A looper mounted so as to be slidable in a feed direction of a workpiece and pivotable transversely to the feed direction is protected against damage or breakage by a needle guide which guides a needle in the feed direction of the workpiece when the looper pivots towards the needle. The needle guide thereby ensures that a point of the looper reliably pivots past the needle, without coming into contact with the needle.

REFERENCES:
patent: 434996 (1890-08-01), Sawtell
patent: 1387094 (1921-08-01), Barron
patent: 1738644 (1929-12-01), Gatchell
patent: 2444657 (1948-07-01), Vesconte et al.
patent: 2496243 (1950-01-01), Clayton
patent: 2577430 (1951-12-01), Peterson et al.
patent: 2960946 (1960-11-01), Lutz et al.

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