Sewing – Special machines – Leather sewing
Patent
1981-02-04
1983-03-08
Lawson, Patrick D.
Sewing
Special machines
Leather sewing
D05B 1500
Patent
active
043757871
ABSTRACT:
The machine in question is for stitching the upper border of the tubular type of moccasin where the shoe upper is folded back externally over the vamp and is stitched with both initially extending in one plane, and it comprises a needle-first presser foot ensemble, movable perpendicularly to the parts to be stitched and parallel therewith, the infeed motion corresponding to the length of one stitch, a second presser foot placed downstream of the previously mentioned ensemble with respect to the infeed motion, movable perpendicularly to the parts to be stitched, for the locking thereof, a ruffler presser foot, positioned upstream of the said ensemble, movable perpendicularly to the parts to be stitched and parallel therewith, designed to ruffle the vamp jointly with a separator member fixed to the frame; the machine also comprises a device for folding the shoe upper back over the ramp, constituted by a disk on a horizontal shaft, perpendicular to the said parts to be stitched, and placed above the said ruffler presser foot, acting in unison therewith.
REFERENCES:
patent: 3460494 (1969-08-01), Denlser
Costruzioni Macchine da Cucire Industriali la Mocassino di Berdi
Lawson Patrick D.
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