Automated thread trimming apparatus for use for sewing machines

Details Automated thread trimming apparatus for use for sewing machines Automated thread trimming apparatus for use for sewing machines

1982-05-05

1983-12-20

Hunter, H. Hampton

Sewing

Elements

Thread cutting, severing or breaking

112130, 112163, 112294, 112300, 112301, D05B 6504

Patent

active

044210450

ABSTRACT:
An automated thread trimming apparatus is provided for use with a sewing machine having a plurality of needles. The apparatus is mounted on the side of the sewing machine away from the sewing machine operator. A pair of blades is provided for each needle of the sewing machine. The blades are adjustably mounted on blade mounting bars. Upon actuation, the blades are positioned to straddle each array of stitches produced by the sewing machine needles. The blade mounting bars are then moved slidably relative to one another so that each pair of blades severs an array of stitches. The blade mounting bars are then moved away from the work table of the sewing machine allowing the next workpiece to be sewn.

REFERENCES:
patent: 2705466 (1955-04-01), Sargrove et al.
patent: 3472189 (1969-10-01), White
patent: 3550545 (1970-12-01), Cremer
patent: 3848555 (1974-11-01), Boser

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