Sewing – Special machines – Having tube end tensioner
Patent
1995-10-20
1997-04-22
Izaguirre, Ismael
Sewing
Special machines
Having tube end tensioner
112322, D05B 2710
Patent
active
056221282
ABSTRACT:
An automated circular sewing machine system for attaching an elastic band to a tubular body of fabric or forming and sewing a hem thereon without the elastic band. The system includes a sewing head which is located between a pair of elongated work holding roller assemblies which project outwardly on either side of the sewing head. The roller assemblies include a front or feed side rolling assembly and a rear or drive and tensioning roller assembly. The front roller assembly is free wheeling and is fixed in position relative to the sewing head while the rear roller assembly includes a motor driven drive and tensioning roller. The front roller assembly is a split roller assembly consisting of a pair of mutually aligned and free wheeling roller sections, with the outer section being preferably tapered, while the inner section is flanged for receiving and holding the elastic band in place thereon. Adjacent the inner section of the split roller assembly is a retractable separator plate which is inserted between and retracted from the elastic band and the tubular body of fabric and provides support for an edge guide mechanism which is postionable against the fabric of the tubular body for laterally adjusting the position of the inner edge of the fabric.
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Izaguirre Ismael
Jet Sew Technologies Inc.
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