Free motion sewing methods and mechanisms

Details Free motion sewing methods and mechanisms Free motion sewing methods and mechanisms

2005-01-18

2005-01-18

Izaguirre, Ismael (Department: 3765)

Sewing

Method of sewing

C112S260000, C112S475080, C112S117000, C112S102000

Reexamination Certificate

active

06843190

ABSTRACT:
A method and mechanism for free form sewing in which the workpiece is being sewn on a sewing machine having a plastic sheet or panel secured to the sewing machine work surface which has a coefficient of friction in any of several ranges which are all considered to be low friction coefficients. Depending upon the plastic material used, the coefficient of friction of any particular material may be in the range of 0.02 to 0.20, or in smaller ranges of coefficients of friction. The objective in using the method or mechanism is to permit the workpiece being sewn by free form sewing to be moved more easily with less frictional resistance by the hands of the sewing machine operator. Various plastics usable include various types of Teflon.

REFERENCES:
patent: 2580101 (1951-12-01), Johnson
patent: 2652800 (1953-09-01), Scheiwiller
patent: 3066628 (1962-12-01), Morrissey
patent: 4150633 (1979-04-01), Adams
patent: 4357885 (1982-11-01), Stockton
patent: 4441444 (1984-04-01), Jung

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