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US 4,785,752 AGranted
Material feeder of sewing machine
AssigneeIkeda Bussan Co., Ltd.
InventorYoshiro Soma
Life of this patent
Estimating the term…
Abstract
Herein disclosed is a material feeder of a sewing machine, which comprises a first mechanism which draws a predetermined length of a narrow and long material from a bobbin when actuated, and a second mechanism which actuates the first mechanism when the length of the material drawn from the bobbin is reduced to a predetermined degree.
Claims12
In a sewing machine for sewing a narrow and long material which is drawn from a bobbin, a material feeder which comprises:
- first means for drawing a predetermined length of the material from said bobbin when actuated;
- and
- second means for actuating said first means when the length of the material drawn from the bobbin is reduced to a predetermined degree.
Dependencies are inferred from the claim text.