Sewing – Stitch forming – Feeding work material
Patent
1993-06-24
1994-03-15
Crowder, Clifford D.
Sewing
Stitch forming
Feeding work material
112323, 112317, D05B 2722
Patent
active
052938298
ABSTRACT:
A sewing machine including a shuttle/hook & bobbin assembly reciprocated to carry an under thread for making stitches with an upper thread on a workpiece, a stroke-adjustable feed mechanism controlled by a micro-inch stitch adjusting device to feed the workpiece in either direction or to let the workpiece be retained in place during stitching. The major parts of the sewing machine are respectively molded from ABS (acrylonitrile-butadiene-styrene) so that the weight as well as the manufacturing cost of the sewing machine are relatively reduced.
REFERENCES:
patent: 4501213 (1985-02-01), Meier
patent: 5018467 (1991-05-01), Jimenez et al.
Crowder Clifford D.
Lewis Paul C.
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