Sewing – Special machines – Traveling sewing machine
Patent
1995-10-10
1996-09-10
Nerbun, Peter
Sewing
Special machines
Traveling sewing machine
11247007, 11247016, 11247506, 11247507, 11247509, D05B 2100, D05B 3300
Patent
active
055535640
ABSTRACT:
An automatic sewing machine system for sewing a small workpiece to a larger workpiece by moving the sewing head and needle along an extended predetermined path while the workpieces remain stationary. Also provided is a method for using this system. The larger workpiece is positioned on a rotating work plate before the smaller workpiece is loaded in folding apparatus that folds and positions the smaller workpiece in a predetermined position on the larger workpiece. A clamp mechanism secures the workpieces to the work plate before the work plate is rotated under the sewing head and locked in a stationary position. The sewing head is mounted on a programmable computer controlled extended travel X-Y carriage allowing programmable and automatic control of the seam pattern and the rate at which the sewing head traverses the seam pattern. Stitch density is controlled by adjusting the programmable variable speed reciprocation rate of the sewing head needle in conjunction with the rate at which the sewing head traverses the seam pattern. After the machine is loaded, the system automatically folds and positions the workpieces on the work plate and clamps the workpieces before the work plate is rotated under the sewing head. The work plate is locked in position while a predetermined stitch pattern is applied to sew the workpieces.
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American Sewing Machine, Inc.
Nerbun Peter
Williams Dan
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