Sewing machine and work fabric holder device thereof

Sewing – Special machines – Embroidering

Patent

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Details

11247018, 112309, D05C 904

Patent

active

055535607

ABSTRACT:
A sewing machine serves to form stitches on a curved work fabric by an upper and a lower thread through cooperation of a shuttle and a needle vertically reciprocally driven. The sewing machine includes a holder device for retaining the work fabric to be sewn. The holder device is supported by a support device and is rotatably within a plane in parallel to X axis. The support device is movable in a direction of Y axis. The X axis and the Y axis are perpendicular to each other within a plane extending substantially perpendicular to the driving direction of the needle. The holder device is rotated by an X axis drive mechanism within the plane in parallel to the X axis. The support device is moved by a Y axis drive mechanism in the direction of the Y axis. The holder device serves to retain the work fabric so as to provide a sewable area for substantially the entire circumferential surface of the work fabric.

REFERENCES:
patent: 4117790 (1978-10-01), Hasegawa et al.
patent: 5261338 (1993-11-01), Tajima et al.
patent: 5415116 (1995-05-01), Nishio

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