Sewing machine apparatus for the succesive production of a numbe

Details Sewing machine apparatus for the succesive production of a numbe Sewing machine apparatus for the succesive production of a numbe

1989-06-05

1991-05-28

Nerbun, Peter

Sewing

Special machines

Darning

112 70, 112104, D05B 2100

Patent

active

050191160

ABSTRACT:
In the sewing unit for the successive production of a number of stitch groups in a workpiece, a carriage supported slidably in two opposite directions on a frame and bearing a stitch group sewing machine. The sewing unit is periodically driven by a drive unit back and forth. A clamping device, slidably supported on the frame, is periodically coupled to the carriage by a clutch unit. The stitch group sewing operation takes place during the synchronous motion of the stitch group sewing machine and the clamping device. When the sewing operation is completed and the carriage is at rest, a pushing device attached to the frame pushes the clamping device, once it has been uncoupled from the carriage, in the opposite direction to its previously executed motion, back into its initial position.

REFERENCES:
patent: 3974786 (1976-08-01), Bianchi
patent: 4327653 (1982-05-01), Blessing
patent: 4481895 (1984-11-01), Asao et al.
patent: 4669404 (1987-06-01), Yoneda
patent: 4669405 (1987-06-01), Resta et al.
patent: 4696242 (1987-09-01), Scholl et al.

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