Automatic sewing device with a sewing head including a rotary ho

Details Automatic sewing device with a sewing head including a rotary ho Automatic sewing device with a sewing head including a rotary ho

1989-05-31

1990-05-22

Schroeder, Werner H.

Sewing

Special machines

Darning

112220, 112309, D05B 3900, D05B 6928

Patent

active

049267698

ABSTRACT:
In an automatic sewing device the sewing head has, for producing a tangential path of the needle relative to the seam to be produced, a rotary housing which receives the needle bar and a likewise rotatable hook bearing which receives the hook and which can be tilt driven by an adjusting shaft at the same angle of rotation as the rotary housing. A drive shaft is provided for driving the needle bar and the hook. To enable even pivoting movements of the rotary housing in a simple embodiment without a change in the height of the needle bar occurring, there are provided a device for the drive-like connection of the adjusting shaft and the drive shaft and a device for the disengagement of the drive motor from the drive shaft.

REFERENCES:
patent: 4553489 (1985-11-01), Landwehr
patent: 4574718 (1986-03-01), Scholl et al.
patent: 4674421 (1987-06-01), Iwase
patent: 4787324 (1988-11-01), Fischer et al.
patent: 4787326 (1988-11-01), Scholl et al.
patent: 4817543 (1989-04-01), Fischer

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