Sewing apparatus

Details Sewing apparatus Sewing apparatus

1995-12-19

1997-07-22

Nerbun, Peter

Sewing

Special machines

Pattern controlled or programmed

11247006, 409 79, D05B 2100, B23C 116

Patent

active

056494971

ABSTRACT:
A sewing apparatus is provided with an X-Y unit 4 for horizontally moving a cassette in relation to a sewing machine 3, memory 23 for holding sewing data for driving the X-Y unit 4 in accordance with a sewing pattern and feeding data for feeding only the cassette without entailing stitching action, a drill 10 for grooving a slot in the cassette, a vertical drive mechanism 18 for vertically moving the drill 10, and a CPU 22. The drill 10 is moved downward while rotating, and the X-Y unit 4 is actuated on the basis of the sewing data to form the slot. After the drill 10 has become deactivated and moved upwards, the cassette is fed on the basis of the feeding data. Since the CPU 22 executes the rotation and downward movement of the drill 10 at the time of grooving and the upward movement and interruption of rotation of the drill 10 at the time of feeding, switching operation required to rotate, move downward, move upward and to stop the drill 10 becomes unnecessary.

REFERENCES:
patent: 4130073 (1978-12-01), Kimura et al.
patent: 5205232 (1993-04-01), Sadeh et al.

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