Cutter actuator of a button perforating sewing machine

Details Cutter actuator of a button perforating sewing machine Cutter actuator of a button perforating sewing machine

1989-07-03

1991-04-16

Schroeder, Werner H.

Sewing

Special machines

Buttonhole

D05B 300

Patent

active

050073567

ABSTRACT:
A cutting actuator for a button perforating sewing machine enables sequence of various operating steps in a button perforating operation of sewn cloth to be changed under control of an operator.
The actuator employs a solenoid controlled arrangement wherein actuation of the solenoid selects one sequence while deactuation of the solenoid selects another sequence.

REFERENCES:
patent: 1048786 (1912-12-01), Allen
patent: 1136388 (1915-04-01), Allen
patent: 1179378 (1916-04-01), Allen
patent: 1807577 (1931-05-01), Allen
patent: 2174294 (1939-09-01), Spaine
patent: 4552080 (1985-11-01), Miyazaki

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