Workpiece holding-down device for a sewing machine

Details Workpiece holding-down device for a sewing machine Workpiece holding-down device for a sewing machine

1983-09-26

1985-09-03

Schroeder, Werner H.

Sewing

Elements

Presser devices

112275, 112284, D05B 6928, D05B 2902

Patent

active

045385335

ABSTRACT:
A workpiece holding-down device for a sewing machine comprises a spring-loaded presser bar and foot assembly supported in the framework of said sewing machine, a drive mechanism for moving said assembly vertically, and a control circuit for controlling the movement of said presser bar. The foot assembly includes signal means for positioning the presser bar and foot assembly in a controlled position in response to the actuation of an operation member or stored information.

REFERENCES:
patent: 2970557 (1961-02-01), Schwab et al.
patent: 3230915 (1966-01-01), Becker et al.
patent: 3298341 (1967-01-01), Bonis
patent: 3601072 (1971-08-01), Husted
patent: 4214540 (1980-07-01), Cook

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