Temperature compensated solenoid in a sewing machine

Details Temperature compensated solenoid in a sewing machine Temperature compensated solenoid in a sewing machine

1986-08-18

1987-04-14

Nerbun, Peter

Sewing

Stitch forming

Feeding work material

11212111, D05B 6918, D05B 6920

Patent

active

046569588

ABSTRACT:
A sewing machine control device in which a solenoid is used to reverse sewing directions after a selected number of stitches. The temperature of the solenoid is measured and the energization or deenergization of the solenoid is advanced to account for the thermally increased time constant of the solenoid.

REFERENCES:
patent: 4067276 (1978-01-01), Mohilo et al.
patent: 4509445 (1985-04-01), Fujikawa et al.

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