Method of automatically adjusting thread tension in a sewing mac

Details Method of automatically adjusting thread tension in a sewing mac Method of automatically adjusting thread tension in a sewing mac

1984-01-25

1986-01-21

Nerbun, Peter

Sewing

Elements

Frames

112254, 112272, D05B 4704

Patent

active

045651434

ABSTRACT:
A method of automatically adjusting thread tension in a sewing machine including detecting changes of load subjected on the needle bar caused when the needle penetrates the fabric to be sewn and adjusting the electric driving part of the thread tension device in accordance with the values of the changing components of the load.

REFERENCES:
patent: 4170951 (1979-10-01), Dobrjanskyj
patent: 4301757 (1981-11-01), Tonomura
patent: 4331089 (1982-05-01), Widmer
patent: 4370938 (1983-02-01), Bergvall
patent: 4377980 (1983-03-01), Hanyu et al.

Affiliated with

Also associated with

Rating

Method of automatically adjusting thread tension in a sewing mac does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of automatically adjusting thread tension in a sewing mac, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of automatically adjusting thread tension in a sewing mac will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2293837