Device for controlling feeding quantity of a sewing machine

Details Device for controlling feeding quantity of a sewing machine Device for controlling feeding quantity of a sewing machine

1989-11-24

1991-05-14

Nerbun, Peter

Sewing

Stitch forming

Feeding work material

112313, 112320, D05B 2706, D05B 2708

Patent

active

050146351

ABSTRACT:
A device for controlling feeding quantity of a sewing machine includes a driver for driving an upper feed-dog and a lower feed-dog, a first setter for setting the feeding quantity of the lower feed-dog, a second setter for setting a ratio of the feeding quantity of the upper feed-dog to that of the lower feed-dog, a first adjuster for adjusting the feeding quantity of the lower feed-dog based on the set value at the first setter, and a second adjuster for adjusting the feeding quantity of the upper feed-dog based on the set value at the first setter and the ratio set at the second setter.

REFERENCES:
patent: 2941487 (1960-06-01), Winz
patent: 3160127 (1964-12-01), Orth et al.
patent: 3174449 (1965-03-01), Bono
patent: 3202121 (1965-08-01), Orth et al.
patent: 3368507 (1968-02-01), Orth
patent: 3605662 (1971-09-01), Willenbacher et al.
patent: 3954071 (1976-05-01), Mall et al.
patent: 4143607 (1979-03-01), Hager
patent: 4503794 (1985-03-01), Ishibara et al.
patent: 4777896 (1988-10-01), Nomura
patent: 4848254 (1989-07-01), Krowatchek et al.

Affiliated with

Also associated with

Rating

Device for controlling feeding quantity of a sewing machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for controlling feeding quantity of a sewing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for controlling feeding quantity of a sewing machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1640266