Control device for a differential feed of a sewing machine

Details Control device for a differential feed of a sewing machine Control device for a differential feed of a sewing machine

1982-04-22

1983-11-01

Hunter, H. Hampton

Sewing

Stitch forming

Feeding work material

11212111, D05B 2708

Patent

active

044124988

ABSTRACT:
A control device for a differential feed system of a sewing machine in which a control box is connected to a control motor regulating the relation of the feed rates imparted to feed elements engaging a workpiece. The control motor is formed as a pneumatic cylinder composed of individual single acting cylinders arranged in a carrier tube is series, and is operably connected to the differential feed system including two independently adjustable feed mechanisms each regulated by such a pneumatic cylinder. Different feeding conditions for the workpiece, such as feeding the workpiece in a compressed, stretched or neutral relation at various stitch lengths, may be selected by the operator at the control box.

REFERENCES:
patent: 3855956 (1974-12-01), Wurst
patent: 3980032 (1976-09-01), Kleinschmidt et al.
patent: 4143607 (1979-03-01), Hager
patent: 4274345 (1981-06-01), Schneider et al.
patent: 4303027 (1981-12-01), Uemura et al.

Affiliated with

Also associated with

Rating

Control device for a differential feed 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 Control device for a differential feed of a sewing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control device for a differential feed of a sewing machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2165084