Feeding rate adjusting unit of a sewing machine

Details Feeding rate adjusting unit of a sewing machine Feeding rate adjusting unit of a sewing machine

1989-07-03

1991-04-02

Schroeder, Werner H.

Sewing

Stitch forming

Feeding work material

112317, D05B 2722

Patent

active

050039016

ABSTRACT:
A feeding adjusting dial has at an inner circumferential surface thereof a plurality of teeth fixed to a stopper defined in the body of an arm of the sewing machine at both sides of the feeding rate adjusting shaft meshes with one of the plurality of teeth of the feeding rate adjusting dial. The feeding rate adjusting shaft is screwed into the body of the arm at a portion thereof and has a tip end thereof brought into contact with a cam surface of a feeding adjusting cam. The feeding adjusting cam is connected to a feeding adjusting table via a link. The feeding rate adjusting shaft comprises a first member, a second member and an elastic coupling for connecting the first and second members. One of the first and second members is screwed into the body of the arm of the sewing machine.

REFERENCES:
patent: 1118271 (1914-11-01), Diehl et al.

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