Sewing machine having a cutting device

Details Sewing machine having a cutting device Sewing machine having a cutting device

1981-10-13

1983-05-24

Schroeder, Werner H.

Sewing

Work manipulating

Trimmers

112123R, D05B 3706

Patent

active

043845401

ABSTRACT:
A sewing machine has a work bearing surface in a substantially horizontal plane and a cutting device for the work including a bottom knife disposed in the horizontal plane of the work bearing surface and a top knife movable in the vertical direction. The cutting device has a toggle lever transmission drive comprising two articulatedly connected connecting rods, the joint of which is connected with a drive element. One of the two connecting rods is connected, at an outer joint thread with the top knife.

REFERENCES:
patent: 1232365 (1917-07-01), Moffatt
patent: 3009432 (1961-11-01), Reeber et al.
patent: 3756174 (1973-09-01), Wenz et al.

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