Safety device for zigzag sewing machine and zigzag sewing machin

Details Safety device for zigzag sewing machine and zigzag sewing machin Safety device for zigzag sewing machine and zigzag sewing machin

1995-09-06

1997-02-11

Izaguirre, Ismael

Sewing

Stitch forming

Zigzag

112448, D05B 302, D05B 1914

Patent

active

056010427

ABSTRACT:
A safety device for a zigzag sewing machine comprising a swing width adjusting mechanism, a basic line setting mechanism, and a pattern setting mechanism, is made up of: pattern change inhibiting mechanism which, where a basic line other than the middle basic line has been set by the basic line setting mechanism, prevents a regular pattern sewing mode set by the pattern setting mechanism from being changed to an inverse pattern sewing mode; and basic line change inhibiting mechanism which, where an inverse pattern has been set by the pattern setting mechanism, prevents the middle basic line set by the basic line setting mechanism from being changed to other than the middle basic line.

REFERENCES:
patent: 2888893 (1959-06-01), Gegauf
patent: 3060875 (1962-10-01), Iida
patent: 3215104 (1965-11-01), Bono
patent: 4063525 (1977-12-01), Sasaki
patent: 4368681 (1983-01-01), Hanyu et al.

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