Zig-zag sewing machine

Details Zig-zag sewing machine Zig-zag sewing machine

1976-12-13

1978-08-22

Schroeder, Werner H.

Sewing

Work manipulating

Guides

112221, D05B 302

Patent

active

041080920

ABSTRACT:
A pre-assembled sub-assembly of a plate carrying a needle bar on an oscillable cradle is mounted in a head at the free end of the upper arm of a zig-zag sewing machine. The upper edge of the plate is pivotally suspended from and slidable along a transverse bar. The plate is angularly fixed with the bore of a member on the needle bar in alignment with and receiving a gudgeon of a crank rod driven by the principal shaft of the machine, and is fixed on the bar to align the needle bar for cooperation of the needle with a shuttle hook.

REFERENCES:
patent: 1379468 (1921-05-01), Matson
patent: 1595245 (1926-08-01), Rader
patent: 2280289 (1942-04-01), Gerber
patent: 2853964 (1958-09-01), Zylbert
patent: 2856874 (1958-10-01), Odermann

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