Zigzag sewing machine

Details Zigzag sewing machine Zigzag sewing machine

1985-10-17

1987-02-17

Schroeder, Werner H.

Sewing

Stitch forming

Zigzag

D05B 302, D05B 306

Patent

active

046431209

ABSTRACT:
In a zigzag sewing machine a first group of pattern cams is rotated with a predetermined speed relative to a second pattern cam group by the arrangement of a transmission means between the first and second groups. A biasing means normally biases a cam follower to engage a selected pattern cam in said first and second groups. Cam selecting means operate to disengage the cam follower by way of the bias means and slidingly move the follower to a selected position along the cam groups.

REFERENCES:
patent: 2517079 (1950-08-01), Birdsall
patent: 3792673 (1974-02-01), Bianchi
patent: 4077341 (1978-03-01), Kasuga
patent: 4301754 (1981-11-01), Suzaki et al.
patent: 4428311 (1984-01-01), Sano

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