Stitch switching mechanism for a chain stitch sewing machine

Details Stitch switching mechanism for a chain stitch sewing machine Stitch switching mechanism for a chain stitch sewing machine

1988-08-11

1991-02-19

Reynolds, Wm. Carter

Sewing

Stitch forming

Feeding work material

112DIG3, D05B 2722

Patent

active

049933388

ABSTRACT:
A chain stitch sewing machine has a movable stitch eccentric shaft for switching between a bunch stitch and a long stitch and a rotatable main drive shaft. A mechanism is mounted on the main drive shaft for rotation therewith to move the eccentric shaft to effect the switching from the switch to the other while the machine is in operation.

REFERENCES:
patent: 2577705 (1951-12-01), Hoffmeister
patent: 2643625 (1953-06-01), Keimer
patent: 3392692 (1968-07-01), Reimer
patent: 4296700 (1981-10-01), Jehle et al.

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