Cam controlled gate spring for chain stitch sewing machine

Details Cam controlled gate spring for chain stitch sewing machine Cam controlled gate spring for chain stitch sewing machine

1984-04-16

1985-03-12

Reynolds, Wm. Carter

Sewing

Stitch forming

Chain or double chain

112112, 112169, D05B 314, D05B 5702, D05B 9702, D05B 9710

Patent

active

045037914

ABSTRACT:
A chain stitch sewing machine including a looper and cam assembly with cam tracks engageable by an actuator, a gate pivotally mounted on the assembly and a spring with one free end to engage and move the gate into positions controlling actuator movement between the tracks is provided with camming surfaces on a fixed member for lifting the free end of the spring to the top of the gate for passage from one side to the other.

REFERENCES:
patent: 1809192 (1931-06-01), Cahill et al.
patent: 3165080 (1965-01-01), Castelletti
patent: 3837306 (1974-09-01), Doyel
patent: 4401043 (1983-08-01), Peterson
patent: 4411210 (1983-10-01), Killinger

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