Sewing machine control mechanism

Details Sewing machine control mechanism Sewing machine control mechanism

1997-02-27

1998-01-06

Lewis, Paul C.

Sewing

Stitch forming

Chain or double chain

112162, 112168, 112166, D05B 110

Patent

active

057043035

ABSTRACT:
A sewing machine includes two rods rotatably and slidably supported in the sewing machine and two lower loopers secured on the rods. A spindle is coupled to the rods by an eccentric and coupling members for rotating the rods and the lower loopers. One of the lower loopers may be moved axially together with one rod to which a pawl is rotatably supported, The pawl may be selectively engaging with the other rod for allowing the pawl to selectively moving the other rod axially and for allowing the lower loopers to perform two double chain stitchings.

REFERENCES:
patent: 2441931 (1948-05-01), Clayton
patent: 2758557 (1956-08-01), Muecke
patent: 3433191 (1969-03-01), Goebel et al.
patent: 3783810 (1974-01-01), Marforio
patent: 4690080 (1987-09-01), Mikuni et al.
patent: 5269240 (1993-12-01), Holl et al.

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