Looper drive for a chain stitch sewing machine

Details Looper drive for a chain stitch sewing machine Looper drive for a chain stitch sewing machine

1994-12-09

1996-07-30

Izaguirre, Ismael

Sewing

Elements

Driving mechanisms

112199, D05B 5732

Patent

active

055401627

ABSTRACT:
A looper drive for a chain stitch sewing machine that includes a flexible connection that includes an intermediate guide rod that extends between a crank arm and the looper shaft. The intermediate guide rod is mounted to pivot on the crank arm and is constructed to allow a receptacle that is carried by the looper shaft to swivel or oscillate relative thereto. The intermediate guide rod carries a ball which extends into a cylindrical-shaped opening formed in the receptacle.

REFERENCES:
patent: 2884883 (1959-05-01), Reimer
patent: 3016851 (1962-01-01), Hacklander
patent: 3301207 (1967-01-01), Reeber et al.
patent: 3354851 (1967-11-01), Covert
patent: 3460494 (1969-08-01), Denker
patent: 4599957 (1986-07-01), Marcandalli

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