Adjustable cushioning spring for a sewing machine

Details Adjustable cushioning spring for a sewing machine Adjustable cushioning spring for a sewing machine

1982-05-07

1984-01-24

Schroeder, Werner H.

Sewing

Elements

Driving mechanisms

D05B 302

Patent

active

044269439

ABSTRACT:
Skip stitch mechanism for a sewing machine is provided with a coiled needle bar cushioning spring which mounts in axial alignment with the needle bar on the upper arm of a movable gate and which can be adjustably positioned on the gate arm to define a position from which the needle bar may be latched to reciprocating drive means.

REFERENCES:
patent: 2166426 (1939-07-01), Dickson
patent: 3266449 (1966-08-01), Berg et al.
patent: 3387579 (1968-06-01), Ciccotelli, Jr.
patent: 3476147 (1969-11-01), Hitt et al.
patent: 3727568 (1973-04-01), Graham
patent: 3782311 (1974-01-01), Adams et al.
patent: 3799090 (1974-03-01), Sheroff

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