Rotating shuttle and presser plate arrangement

Details Rotating shuttle and presser plate arrangement Rotating shuttle and presser plate arrangement

1997-02-19

1998-12-01

Lewis, Paul C.

Sewing

Elements

Shuttles

D05B 5710, D05B 5720

Patent

active

058424318

ABSTRACT:
A shuttle bobbin and presser plate arrangement including a first magnetic element and a second magnetic element respectively mounted on a shuttle bobbin in a rotating shuttle and a presser plate, which prohibits the shuttle bobbin from escaping out of the rotating shuttle, the first magnetic element and the second magnetic element producing a magnetic repulsion force against each other to keep the shuttle bobbin spaced from the presser plate at a constant distance for the passing of an upper thread.

REFERENCES:
patent: 4142475 (1979-03-01), Zocher
patent: 4453479 (1984-06-01), Kawai
patent: 4676178 (1987-06-01), Hirose
patent: 5152236 (1992-10-01), Hirose

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