| 摘要 |
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.
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