Safety mechanism of a rotational tool
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United States of America Patent
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Issued Date -
Dec 22, 2005
app pub date -
Sep 30, 2004
filing date -
Jun 17, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A safety mechanism of a rotational tool includes at least a tool unit, a safety pivot with a long end part and a control device. The tool unit has a fixed shaft with a tail end. The safety pivot is disposed at the shaft with a perimeter having variable distance to the axis itself. The control device controls the safety pivot. The long end part of the safety pivot can resist the tail end of the tool unit from rotating during being disposed to face the fixed shaft.
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