Step-separating shearing tool
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United States of America Patent
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Sep 14, 1999
Grant Date -
N/A
app pub date -
Aug 5, 1997
filing date -
Aug 5, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A step-separating shearing tool includes a first handle and a second handle. A first blade portion is connected to the first handle, and a second blade portion, which includes an L-shaped slot, is hinge-connected to the first blade portion and to the first handle. A rocker arm connects the second handle and the first blade portion. The step-separating shearing tool also includes an automatic step-separating mechanism. This mechanism includes: a double-oscillating rod, which is hinge-connected to the rocker arm; a slider on the double oscillating rod, which is received in the L-shaped slot of the second blade portion; and a torsion spring connected between the rocker arm and the double oscillating rod. When the shearing tool is used in a cutting operation for cutting items having a relatively small diameter, the slider is located in a short slot portion of the L-shaped slot during the entire cutting operation. However, when the shearing tool is used in a cutting operation for cutting items having a relatively large diameter, the slider is located in a long slot portion of the L-shaped slot during a first part of the cutting operation, to partially cut through the item being cut, and then the slider is moved to the short slot portion of the L-shaped slot during a second part of the cutting operation.
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