Shearing tool with a compound lever mechanism
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United States of America Patent
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Jun 30, 2020
Grant Date -
Jan 3, 2019
app pub date -
Jun 28, 2018
filing date -
Jun 29, 2017
priority date (Note) -
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Abstract
The present invention relates to a shearing tool such as scissors, comprising first and second cutting members pivotally coupled with each other, and a linkage pivotally coupled to the first and second cutting members, whereby the linkage and one of the first and second cutting members form together a compound lever mechanism. A force applied by an operator onto the shearing tool increases as an output by the linkage, and the increasing force is conveyed to that cutting member so that the cutting power of the shearing tool increase to allow hard-to-cut materials to be cut manually and easily with less effort from the operator.
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