Wrench tool and manufacturing method thereof
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United States of America Patent
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Jun 13, 2017
Grant Date -
Oct 22, 2015
app pub date -
Oct 31, 2013
filing date -
Nov 23, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A wrench tool comprises a tool rod and an operating rod. The tool rod is 7-shaped, and comprises a tool head part and a connecting rod part. The connecting rod part is provided with a hinge portion. The hinge portion is provided with a first hinge hole. One end of the operating rod is provided with a tool seat capable of accommodating the hinge portion. The tool seat is provided with a second hinge hole. The tool seat and the hinge portion are hinged together by a pin running through the first hinge hole and the second hinge hole. The wrench tool is simple in structure and flexible in use. Flattening and curling measures are applied to the tool rod, so as to reduce the weight of the tool rod and improve the strength of the tool rod.
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