Electronic torque wrench with early-warning function
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United States of America Patent
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Jan 9, 2018
Grant Date -
Aug 4, 2016
app pub date -
Sep 4, 2015
filing date -
Jan 30, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic torque wrench with early-warning function includes a main body, a setting unit, a detecting unit, an operation unit, a warning unit and an early-warning program. A working head is disposed at one end of the main body for wrenching a work piece. The early-warning program is set with multiple early-warning times with different warning ranges. The value of the early-warning time is in direct proportion to the set torque value of the wrench. When the operation torque of the wrench reaches the early-warning time, the operation unit urges the warning unit to give a warning.
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