Fast torque-adjustable torque wrench
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United States of America Patent
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Mar 24, 2014
filing date -
Feb 21, 2014
priority date (Note) -
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Abstract
A torque-adjustable torque wrench includes: a tubular body; a flexible bar, an abutment member and a compression spring disposed in the tubular body, a front end of the compression spring abutting against the abutment member; a head section connected with a front end of the flexible bar; an adjustment rod disposed in the tubular body; and an adjustment switch rotatably fitted on a rear end of the tubular body and connected with a rear end of the adjustment rod. The elastic force of the compression spring against the abutment member is adjustable by rotating the adjustment switch. The adjustment switch is only rotatable within a rotational range of one circle, in such rotational range, the ratio of the maximum adjustable torque value to the minimum adjustable torque value of the wrench ranges from 1.2 to 10 times.
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