Measuring tool and measuring method thereof
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United States of America Patent
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Oct 8, 2013
Grant Date -
Dec 20, 2012
app pub date -
Dec 22, 2011
filing date -
Jun 20, 2011
priority date (Note) -
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Abstract
A measuring tool includes a tool body and a first measuring unit. The first measuring unit includes a first probe, a first measuring meter, and a first zero button. The first probe is used for contacting a standard part or a test part inside the tool body. The first measuring meter is connected to the first probe for displaying a first zero value or a first measure value. The first zero button is used for zeroing the first measuring meter to display the first zero value when the first probe contacts the standard part. When the first probe contacts the test part after the first measuring meter is zeroed, the first measuring meter displays the first measure value. A first dimension difference value of the test part and the standard part is equal to a difference value of the first measure value and the first zero value.
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