Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2010
Patent Application Number
12399989
Date Filed
March 9, 2009
Patent Primary Examiner
Patent abstract
A measuring device includes a base, a holding member mounted to the base and having a notch for holding a cylinder, a guide rod connected to the base and defining an axial direction parallel to an axial direction of the cylinder, and a gauge mounted with the guide rod and defining a measuring direction perpendicular to the axial direction of the cylinder. As a result, the measuring device of the present invention has the advantage of proving a simple way to measure the roundness of the cylinder.
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