Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2011
Patent Application Number
11085278
Date Filed
March 21, 2005
Patent Primary Examiner
Patent abstract
A frame for measuring a pitcher's circle includes a housing for engagement with a pitcher's plate, a measuring line and a guide rod. The measuring line is swivel connected to a centering member on the housing, with its free end connected to the guide rod. The measuring line has a predetermined length such that the tip of the guide rod represents the radial distance of the pitcher's circle when the measuring line is fully extended from the centering member. The pitcher's circle is marked out by simply walking the guide rod about the pitcher's plate. A leveling member is provided on the guide rod to ensure that the guide rod is kept at 90° vertical to prevent measuring inaccuracies.
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