专利名称：Gauge and method发明人：Marcello Navarro申请号：US10255753申请日：20020820公开号：US06868618B2公开日：20050322
专利附图：
摘要：The invention is a gauge and method for measuring any circular object, but ismost useful as a precision thread gauge for objects having either external or internalthreads. A fixed gauge roll is supported in a stationary position. A first and second gaugerolls are supported so that the first and second gauge rolls simultaneously move with
respect to the fixed gauge roll. The fixed gauge roll, first and second gauge roll togetherform a triangle. The interior angles of the triangle remain unchanged for every positionof the three gauge rolls.
申请人：Marcello Navarro
地址：221 N. Norwinden Springfield PA 19064 US
国籍：US
代理人：Robert J. Yarbrough
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