{HEAD ~ Object} of the present invention is to provide {TAIL ~ an apparatus} for the metrological checking of crankpins rotating with an orbital motion, in the course of a grinding operation, or in a similar one, that can provide good metrological performance, high reliability and small forces of inertia 
is to provide
{ HEAD ~ Object } of the present invention is to provide { TAIL ~ an apparatus } for the metrological checking of crankpins rotating with an orbital motion , in the course of a grinding operation , or in a similar one , that can provide good metrological performance , high reliability and small forces of inertia
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH