A stylus is supported by an upper coupling member which is supported by a lower coupling member which is supported by a probe which is movably supported by a rail of a coordinate positioning machine. The coupling members are held together by a permanent magnet, and their relative positioning is established...http://www.google.es/patents/US6430828?utm_source=gb-gplus-sharePatente US6430828 - Coordinate positioning apparatus with indexable stylus, components thereof, and method of using it
Coordinate positioning apparatus with indexable stylus, components thereof ...
