A probe of the type having a movable stylus for detecting contact with an object is disclosed. The stylus is connected to a movable member which is held in its rest position by means of a spring. The movable member is provided with a bore therein to which the stylus is removably connected. The bore extends...http://www.google.fr/patents/US4625417?utm_source=gb-gplus-shareBrevet US4625417 - Probe with stylus pressure adjustment
