Patent ID: 6760980
Filing Date: 2004-07-13
Classification: F16C,G01B,G01D

Abstract:
A linear gauging head comprising:support and protection means with a casing, defining a longitudinal geometrical axis; a movable elongate element, axially movable with respect to the support and protection means; thrust means arranged between the support and protection means and the movable elongate element to apply a substantially axial thrust to the movable elongate element; guide means, for guiding axial displacements of the movable elongate element with respect to the casing, including at least one axial bearing arranged within the casing and including a plurality of rolling elements cooperating with the movable elongate element; and a position transducer for detecting the displacements of the movable elongate element with respect to the support and protection means, wherein the movable elongate element has a substantially cylindrical shape with at least one longitudinal groove, at least a portion of said rolling elements being adapted for cooperating with the movable elongate element at said at least one longitudinal groove.