Patent ID: 6087919
Filing Date: 2000-07-11
Classification: F16C,G01B

Abstract:
A linear gauging head comprising:support and protection devices with a casing that defines a longitudinal geometrical axis,a spindle, axially movable with respect to the support and protection devices,a feeler element coupled to an end of the spindle,a position transducer including mutually displaceable parts connected to the casing and to the spindle, respectively,a thrust device arranged between the support and protection devices and the feeler element, andguide means, for guiding axial displacements of the spindle with respect to the casing, with at least an axial bearing including a plurality of rolling elements cooperating with the spindle, wherein the axial bearing further includes a hollow support element, fixed with respect to the casing, and a guide structure housed in the hollow support element, the hollow support element and the guide structure defining internal rolling surfaces, said rolling elements being housed inside the hollow support element and cooperating with the internal rolling surface for recirculating in said hollow support element.