Patent ID: 6516669
Filing Date: 2003-02-11
Classification: B23Q,G01B

Abstract:
A contact detection sensor comprising:a column-shaped stylus provided with a contact portion to be contacted with a workpiece at a tip end thereof; a vibrator for vibrating said stylus in an axial direction of said stylus; a detector for detecting a contact of the contact portion with the workpiece from a change in vibration state of said stylus occurring when the contact portion and the workpiece come in contact with each other; a holder provided with a support portion for supporting said stylus, said vibrator, and said detector with the support portion, wherein at least said vibrator is fixed on the support portion of said holder and at least said detector is fixed to said stylus, the support portion of said holder and said stylus are disposed to be out of contact with each other, and said vibrator vibrates said stylus in a resonance state in the stylus axial direction.