Patent ID: 7913537

Claim:
An adjustment arrangement, the adjustment arrangement being configured to simplify calibration of a measurement probe ( 3 ) supported by a measuring head ( 2 ) in a coordinate measuring machine ( 1 ), the adjustment arrangement comprising: means for determining a measured position of a probe ball ( 7 ); and means for turning or displacing, or both, the probe ball ( 7 ) to a desired orientation with the probe ball ( 7 ) being in contact with a calibration seating ( 9 ), in order to determine a position of the probe ball in the desired orientation, whereby an offset of the probe ball ( 7 ) can be determined, wherein the calibration seating ( 9 ) is formed from three balls ( 10 ) arranged in a triangle, the calibration seating ( 9 ) is arranged in a holder ( 11 ) on which the balls ( 10 ) are mounted, and a leaf spring ( 12 ) is attached to the holder ( 11 ) and arranged such that the leaf spring ( 12 ) presses the probe ball ( 7 ) against the seating formed by the three balls ( 10 ) when the probe ball is introduced into the calibration seating ( 9 ).