Patent ID: 7383746

Claim:
A manipulator serving to position a test head at a testing device, comprising: a positioner for positioning said test head three-dimensionally, the positioner comprising a first component, and a second component mounted moveably between a first position and a second position; and at least one compliance module, the compliance module comprising: a housing being secured to the first component; a spring element mounted in the housing and being biased in an axial direction; an inner sleeve shiftingly mounted in said housing and urged by the spring element in the axial direction, and a pin shiftingly mounted on the housing and connected to the inner sleeve, wherein the inner sleeve comprises a boss supporting the spring element, a female thread, and a stopper plate abutting on the second component, the inner sleeve being shiftingly mounted in the axial direction and non-rotatably mounted about an axis extending in the axial direction; wherein the pin comprises a head positioning the inner sleeve against the effect of the spring element in the housing, and a threaded portion mating with the female thread, the pin being shiftingly mounted in the axial direction and rotably mounted about the axis extending in the axial direction; wherein the inner sleeve and the pin are jointly moveable in the axial direction by a force exceeding the bias of the spring element and being applied to the stopper plate by a movement of the second component between the first position and the second position.