Patent ID: 8365652

Claim:
An adjusting element comprising: a cylinder with a closed first end; a piston displaceably arranged in the cylinder and configured to divide the cylinder into a first work space remote of the closed first end and a second work space in proximity to the closed first end; a piston rod arranged at one side of the piston and which projects through the first work space and is guided out of the cylinder concentric to a center longitudinal axis of the cylinder at a second end opposite from the closed first end so as to be sealed by a guiding and sealing device; and a position detecting device configured to detect at least one of a piston rod position and an extended length of the adjusting element, the device for detecting the piston rod position comprises: at least one microswitch arranged at the cylinder; and at least one switching element configured to activate the microswitch including a first switching element arranged at an inner wall of a protective tube in proximity to a first end of the protective tube; a second switching element arranged in proximity to a second end of the protective tube opposite the first end of the protective tube; and a third switching element arranged between the first switching element and the second switching element, the third switching element is axially displaceable on the protective tube and configured to be fixed to the protective tube by a positioning screw.