Patent ID: 8162301

Claim:
A construction kit for a manipulating system, comprising: at least one first element with a first surface and at least one second element with a second surface, wherein the at least one first element and the at least one second element are connectable to each other so that the first surface and the second surface contact each other; at least one centering ring with an annular wall defining a first center axis, a first bore and an outer circumferential surface, wherein the centering ring is disposed between said at least one first element and said at least one second element, wherein said outer circumferential surface is configured to engage said at least one first element and said at least one second element at said first surface and said second surface in a form-locking manner, said annular wall having at least one second bore penetrating therethrough with a second center axis perpendicular to said first center axis, wherein said annular wall of said centering ring has one portion extending into a recess of said first element and another portion extending into a recess of said second element.