Patent ID: 7013593

Claim:
A holder device configured for fastening to a substantially cylindrical body, for the support of equipment, the device comprising: a mechanical shaft; at least two holder elements, a first of the holder elements is operative to be securely fixed to the cylindrical body, a second of the holder elements is movably coupled to the first holder element, the first holder element and the second holder element comprising two arms and being mutually rotatable in relation to each other about a common rotation axis between a first transport position and a second activated position, wherein one of the holder elements includes fastening points for securing ends of the mechanical shaft, such that the common rotation axis is located at a center of rotation of the mechanical shaft; a locking member operative to lock the at least two holder elements at least in the activated position; and a spring arrangement operative to define a position of equilibrium along the mechanical shaft, wherein one of the holder elements is axially displaceable along the mechanical shaft from the position of equilibrium, wherein the spring arrangement comprises a first compression spring acting between a first fastening point and a first arm of the second of the holder elements, a second compression spring acting between a second fastening point and a second arm of the second of the holder elements, and a third compression spring, wherein the arms of the second locking member are arranged such that, under the influence of the third compression spring, they each bear against one arm of the second holder element.