Patent ID: 8579383

Claim:
A fastening element for fixation of a wheel on a wheel axle, said fastening element being a monolithic part and comprising: a first section and a second section that are movable relative to each other and are separated from each other by a plane of separation, wherein said first and second sections are connected to each other by an articulation; wherein said first section comprises devices for fixation on the wheel axle; wherein said second section comprises a wheel axle cover; wherein said first and second sections have a first position and in said first position said first and second sections are resting on each other; wherein, in said first position, said wheel axle cover covers said devices for fixation on the wheel axle in a direction of the wheel axle; wherein said first and second sections have a second position and in said second position said first and second sections are pivoted away from each other; and wherein, in said second position, said devices for fixation on the wheel axle and said wheel axle cover are positioned so as to not overlap each other in the direction of the wheel axle.