Patent ID: 7704029

Claim:
An arrangement releasably holding a component in a fixed position on a shaft, the arrangement comprising parts coaxially mounted on the shaft, the parts including: a lockplate in rotational engagement with the shaft, the lockplate having a first side and a second side, the first side of the lockplate being in engagement with the component; a nut in threaded engagement with the shaft, the nut having a circumferential outer groove, a side of the nut being in pressing engagement with the second side of the lockplate; a damping element mounted in the groove and partially outwardly protruding therefrom; a lockwasher provided around the nut and in rotational engagement with the lockplate, the lockwasher having an interior surface in interfering engagement with the damping element; and a retaining element connected to the nut and to the lockwasher, the retaining element preventing the lockwasher from moving away from the lockplate.