Patent ID: 8513632

Claim:
A radiation-shielding assembly for accommodating a container having a radioactive material disposed therein, the assembly comprising: a body comprising a radiation shielding material, the body having a cavity and a first opening to the cavity defined therein; and a locator disposed in a radiation shielding portion of the cavity opposite the opening, the locator having an aperture defined therethrough spanning between first and second sides of the locator, a first aperture opening of the aperture being defined at the first side of the locator and a second aperture opening of the aperture being defined at the second side of the locator, wherein a size of the first aperture opening is greater than a size of the second aperture opening, wherein the first side of the locator is disposed between the second side of the locator and the first opening in the cavity of the body, and wherein the locator includes an interior wall that defines the aperture therethrough, the interior wall being stepped.