| 摘要 |
The invention concerns a cask (1) for a canister (62) containing radioactive material, comprising a canister extraction assembly (36) and designed so that it can bring the canister to an extraction position inside the cask housing (4) in which this canister is free of any contact with the inner surface (10). Also, one of two elements from among a carriage (38) and a support structure (40) of the assembly (36) is provided with a guide ramp (48) cooperating with a ramp follower (50) provided on the other of the two elements, the ramp being designed so that a relative translational movement between the carriage (38) and the structure (40), in the longitudinal direction of the cask, causes the changeover of the two elements (38, 40) from a drawn-together position to a drawn-apart position, or conversely.
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