Patent ID: 8110821

Claim:
A container for transporting a receptacle ( 2 ) containing a radioactive substance for medical use, said container ( 1 ) comprising: a body ( 3 ) shielded against the emission of radiation, made up of a belt of side walls ( 3 a ) connected to a base element ( 3 b ) and defining a top opening ( 4 ), and a shielded closing lid ( 5 , 36 ) attachable to said top opening ( 4 ) by locking means ( 11 ), wherein, said locking means ( 11 ) are shaped so as to be activated by a translational movement ( 22 ) of said lid ( 5 , 36 ) in said top opening ( 4 ), this being termed the “locking movement” and taking place along the axis of said opening ( 4 ) and towards said opposing base element ( 3 b ), said lid ( 5 , 36 ) being further equipped with means ( 16 ) for deactivating said locking means ( 11 ) in order to enable said shielded lid ( 5 , 36 ) to be separated from said container body ( 3 ), the lid ( 5 , 36 ) has a plurality of retractable projecting studs ( 11 ) designed to fit by a snap-action type phenomenon into at least one complementary housing ( 21 ) formed in the opening ( 4 ) of the container body ( 3 ), said projecting studs ( 11 ) being operable between two positions: a locking position, in which said projecting studs ( 11 ) enter said housing ( 21 ) by a snap-action type phenomenon during the locking translational movement, and a retracted position, actuated by the deactivation means ( 16 ) and in which said projecting studs ( 11 ) are located outside the bulk of said housing ( 21 ), enabling the shielded lid ( 5 , 36 ) to be dissociated from the container body ( 3 ), said projecting studs ( 11 ) cooperate i) with spring means ( 15 ) shaped so as to tend to keep the projecting studs in the locking position, and ii) with the deactivation means ( 16 ) controllable by an operator to operate said projecting studs ( 11 ) to their retracted position, wherein the studs ( 11 ) are in the form of hooks hinged at one of their ends ( 11 a ), and the other end ( 11 b ) of which projects inwardly so as to be able to cooperate with an annular groove ( 21 ) opened outwardly and formed in the opening ( 4 ) of the container body, said projecting hooks ( 11 ) cooperating with the deactivation member ( 16 ), controllable by the operator, to make the former pivot outwardly to the retracted position, and wherein the deactivation member ( 16 ) is in the general form of a ring operable in an axial translational movement between the lower rest position and the upper deactivation position, said deactivation member ( 16 ) being provided with an outwardly flared lower edge ( 16 a ) to form the operating cam acting on the hooks ( 11 ) through pressing rollers ( 14 ), each of which is carried by one of said hooks ( 11 ), the latter being also connected to elastic return means ( 15 ), in the form of an elastic ring tending to keep them in the active locking position.