A foldable structure for an electronic device , said foldable structure comprising a first body ; a second body ; a third body operably connected to said first body and said second body ; and at least one hinge assembly , said first body being configured to rotate around a rotation axis (A) by means of the one hinge assembly with respect to said third body , said hinge assembly comprising an engagement structure and an actuator connected to said first body and said engagement structure, said actuator being fixed to said first body and said actuator being adapted to rotate simultaneously with said first body around said rotation axis (A), said engagement structure comprising a first engagement element pivotally connected to said third body and configured to pivot in a plane (L1) parallel with said rotation axis (A) in response to rotation of said actuator around said rotation axis (A), and a second engagement element arranged on said second body , said pivoting movement of said first engagement element being adapted to generate a sliding movement of said second body , with respect to said third body , in said plane (L1) as said first engagement element meshes with said second engagement element ; and wherein said actuator comprises a first section fixed to said first body , said at least first section of said actuator being adapted to rotate with said first body around said rotation axis (A), and a second section fixed to said first engagement element , said at least second section of said actuator being adapted to rotate in said plane (L1), simultaneously with said rotation around said rotation axis (A), said rotation in said plane (L1) generating said pivoting movement of said first engagement element . a first body ; a second body ; a third body operably connected to said first body and said second body ; and at least one hinge assembly , said first body being configured to rotate around a rotation axis (A) by means of the one hinge assembly with respect to said third body , said hinge assembly comprising an engagement structure and an actuator connected to said first body and said engagement structure, said actuator being fixed to said first body and said actuator being adapted to rotate simultaneously with said first body around said rotation axis (A), said engagement structure comprising a first engagement element pivotally connected to said third body and configured to pivot in a plane (L1) parallel with said rotation axis (A) in response to rotation of said actuator around said rotation axis (A), and a second engagement element arranged on said second body , said pivoting movement of said first engagement element being adapted to generate a sliding movement of said second body , with respect to said third body , in said plane (L1) as said first engagement element meshes with said second engagement element ; and wherein said actuator comprises a first section fixed to said first body , said at least first section of said actuator being adapted to rotate with said first body around said rotation axis (A), and a second section fixed to said first engagement element , said at least second section of said actuator being adapted to rotate in said plane (L1), simultaneously with said rotation around said rotation axis (A), said rotation in said plane (L1) generating said pivoting movement of said first engagement element . <EOS>