Movable bathtub assembly characterized in that all arms, joints and mechanism mounting structures are arranged below an upper edge (29) of a bathtub (1) supported by its legs (7) on a base (30) and situated in the bathing position, in principle horizontally, completely inside the space defined by the upper edge (29) of the bathtub (1), the base (30) and walls (36) adjusted to the bathtub (1), in such way, that the bathtub is displaced following the rotation of arms (2, 3) from its bathing position to its vertical position, where the concave side of the bathtub is directed towards the place of its center in the bathing position.
