The novelty of the HYINV system consists of making possible the complete disappearance of the aluminum structure, as if it had been forgotten. Thanks to this creation, the exterior and the interior merge totally by the erasure of any physical obstacle to the ground, walls and ceiling. In addition, a single slot, allowing the sliding of the window, appears at the ground. Its width is thinner than a heel needle, making the technology of bearings completely invisible and also preventing clogging of the device.Integration of a key lock, thus ensuring greater security. The cylinder can be deported to the wall laterally or frontally making it possible to render the structure invisibles.