layouts of attics, in order to have a storage space of the prior to reach.

摘要

The device has elements placed through horizontal or vertical translation by two fixed guides and two unfoldable guides, and a cover with an opening in a ceiling, where the device is positioned by a mechanical and electromechanical element (6) located inside an inner part (2), and is surrounded with a casing. The unfoldable guides permit guiding of the elements and have cables or lifting jacks. An electrical or mechanical control (7) controls the position of the device inside the inner part.