A folding work surface for mounting on a wall. The work surface includes a platform hinged to the wall. A pair of upper supports are pivotally connected to the platform and pivotally connected to a lower support. The lower support is then pivotally connected to the wall. A locking ring is positioned...http://www.google.es/patents/US7814843?utm_source=gb-gplus-sharePatente US7814843 - Fold down work surface for mounting on a wall