A foldable mounting assembly for a vehicle accessory includes a base attached to a vehicle headliner and having a stem extending therefrom for attachment of a vehicle accessory such as a rearview mirror to an end of the stem opposite the base. A spring-loaded cam cooperatively interconnects the end of...http://www.google.es/patents/US4899975?utm_source=gb-gplus-sharePatente US4899975 - Foldable mount