A lifesaving apparatus for use on ships and other types of water sustained vessels which is characterized by the fact that it can be actuated by a person who has fallen overboard without the intervention of on-deck personnel. The lifesaving apparatus is mounted on a support secured to the vessel and...http://www.google.de/patents/US4228556?utm_source=gb-gplus-sharePatent US4228556 - Automatically energizable lifesaving equipment
