B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
B63C9/00—Life-saving in water
B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
B—PERFORMING OPERATIONS; TRANSPORTING
B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
B63B23/00—Equipment for handling lifeboats or the like
B63B23/30—Devices for guiding boats to water surface
Dispositif permettant a un trimaran d'offrir plusieurs choix de largeur, suivant l'utilisation souhaitee, manoeuvrable aussi bien a l'eau qu'a terre