A load moving system, for moving articles such as a helicopter (18) form a port hangar (19a) to a starboard hangar (19b) or vice versa, wherein four trolleys (2 and 13) run on two rails (R) and are cabled to two after winches (3) and two forward winches (14). Vertical roller fairlands (12) act as cable...http://www.google.es/patents/US4558790?utm_source=gb-gplus-sharePatente US4558790 - System for load handling of aircraft
