beam for supporting and rotating heliportee photographic cameras suitable for light industrial stereophotogrammetriques

摘要

the beam is designed to be carried by an aircraft (1) and extends in cantilever from one side and the other of the bodies to handle (42) in which are arranged the apparethe photographic industry stereophotogrammetric surveys.this beam has three cylindrical tubular sections (2, 3, 4) are mutually assembled to each other with the flanges (5)(6) and is supported so as to be driven in rotation by hand but not to be able to move longitudinally.