MOUNTING DEVICE, JOINT CONSTRUCTION, VENTILATING ARM, VENTILATING SYSTEM

摘要

This invention concerns a mounting device (1) for the mounting of an arrangement (2) or (3) on a ventilating arm (4) where the ventilating arm (4) comprises tube-shaped elements (5) joined to, and mobile relative to, each other by a rotating joint construction (6). The mounting device (1) is comprised within the joint construction (6) and offers a region (1.2)a at which the arrangement (2) or (3) is attached. The invention concerns also a joint construction (6), a ventilating arm (4) and a ventilating system A.