Aerial ladder for firefighting has film camera carried at end of telescopic boom which transmits images to screen

摘要

The upper end of the aerial ladder is positioned by a vision means comprising a film camera (3) carried by the end of a telescopic boom (9). The camera cooperates with an extinguishing hose (6) held by a support (14) on a ladder rung (7). The orientation of the camera and the hose is made by remotely directed pivots. Images are transmitted through an optical cable (5), positioned on a winder (17), to a screen(4)