Miniature helicopter for working on tall structures - has two fans mounted on ball and socket joints to provide tilt forces for seat frame

摘要

The device is for working in restricted spaces between scaffolding and masts or between trees and adjacent trees. The device consists of a frame (1) with a hook (2) attached to its lower end. A cross-beam (3) at the upper end of the frame has a ball and socket joint (4, 5) at each end to support a suction fan (6, 7). The frame has a seat for the pilot (8) and a powerpack (10) is mounted behidn the seat behind the seat. The pilot controls the direction of travel by moving levers (9) which tilt the fans in the appropriate direction. USE - Working on tail structures with restricted access.