Aerial lift platform apparatus with control conduit support system

Claim 1

An aerial lift platform apparatus comprising: an extensible, four section telescopic boom including base, inner mid, outer mid and fly sections, a workman's platform supported at the outer end of the boom on the fly section, a control console at the workman's platform for controlling said apparatus, flexible control conduits connected to said control console and extending between said control console and the inner end of the base section, and means for supporting said flexible control conduits comprising; a tube fixed on a side of the base section, a movable tube having its forward end secured to the outer end of the inner mid section and extending rearwardly therefrom, a self-supporting carrier track having one end adjacent the forward end of said fixed tube, extending first rearwardly therefrom and thence through a bight and then forwardly, and having the other end connected to the rear of said movable tube, a second self-supporting carrier track having a first end, said track extending rearwardly therefrom and then in a bight and then forwardly to the second end, a movable tube having its forward end connected to the forward end of the fly section and having the second end of the second track connected to the rear end thereof, and linear support means for said second track extending rearwardly from said first end of said second track and having the forward end thereof connected at the forward end of the inner mid section, said control conduits extending through said tube fixed on the base section, the first track, the first mentioned movable tube, the second track, and the tube fixed to the fly section.