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US 4,360,077 AGranted
Aerial lift platform apparatus with control conduit support system
AssigneeJLG Industries, Inc.
InventorThomas C. Abbott
Life of this patent
Estimating the term…
Abstract
An aerial lift platform apparatus comprising an extensible telescopic boom having four sections and a workman's platform with a control console on the fly section. Flexible control conduits, electrical and/or hydraulic, extend from the base section to the control console, carried by fixed and slidable tubes and self-supporting carrier tracks.
Claims13
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.
9 more elements
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 movable tube having its forward end connected to the forward end of the fly section and extending rearwardly therefrom,
- a self-supporting carrier track having a first end connected to the rear end of the movable tube, said track having a bight and having a second end below and rearwardly of the first end,
- support means for the portion of the track between said second end and said bight in all positions of said boom,
- means for attaching said track second end to said support means,
- means for attaching said support means to the outer end of the inner mid section, and
- said control conduits extending through said track and through said movable tube and connected to said control console.
8 more elements
Dependencies are inferred from the claim text.