Material or article handling – Elevator or hoist and loading or unloading means therefor – Automatic stop
Patent
1993-04-02
1995-09-19
Underwood, Donald W.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Automatic stop
901 1, 414729, 280 42, 180 948, 172821, 165 112, B25J 500
Patent
active
054511356
ABSTRACT:
A mobile vehicle having a substantially hexagonally-shaped frame member that is movable between a collapsed position to enable the vehicle to enter a vessel opening or an area having constrained access points and a more stable expanded position. Drive apparatuses are attached to the frame member for driving the vehicle on a surface. The vehicle is also equipped with a tether line that is used to supply control power to the vehicle drives and to deploy and retrieve the vehicle. Various collapsible tool members are operably attached to the vehicle for performing various tasks within an enclosed environment.
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Seven page Kobelco Super Shovel brochure.
Schempf Hagen
Whittaker William L.
Carnegie Mellon University
Underwood Donald W.
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