Patent · US Expired

Collapsible mobile vehicle

US5451135A · kind A · utility

214Cited by
17References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1993
Grant dateSep 19, 1995
Priority date
Expiry dateApr 2, 2013

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE02F9/024
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.