Collapsible mobile vehicle
US5451135A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1993 |
| Grant date | Sep 19, 1995 |
| Priority date | — |
| Expiry date | Apr 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.