Motor vehicles – Special driving device
Patent
1998-11-10
2000-12-26
Hurley, Kevin
Motor vehicles
Special driving device
254264, B62D 5700
Patent
active
061643971
ABSTRACT:
A vehicle, designed to move across an external curved surface such as that of a pipe or cable, for example to monitor the condition of the surface or enable the application of a treatment to the surface, comprises two generally hollow bodies, interconnected by means to move the bodies towards and away from each other, each body having generally parallel, generally flat resilient members each having a generally central aperture, which apertures are in general alignment.
REFERENCES:
patent: 4615509 (1986-10-01), Biass
patent: 4712772 (1987-12-01), Negrutsky et al.
patent: 4919223 (1990-04-01), Egger et al.
patent: 5788002 (1998-08-01), Richter
Appleton Ernest
Stutchbury Neil William
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