The invention provides a wheel-staggered stairway-climbing vehicle, which is provided with at least one row of wheels (preferably, two or more rows of wheels), each row is composed of a plurality of wheels, each two adjacent groups of wheels are staggered, the total length of the connection between the axes of the wheels at least can span the tips of three steps, and the wheels are kept in contact with the tips of at least two steps on a stairway. The invention perfectly solves the problem that a conventional vehicle running on the stairway can be stuck or bumps, and moreover, the wheel-staggered stairway-climbing vehicle has high bearing capability, cannot be easily abraded, and is low in manufacturing cost.
Wheel-staggered stairway-climbing vehicle
2015-07-15
Patent
Elektronische Ressource
Englisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Stairway system and retractable stairway for vehicles
Europäisches Patentamt | 2015
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