Mobile base for robots and the like

Motor vehicles – Special wheel base – Having only three wheels

Patent

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Details

180212, 180252, B62D 5700, B60B 3900

Patent

active

045735484

ABSTRACT:
A mobile base for robots or other devices requiring a transport mechanism is disclosed incorporating a plurality of wheels which are simultaneously driven and steered by separate drive sources so as to allow the mobile base to change direction without rotation of the mobile base. In an additional embodiment, each wheel is located on an extensible leg assembly which can be rotated to project outwardly from the mobile base and thereby provide additional stability to the base. This adaptive, retractable leg synchro-drive mobile base uses a third drive source to perform the extension and retraction of the leg assemblies and provides that the wheels maintain their orientation while extension or retraction occurs while the mobile base is in translation and that the wheel orientation returns to its previous state if retraction or extension occurs while the base is not in translation.

REFERENCES:
patent: 3336993 (1967-08-01), Carobbe
patent: 3822757 (1974-07-01), Spence
patent: 3858673 (1975-01-01), Browning
patent: 4463821 (1984-08-01), Falamak

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