A transport vehicle travels on first and second paths orthogonally or diagonally crossing each other and each including an opening at a center and treads on both sides of the opening. The transport vehicle includes a vehicle in an upper portion; a transport in a lower portion to hold an article; and a column extending downward from the vehicle to the transport. The vehicle includes on front and rear of the column along the first path, at least a pair of first traveling units each including a first traveling wheel that travels on the tread of the first path, and first auxiliary wheels on front and rear of the first traveling wheel along the first path; on front and rear of the column along the second path, at least a pair of second traveling units each including a second traveling wheel that travels on the tread of the second path, and second auxiliary wheels on front and rear of the second traveling wheel along the second path; and a lifting mechanism that raises and lowers one of the at least the pair of first traveling units and the at least the pair of second traveling units.
Transport vehicle and transport vehicle system
2018-09-04
Patent
Elektronische Ressource
Englisch
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