Material or article handling – Wheeled – load-transporting type vehicle and external means... – Vehicle of rail-guided type and track section having rails...
Patent
1980-01-23
1982-04-27
Sheridan, Robert G.
Material or article handling
Wheeled, load-transporting type vehicle and external means...
Vehicle of rail-guided type and track section having rails...
104122, 414338, B65G 6702
Patent
active
043268293
ABSTRACT:
The present invention is directed to an overhead travelling crane for lifting and transporting a heavy load over an obstacle including a carriage with front and rear wheels mounted on independent axles for movement along respective rails. The rails engaged by the rear wheels are horizontal while those engaged by the front wheels each have a first section sloping upwardly from a starting point at one side of the obstacle, a central horizontal section extending over the obstacle and a final downwardly-sloping section. In use, a load is engaged with a support member adjacent the front end of the carriage and the carriage is driven along the rails to transport the load, the load being raised as the front wheels climb the first sections of their rails and being lowered as the front wheels descend the final sections.
REFERENCES:
patent: 2868354 (1959-01-01), Harrison
patent: 2941648 (1960-06-01), Johansson et al.
patent: 4082042 (1978-04-01), Barry
Innocenti Santeustacchio S.p.A.
Sheridan Robert G.
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