Apparatus for lifting a heavy load and transporting it over...

Details Apparatus for lifting a heavy load and transporting it over... Apparatus for lifting a heavy load and transporting it over...

B - Operations, Transporting

66

C

198/12.01, 201/1

B66C 19/00 (2006.01) B21B 25/06 (2006.01) B66C 17/06 (2006.01)

Patent

CA 1130753

ABSTRACT The present invention is directed to an overhead travel- ling crane for lifting and transporting a heavy load over an ob- stacle 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 each of those en- gaged by the front wheels each has a first section sloping upwardly from a starting point at one side of the obstacle, a central hori- zontal 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.

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