Building crane apparatus climbable on building walls

Details Building crane apparatus climbable on building walls Building crane apparatus climbable on building walls

1995-06-06

1997-07-08

Merritt, Karen B.

Material or article handling

Traversing hoist type

215312, 215324, 215199, 215202, 521271, B66C 502, B65G 6702, B65G 700

Patent

active

056453957

ABSTRACT:
A building crane apparatus includes: a gantry crane slidably held on a pair of guiding rails longitudinally juxtapositionally mounted on two side walls of a building, and an elevating device secured on the building side walls for lifting the gantry crane from on the building walls to subsequently raise the crane corresponding to the building height under construction to provide a crane climbable on the building walls for eliminating an additional supporting base for erecting the crane in order for unobstructedly moving the crane in the working area.

REFERENCES:
patent: 3777900 (1973-12-01), Brewer
patent: 3783792 (1974-01-01), Cullom
patent: 3789565 (1974-02-01), Lindholm
patent: 4496277 (1985-01-01), Jungman
patent: 4648513 (1987-03-01), Greeson
patent: 5426907 (1995-06-01), Franklin

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