Crane and method for using crane

Details Crane and method for using crane Crane and method for using crane

1989-10-17

1990-09-04

Basinger, Sherman D.

Traversing hoists

Having means facilitating assembly or disassembly

Of sectional vertical support from boom

212182, 212188, 212261, 414750, 414 10, B66C 2334

Patent

active

049537202

ABSTRACT:
A crane comprises a base, a driving body for driving and controlling the crane disposed on the base rotatable in a horizontal plane, an articulated arm attached to the driving body pivotable in a vertical plane, and a clutching means for clutching the construction elements. The arm is folded and extended in a vertical plane. The clutching means is tiltably and detachably connected to a forward end of the arm. The crane further comprises a fixing means tiltably and detachably connected to the forward end of the arm as a substitute for the clutching means. The fixing means is capable of being fixed to the construction, so that the driving body can be moved while the fixing means is fixed to the construction.

REFERENCES:
patent: 3250401 (1966-05-01), Davidson
patent: 3366251 (1968-01-01), Strand
patent: 3557967 (1971-01-01), Madole
patent: 4738583 (1988-04-01), Macconochie et al.

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