Platform crane

Details Platform crane Platform crane

1976-06-21

1978-04-04

Bell, J. Karl

Static structures (e.g., buildings)

Mechanism operated relatively movable shaft assembly

61 87, 173 28, 175 9, E02B 1700

Patent

active

040819329

ABSTRACT:
A mobile crane for use on an offshore oil well platform, comprising parallel base beams adapted to span the capping beams of the platform, and a pedestal and a rotating upper works movably mounted on the base beams. A method is described for erecting a workover rig on the offshore platform by means of the crane, and for expeditiously erecting workover rigs on a plurality of platforms in succession.

REFERENCES:
patent: 3244242 (1966-05-01), Wolff
patent: 3739853 (1973-06-01), Wales
patent: 3802137 (1974-04-01), Armstrong

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