Diving bell handling system and method

Details Diving bell handling system and method Diving bell handling system and method

1977-05-06

1978-09-05

Werner, Frank E.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

405185, 114259, 212 3R, 214152, B63B 3540

Patent

active

041113136

ABSTRACT:
A handling system for lowering and lifting a diving bell between the ocean surface and the deck of a vessel or a marine platform includes a horizontally extendible and retractable frame which mounts sheaves used for directing the hoist cable and umbilical cable into communication with the bell. The frame comprises a pair of elongate beams driven by means of a pair of hydraulic motors having pinions which engage racks built integral with the beams. The frame includes a member having a downwardly opening frusto-conical inner surface which is adapted to mate with a similar frusto-conical superstructure on the diving bell. A plurality of locking fingers are operatively arranged on the upper frusto-conical member for automatically locking the superstructure to the frame in a stabilized position over the water.

REFERENCES:
patent: 1136938 (1915-04-01), Chupica
patent: 2734705 (1956-02-01), Robertson
patent: 2887235 (1959-05-01), Ladner
patent: 3401804 (1968-09-01), Link
patent: 3494443 (1970-02-01), Huffhines
patent: 3912319 (1975-10-01), Hamilton
patent: 3955522 (1976-05-01), Gaudiano et al.

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