Jack-up platform locking apparatus

Details Jack-up platform locking apparatus Jack-up platform locking apparatus

1979-08-01

1981-03-10

Taylor, Dennis L.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With work deck vertically adjustable relative to floor

254105, 405198, E02B 1708, B66F 100

Patent

active

042550696

ABSTRACT:
The invention relates to a jack-up platform locking apparatus. The subject locking apparatus includes a frame operable to be securely connected to a deck of the platform and a lock unit having at least one tooth for engaging a compatibly configured surface upon a vertically adjustable platform leg. Hydraulic motor means are provided for vertically adjusting the lock with respect to the deck and leg. An additional hydraulic motor is provided for horizontally actuating or deactuating the lock with respect to the platform leg. The invention further includes a mechanical assembly for vertically securing an engaged lock with respect to the platform deck. A reaction wedge member is provided for horizontally securing the lock in firm engagement with the leg of the offshore platform.

REFERENCES:
patent: 2308743 (1943-01-01), Bulkley et al.
patent: 2970445 (1961-02-01), Suderow
patent: 3171259 (1965-03-01), Roussel
patent: 3278158 (1966-10-01), Saldana
patent: 3343371 (1967-09-01), Heitkamp
patent: 3484911 (1969-12-01), Smulders
patent: 3495806 (1970-02-01), Sutton
patent: 3722863 (1973-03-01), Itoh et al.
patent: 4007914 (1977-02-01), Sutton

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