Method and apparatus for moving an object on the bottom of a bod

Details Method and apparatus for moving an object on the bottom of a bod Method and apparatus for moving an object on the bottom of a bod

1975-03-05

1976-10-05

Shapiro, Jacob

37 56, 115 9, B25J 300, B63C 1100, E02F 528

Patent

active

039837076

ABSTRACT:
A method for moving an object on the bottom of a body of water comprising producing a positive buoyancy in the region of one of the supports of the object to lift the support from the bottom of the body of water and then turning the object in the desired direction around another of the supports which remains at rest on the bottom of the body of water. Upon completion of the turning movement of the object, the raised support is lowered by producing a negative buoyancy in the region of such support. The positive and negative buoyancy is produced by means of gas and water pumped into containers mounted in the region of the supports.

REFERENCES:
patent: 1134708 (1915-04-01), Watkins
patent: 2602300 (1952-07-01), Collins
patent: 2612759 (1952-10-01), Haward
patent: 3550386 (1970-12-01), Ballinger
patent: 3675607 (1972-07-01), Dorschel
patent: 3812804 (1974-05-01), Najagata et al.

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