US PATENT SUBCLASS 405 / 196
.~ With work deck vertically adjustable relative to floor

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

195.1  DF  MARINE STRUCTURE OR FABRICATION THEREOF {11}
196.~ With work deck vertically adjustable relative to floor {4}
197  DF  .~.~> Sectional leg
198  DF  .~.~> Longitudinally extending projections or recesses
199  DF  .~.~> Frictional gripper
200  DF  .~.~> By buoyancy control

DEFINITION

Classification: 405/196

With work deck vertically adjustable relative to floor:

(under subclass 195.1) Method or apparatus wherein the construction includes a platform on which, or from which a work operation is to be performed, which platform is supported by one or more elongated columnar members that are secured to the bed underlying body of water, and which platform is movable up and down with relation to the member(s) and the bed.