Work arm system for submergible chamber
OwnerBurton Hoster Masoninventor
Life of this patent
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Abstract
A work arm system for a submergible chamber wherein a plurality of work arms are rotatably mounted to the chamber and are retractably extensible, so as to provide a plurality of tools for work at a subsea station, such as an offshore wellhead station. One arm is provided with tool mounts at opposite ends, both ends being retractably extensible so that each end may alternatively be disposed to the subsea station. The present work arm system permits several work functions to be performed without resurfacing of the chamber.
Claims14
A work arm system for a submergible chamber comprising, a submergible chamber, means mounted to and outwardly disposed from the chamber to hold said chamber at a submerged depth adjacent a work area, first and second work arms rotatably mounted to said chamber, said arms being in spaced relationship along the axis of the chamber, and where in said second extends outwardly from the chamber in two directions, and means at at least one end of each arm to mount a tool, so that the tool mount ends of at least two arms may be opposed to the work area.
Dependencies are inferred from the claim text.