Patent · US Expired

Self-levelling underwater structure

US4497592A · kind A · utility

43Cited by
8References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 1, 1981
Grant dateFeb 5, 1985
Priority date
Expiry dateDec 1, 2001

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/0175
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A self-levelling underwater structure receivable on an upright support implanted in the floor of a body of water and including a hollow unit fitting over the upright support and having a pivot device thereon engaging the upright support so that the hollow unit gravitates to a level position, and a securing assembly for securing the hollow unit to the upright support in the levelled position. A locking assembly is also provided to prevent relative axial movement of the hollow unit and the upright support once the structure is levelled.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.