Patent · US Expired

Watercraft with inflatable stabilization ring

US7069873B2 · kind B2 · utility

2Cited by
5References
9Claims
0Family size

Inventor

Key dates

Filing dateOct 12, 2001
Grant dateJul 4, 2006
Priority date
Expiry dateOct 12, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B2043/145
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Watercraft with a solid hull and a solid outer side, where a recess extending essentially in a horizontal plane is formed in the outer side of said watercraft above the water line, in which recess an elastically deformable safety element is permanently installed, which element is folded onto itself in a first operating state and is inflated by means of a pressurized fluid from a source of pressurized fluid in a second operating state, characterized in that at least one undercut projection is formed in the recess in the outer side of the watercraft, and in that the safety element has at least one concavity designed as the negative of the positive shape of the projection, so that the projection engages positively and nonpositively with the concavity.

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