Patent · US Expired

Marine anchor

US5138967A · kind A · utility

10Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 1990
Grant dateAug 18, 1992
Priority date
Expiry dateNov 1, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B2021/222
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A marine anchor is described which has a shank having a leading end for attachment to a cable and a general double-bladed ploughshare shaped fluke fixed to the shank with the blades disposed symmetrically about the median plane of the shank. The leading ends of the blades terminate in a single apex and the trailing ends of each blade diverges outwardly from said medial plane, each blade having a generally inwardly dished shape. The blades can be curved or consist of at least two flat angled surfaces.

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