Patents Assigned to Simpson-Lawrence Ltd.
  • Marine anchor
    Patent number: 5138967
    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.
    Type: Grant
    Filed: November 1, 1990
    Date of Patent: August 18, 1992
    Assignee: Simpson-Lawrence Ltd.
    Inventors: Philip F. McCarron, James W. Stewart, Gordon M. Lyall