Patent ID: 8926385
Filing Date: 2015-01-06
Classification: A63B

Abstract:
1. A fin apparatus for increasing the efficiency of a swimmer or diver during self propulsion through water, comprising: a plurality of high aspect ratio dynamic vanes arranged in a ladder configuration, each vane having a left end and a right end; two side beams, each arranged to both side ends of the ladder configuration of vanes; a foot pocket attached to one end of the side beams; a plurality of pliable hinges that attach the ends of the vanes to the side beams, the pliable hinges allowing the vanes to rotate on a lateral axis during a kick stroke and be resisted by the pliable hinges, wherein each of the pliable hinges includes: a pliable material overlaid over the generally conical rigid protrusions and gap which allows limited resisted rotation around the axis of rotation for each object, and wherein the axes of rotation of both objects need not be parallel or concentric.