Patent ID: 6050868
Filing Date: 2000-04-18
Classification: A63B,B63B,B63H

Abstract:
A swim fin comprising:(a) a shoe member;(b) a blade member forming a forward extension on said shoe member having an inner edge that may twist, a root portion adjacent said shoe member and a fore edge spaced from said shoe member and said root portion, said blade member having an opening along said fore edge and extending toward said shoe member, said opening terminating at a predetermined distance from said shoe member, said opening sufficient to partition said blade member into two blade halves, said shoe member being molded to said blade member adjacent said root portion of said blade portion to secure said blade member to said shoe member; and(c) a pair of stiffening members, said stiffening members substantially confining said blade member in a generally sideways manner, wherein said blade member has sufficient resiliency to permit a portion of said blade member to twist to a reduced angle of attack under varying load conditions created as said swim fin is moved through a fluid medium.