ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,541, issued on Nov. 25.
"Dynamic fin alignment system" was invented by Yuri Mendez Zarate (Ottawa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A watercraft fin that dynamically keep a neutral alignment within the range of angles a user chooses to have and/or change in respond to the flow conditions so reducing drag. Hence, this invention is such to enable a fin to rotate within a range of angles via a rotary bearing and bearing housing which are to receive a fin having a journal base. The housing is to be fitted to a watercraft such as a surfboard, the housing having a changeable circular keyway to loosely receive a shear key at the underside of t...