Patent ID: 10279874

Abstract:
A fin system for releasibly securing a fin to a water craft the system including: a fin box with at least one elongated slot open at a first surface of the fin box and extending a depth inward towards a closed base opposite the first surface; one or more fixed securing features in the fin box, below the first surface and adjacent and open to the at least one elongated slot; one or more vertical access slots in the fin box, open at one end to the first surface, adjacent and open to the at least one elongated slot and extending the depth inwards towards the closed base; and, a fin with a fin base dimensioned to be slideably received by the at least one elongated slot of the fin box, wherein the fin base includes one or more fixed fin attachment mechanisms each having at least one tab or recess dimensioned to be received first by the one or more vertical access slots and received subsequently by the fixed securing features, wherein an engagement of the at least one fin tab or fin recess with the securing features secures the fin in the fin box.