Patent ID: 8764502
Filing Date: 2014-07-01
Classification: B63B

Abstract:
1. A fin module for attaching a fin to a surfboard comprising a top deck, a core, an underside, and a bore extending through the core between the top deck and the underside, the fin module including: a fin comprising an inner core integral with and including an extending base portion made of substantially rigid material and a cover forming a fin blade made of substantially resilient material, the substantially rigid material having a hardness greater than a hardness of the remainder of the fin; and a fin box made of a substantially rigid material and having a cavity for receiving the base portion; wherein: the fin box is formed separately to the fin and adapted to receive interchangeable fins having a similarly extending base portion construction; the fin box is adapted to engageably receive an engagement end of a connector having a head anchorable at or near the deck and an elongate member extendable through the surfboard core, the connector operable to pull the fin box toward the connector head to adjustably space the connector head from the fin box; the fin box is engageable to a separate extending base portion of an interchangeable fin for attachment to the surfboard; and wherein the fin base is engageable to a separate fin box for attachment to the surfboard.