US 12,274,921 B2
Device for connecting a shoe to an interchangeable blade of a fin
Carlos Alberto Godoy, Genoa (IT)
Assigned to CRESSI-SUB S.P.A., Genoa (IT)
Filed by CRESSI-SUB S.P.A., Genoa (IT)
Filed on Apr. 20, 2022, as Appl. No. 17/724,796.
Claims priority of application No. 102021000010511 (IT), filed on Apr. 26, 2021.
Prior Publication US 2022/0339507 A1, Oct. 27, 2022
Int. Cl. A63B 31/11 (2006.01)
CPC A63B 31/11 (2013.01) [A63B 2031/112 (2013.01); A63B 2225/09 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A swim fin comprising an interchangeable blade having at least two longitudinal tabs along longitudinal perimeter edges thereof, a shoe provided with at least two longitudinal members which extend forwards from two opposite sides of said shoe, each of said longitudinal members having a longitudinal groove for a removable engagement with a corresponding one of said tabs, said longitudinal groove extending up to a front end of said longitudinal member, wherein each of said longitudinal members has a front terminal made of a more rigid material than the remaining part of said longitudinal member, said front terminal being configured for a shape and force coupling with a corresponding one of said tabs and being fastened in direct contact with said corresponding tab.