US2005272326A1PendingUtilityA1

Fin mounting system

33
Individually held — no corporate assignee on recordPriority: Jun 2, 2004Filed: May 26, 2005Published: Dec 8, 2005
Est. expiryJun 2, 2024(expired)· nominal 20-yr term from priority
Inventors:Brian Hopper
B63B 32/66B63B 32/64B63B 32/62
33
PatentIndex Score
0
Cited by
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References
0
Claims

Abstract

A system for removably mounting fins to a water craft or surfboard comprising drilling one or more cavities completely through the water craft or surfboard, inserting a sleeve in each cavity, filling the void between the sleeve and the cavity with a thermosetting resin which binds the sleeve in the cavity, inserting a fin having one or more footings into sleeves, each footing frictionally fitting into a sleeve.

Claims

exact text as granted — not AI-modified
1 . A water craft having a base and one or more removable fins depending therefrom, each fin having one or more footings, comprising a cavity through the water craft for each footing, a sleeve in each cavity, a thermoplastic resin binding each sleeve in each cavity, each footing frictionally held in each sleeve.  
   
   
       2 . The device of  claim 1  in which the water craft is a surfboard and a plurality of removable fins depending therefrom, each fin having two or more footings, comprising a hole for each footing passing completely through the surfboard, a sleeve in each hole, a thermoplastic resin binding each sleeve in each hole, each footing frictionally held in each sleeve.  
   
   
       3 . The device of claims  1  or  2 , in which each sleeve has a textured outer surface.  
   
   
       4 . The device of claims  1  or  2 , in which a fastening element runs longitudinally through either footing against either sleeve.  
   
   
       5 . The device of claims  1  or  2 , in which each footing has textured outer surface.  
   
   
       6 . The device of claims  1  or  2 , in which the sleeves are capped at one end.  
   
   
       7 . The device of claims  1  or  2 , in which the sleeves are made from a molded thermoplastic material.  
   
   
       8 . The device of claims  1  or  2 , in which the fin or fins are made from a molded thermoplastic material or a glass fiber reinforced polyester resin.  
   
   
       9 . The device of claims  1 ,  2 , in which the sleeves are capped at one end and have a hole drilled through each cap.  
   
   
       10 . The device of claims  1  or  2 , in which the water craft or surfboard is laminated on one or both the top and bottom surface.  
   
   
       11 . A method for removably mounting a fin onto the base of a water craft or surfboard comprising cutting one or more cavities completely through the water craft or surfboard, inserting a sleeve in each cavity, filling the void between the sleeve and the cavity with a thermosetting resin which binds each sleeve in a cavity, inserting a fin having one or more footings into sleeves, each footing frictionally fitting into a sleeve.  
   
   
       12 . The method of  claim 1   1 , further comprising placing a fastening element longitudinally through one footing of each fin against the sleeve.  
   
   
       13 . The method of  claim 11 , in which each sleeve has a textured outer surface.  
   
   
       14 . The method of  claim 11 , in which each footing has a textured outer surface.  
   
   
       15 . The method of  claim 11 , in which the cavities are placed in the water craft or surfboard at locations which result in the fins being set for maximum performance of the water craft or surfboard.  
   
   
       16 . The method of  claim 11 , in which each sleeve is capped at one end.  
   
   
       17 . The method of  claim 16  further comprising drilling a hole through each capped sleeve.  
   
   
       18 . The device of claims  1  or  2  in which the footings laterally engage the sleeves outside the fin face.

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