Ergonomical flippers for swimming or diving

Abstract

Ergoniomical flippers for swimming or diving include a nautical shoe and a fin forming a single part of the same material. The fin extends from the sole of the nautical shoe with an inclination of about 45° with respect to the front area of the sole or tip and from an intermediary position between the middle of the sole and the tip. It is also provided with a triangular prismatic reinforcement both at the front and rear areas respectively of the junction between the sole and the flipper or fin, thereby forming a single part. Also, minor sides of each reinforcement are in contact with the sole and the fin.

1 . Ergonomical flippers for swimming or diving, comprising: 
 a nautical shoe having a sole with a front area, and    a fin forming a single piece with the fin and being of a same material as the fin, the fin extending from the sole of the nautical shoe with an inclination of about 45° with respect to the front area of the sole and extending from an intermediary position of the sole between a middle of the sole and a tip of the sole.    
   
   
       2 . Ergonomical flippers for swimming or diving according to  claim 1 , wherein the fin is provided with respective prismatic triangular reinforcements in front and rear areas respectively of a junction between the sole and the fin, with smaller faces of each reinforcement being in contact with the sole and the fin.  
   
   
       3 . Ergonomical flippers for swimming and diving according to  claim 1 , wherein the fin has front and rear reinforcements forming a single piece with the fin and the nautical shoe, with the front reinforcement extending from the tip to a front area of the fin and the rear reinforcement extending from a rear part of the sole to the a rear part of the fin, such that there is a space without any material between the two reinforcements.