Foot supporting structure of a cycling shoe with improved ergonomics

Abstract

A foot supporting structure of cycling shoes with improved ergonomics is disclosed. The structure comprises a heel portion, having a first concave curved surface corresponding to and suitable for a heel of one human foot; an arch portion, connected with the heel portion with a first end thereof and having a first convex curved surface corresponding to and suitable for an arch of the foot; a metatarsus portion, connected with a second end of the arch portion opposite to the first end of the arch portion with a first end thereof and having a second concave curved surface corresponding to and suitable for a metatarsus of the foot; and a toe portion, connected with a second end of the metatarsus portion opposite to the first end thereof and having a second convex curved surface corresponding to and suitable for a location between the metatarsus and each toe of the foot.

What is claimed is: 
     
         1 . A foot supporting structure of a cycling shoe with improved ergonomics, the foot supporting structure at least having a sole, and the sole comprising:
 a heel portion, having a first concave curved surface corresponding to and suitable for a heel of one human foot;   an arch portion, connected with the heel portion with a first end thereof and having a first convex curved surface corresponding to and suitable for an arch of the human foot;   a metatarsus portion, connected with a second end of the arch portion opposite to the first end of the arch portion with a first end thereof and having a second concave curved surface corresponding to and suitable for a metatarsus of the human foot; and   a toe portion, connected with a second end of the metatarsus portion opposite to the first end thereof and having a second convex curved surface corresponding to and suitable for a location between the metatarsus and each toe of the human foot;   wherein the sole is arranged and limited in a cycling shoe and disposed on a bottom plate of the cycling shoe, and a third convex curved surface is formed at an upper portion of the bottom plate corresponding to the second convex curved surface.   
     
     
         2 . The foot supporting structure of a cycling shoe as claimed in  claim 1 , further comprising an insole, disposed in the cycling shoe and arranged between the sole and the bottom plate of the cycling shoe. 
     
     
         3 . The foot supporting structure of a cycling shoe as claimed in  claim 1 , wherein the sole is made by a flexible or soft material and a bottom of the cycling shoe is made by a hard material. 
     
     
         4 . The foot supporting structure of a cycling shoe as claimed in  claim 2 , wherein the sole is made by a flexible or soft material and a bottom of the cycling shoe is made by a hard material. 
     
     
         5 . The foot supporting structure of a cycling shoe as claimed in  claim 2 , the insole is made by a flexible or soft material.