Sports shoe

Abstract

A shoe designed to cooperate with an apparatus through a pedaling action, the shoe including a base extending lengthwise from a rear end to a front end, widthwise between a lateral side and a medial side, and depthwise between a surface for cooperating with the apparatus and an inner surface, the base having, from the rear end to the front end, a rear zone, a central zone, a metatarsal zone, and a front zone, the shoe including a lateral wall and a medial wall. The lateral wall and the medial wall are affixed directly to the base, and the base, the lateral wall, and the medial wall are rigid subdivisions of the shoe.

1 . A sports shoe for cooperating with an apparatus through a pedaling action, the shoe comprising:
 a base extending lengthwise from a rear end to a front end, widthwise between a lateral edge and a medial edge, and depthwise between a surface for cooperation with the apparatus and an inner surface;   the base having, from the end rear to the front end, a rear zone, a central zone, a metatarsal zone, and a front zone, the shoe comprising a lateral wall and a medial wall; and   the lateral wall and the medial wall being affixed directly to the base, and the base, the lateral wall, and the medial wall being rigid subdivisions of the shoe.   
     
     
         2 . A sports shoe according to  claim 1 , further comprising:
 a rear wall affixed directly to the base and a front wall affixed directly to the base, the rear and front walls being rigid subdivisions of the shoe, the rear, lateral, front, and medial walls forming a peripheral belt.   
     
     
         3 . A sports shoe according to  claim 1 , wherein:
 the base and each of the walls form a part having a continuous unitary structure.   
     
     
         4 . A sports shoe according to  claim 1 , wherein:
 at least one of the walls has through openings.   
     
     
         5 . A sports shoe according to  claim 1 , further comprising:
 an upper opening extending so as to be opposite the rear zone, opposite the central zone, and at least partially opposite the metatarsal zone.   
     
     
         6 . A sports shoe according to  claim 1 , wherein:
 the base and the walls are made of a plastic material.   
     
     
         7 . A sports shoe according to  claim 6 , wherein:
 the base has a thickness between 1.0 and 6.0 mm; and   each wall has a thickness between 1.0 and 3.0 mm.   
     
     
         8 . A sports shoe according to  claim 1 , wherein:
 the base and the walls are made of fibers and/or fiber portions affixed to one another by a matrix of synthetic material.   
     
     
         9 . A sports shoe according to  claim 8 , wherein:
 the fibers and/or fiber portions are mainly made of carbon.   
     
     
         10 . A sports shoe according to  claim 8 , wherein:
 the base and each of the walls has a thickness between 0.3 and 2.0 mm.   
     
     
         11 . A sports shoe according to  claim 8 , wherein:
 each wall has a thickness between 50 and 150% of a thickness of the base.   
     
     
         12 . A sports shoe according to  claim 1 , wherein:
 the base has a substantially uniform thickness at least in the central and metatarsal zones.   
     
     
         13 . A sports shoe according to  claim 1 , wherein:
 the base has a substantially uniform thickness in the central zone, the metatarsal zone and within each of the front and rear zones.   
     
     
         14 . A sports shoe according to  claim 12 , wherein:
 each of the walls has a respective rigidity substantially equal to a rigidity of the base within planes of respective thicknesses of the walls and base.   
     
     
         15 . A sports shoe according to  claim 1 , wherein:
 the cooperation surface is flat in the metatarsal zone.   
     
     
         16 . A sports shoe according to  claim 1 , wherein:
 in the metatarsal zone, the cooperation surface has a convex curvature in the longitudinal direction and a straight curvature in the transverse direction.   
     
     
         17 . A sports shoe according to  claim 16 , wherein:
 the longitudinal convexity of the cooperation surface has a radius or radii of curvature of between 150 and 250 mm.   
     
     
         18 . A sports shoe according to  claim 1 , wherein:
 in the metatarsal zone, the cooperation surface has a convex curvature in the longitudinal direction and a convex curvature in the transverse direction.   
     
     
         19 . A sports shoe according to  claim 18 , wherein:
 the longitudinal convexity of the cooperation surface has a radius or radii of curvature of between 150 and 250 mm; and   the transverse convexity of the cooperation surface has a radius or the radii of curvature of between 150 and 250 mm.   
     
     
         20 . A sports shoe according to  claim 1 , further comprising:
 a cleat arranged in the metatarsal zone, the cleat being provided to cooperate with a pedal of the apparatus.   
     
     
         21 . A sports shoe according to  claim 20 , wherein:
 the cleat comprises at least one screw having a head located on a side of the inner surface.   
     
     
         22 . A sports shoe according to  claim 20 , wherein:
 in the metatarsal zone, the base has a cavity open on a side of the inner surface.   
     
     
         23 . A sports shoe according to  claim 1 , wherein:
 in the metatarsal zone, a spacer is arranged so as to be opposite the cooperation surface.   
     
     
         24 . A sports shoe according to  claim 1 , further comprising:
 a device for tightening the lateral and medial walls.   
     
     
         25 . A sports shoe according to  claim 1 , further comprising:
 a liner.