Heel for a woman's shoe with high heel

Abstract

Heel ( 2 ) for a women's shoe ( 1 ) with a high heel; the heel ( 2 ) has a main structure ( 3 ) provided with.—at least a first slit ( 8 ) which is horizontally oriented, extends from side to side through the main structure ( 3 ) along a longitudinal direction ( 9 ), and is blind along a transverse direction ( 10 ) perpendicular to the longitudinal direction ( 9 ) starting from an inner portion of the main structure ( 3 ) and ending in correspondence to a first side ( 11 ) of the main structure ( 3 ); and at least a second slit ( 12 ) which is horizontally oriented, extends from side to side through the main structure ( 3 ) along the longitudinal direction ( 9 ), and is blind along the transverse direction ( 10 ) that is perpendicular to the longitudinal direction ( 9 ) starting from an inner portion of the main structure ( 3 ) and ending in correspondence to a second side ( 13 ) of the main structure ( 3 ) that is opposite to the first side ( 11 ).

1 . A heel for a woman's shoe with a high heel; the heel comprises:
 a main structure with an oblong shape, which, in correspondence to a lower base, is suited to rest on the ground and in correspondence to an upper base that is opposite to the lower base, is suited to be fitted to a sole of the shoe;   at least a first slit which is horizontally oriented, extends from side to side through the main structure along a longitudinal direction, and is blind along a transverse direction that is perpendicular to the longitudinal direction thus originating from an inner portion of the main structure and ending in correspondence to a first side of the main structure; and   at least a second slit which is horizontally oriented, extends from side to side through the main structure along the longitudinal direction, and is blind along the transverse direction that is perpendicular to the longitudinal direction, thus originating from an inner portion of the main structure and ending in correspondence to a second side of the main structure ( 3 ) that is opposite to the first side;   the heel is characterized in that:   each slit involves along the transverse direction more than half of the main structure; and   each first slit is vertically misaligned with respect to the second slits.   
     
     
         2 . The heel according to  claim 1 , wherein:
 there are at least two first slits and/or at least two second slits; and   the first slits are vertically alternated with the second slits.   
     
     
         3 . The heel according to  claim 1  and comprising a reinforcement pin, which is inserted inside a seat which is centrally obtained in the main structure. 
     
     
         4 . The heel according to  claim 3 , wherein the reinforcement pin is integral to, i.e. rigidly fitted, to a lower portion ( 16 ) of the main structure arranged under the slits and is mounted so as to slide with respect to an upper portion of the main structure arranged above the slits. 
     
     
         5 . The heel according to  claim 4 , wherein, in correspondence to the upper portion of the main structure, the seat is internally lined with an antifriction bushing, which is externally integral to the main structure and internally houses, in a sliding manner, the reinforcement pin. 
     
     
         6 . The heel according to  claim 3 , wherein, in a central portion of the main structure arranged in correspondence of the slits, the reinforcement pin presents an outer dimension that is smaller than the inner dimension of the seat so as to avoid touching the wall of the seat. 
     
     
         7 . The heel according to  claim 6 , wherein the reinforcement pin comprises an upper portion which is mechanically connected to an upper portion of the main structure, a lower portion which is integral to a lower portion of the main structure, and elastic means which present a vertical elasticity and are coupled to the reinforcement pin to connect with a vertical elasticity the upper portion of the main structure to the lower portion of the main structure. 
     
     
         8 . The heel according to  claim 7 , wherein:
 the upper portion of the main structure is vertically slidable with respect to the upper portion of the reinforcement pin; and   the elastic means are constituted by at least one spring which is interposed between the reinforcement pin and an abutment wall of the upper portion of the main structure.   
     
     
         9 . The heel according to  claim 8 , wherein the abutment wall of the upper portion of the main structure is constituted by an assembly bushing integral to the upper metal portion. 
     
     
         10 . The heel according to  claim 9  and comprising a fixing plate which is locked at the top of the reinforcement pin, rests against the assembly bushing, and prevents the reinforcement pin from slipping off and rotating upon. 
     
     
         11 . The heel according to  claim 7 , wherein the spring is compressed between the abutment wall of the upper portion of the main structure and an annular shoulder of the reinforcement pin. 
     
     
         12 . The heel according to  claim 7 , wherein the spring is a disk spring. 
     
     
         13 . The heel according to  claim 7 , wherein, in correspondence to the upper portion of the main structure, the seat is internally lined by at least an antifriction bushing which is externally integral to the main structure and internally houses, in a sliding manner, the reinforcement pin. 
     
     
         14 . The heel according to  claim 1 , wherein the main structure comprises a through hole, which extends from side to side through the main structure along the longitudinal direction and is arranged in a central position in correspondence of the slits. 
     
     
         15 . The heel according to  claim 9 , wherein the through hole presents an oblong transverse section having the longer sides that are vertically oriented. 
     
     
         16 . The heel according to  claim 14 , wherein:
 the through hole vertically divides the main structure into two half-structures which are parallel to each other and face each other;   each half-structure comprises at least one first slit and at least one second slit; and   in one half-structure, the first slit is vertically aligned with the second slit of the other half-structure and the second slit is vertically aligned with the first slit the other half-structure.   
     
     
         17 . The heel according to  claim 1 , wherein inside the main structure each slit ends with a cylindrical surface that is arranged parallel to the longitudinal direction. 
     
     
         18 . The heel according to  claim 17 , wherein in each slit, the cylindrical surface presents a diameter that is larger than the vertical dimension of the slit. 
     
     
         19 . The heel according to  claim 1 , wherein at least part of the slits are filled with viscoelastic material. 
     
     
         20 . The heel for a shoe with a high heel; the heel comprises:
 a main structure with an oblong shape, which, in correspondence to a lower base, is suited to rest on the ground and, in correspondence to an upper base that is opposite to the lower base, is suited to be fitted to a sole of the shoe and is divided into a lower portion and an upper portion, which vertically slide with respect to one another; and   a reinforcement pin that is inserted inside a seat centrally obtained in the main structure;   the heel is characterized in that the reinforcement pin comprises an upper portion which is mechanically connected to the upper portion of the main structure, a lower portion, which is integral to the lower portion of the main structure, and elastic means which present a vertical elasticity and are coupled to the reinforcement pin to connect with a vertical elasticity the upper portion of the main structure to the lower portion of the main structure.   
     
     
         21 . The heel according to  claim 20 , wherein:
 the upper portion of the main structure is integral to the upper portion of the reinforcement pin; and   the reinforcement pin comprises an intermediate portion, which connects, without gaps, the lower portion to the upper portion and integrates elastic means in its inside.   
     
     
         22 . The heel according to  claim 21 , wherein the intermediate portion of the reinforcement pin comprises:
 at least a first slit which is horizontally oriented, extends from side to side through the main structure along a longitudinal direction, and is blind along a transverse direction that is perpendicular to the longitudinal direction thus originating from an inner portion of the main structure and ending in correspondence to a first side of the main structure, and   at least a second slit which is horizontally oriented, extends from side to side through the main structure along the longitudinal direction, and is blind along the transverse direction that is perpendicular to the longitudinal direction, thus originating from an inner portion of the main structure and ending in correspondence to a second side of the main structure that is opposite to the first side.   
     
     
         23 . The heel according to  claim 22 , wherein each first slit is vertically misaligned with respect to the second slits. 
     
     
         24 . The heel according to  claim 22 , wherein:
 there are at least two first slits and/or at least two second slits; and   the first slits are vertically alternated with the second slits.   
     
     
         25 . The heel according to  claim 22 , wherein each slit involves, along the transverse direction more than half of the main structure. 
     
     
         26 . The heel according to  claim 22 , wherein in a central portion the main structure arranged in correspondence of the slits, the reinforcement pin presents an outer dimension smaller than the inner dimension of the seat so as to avoid touching the wall of the seat. 
     
     
         27 . The heel according to  claim 22 , wherein inside the intermediate portion of the reinforcement pin each slit ends with a cylindrical surface which is arranged parallel to the longitudinal direction. 
     
     
         28 . The heel according to  claim 27 , wherein in each slit the cylindrical surface has a diameter that is larger than the vertical dimension of the slit. 
     
     
         29 . The heel according to  claim 22 , wherein at least part of the slits are filled with viscoelastic material. 
     
     
         30 . The heel according to  claim 20 , wherein:
 the upper portion of the main structure is vertically slidable with respect to the upper portion of the reinforcement pin; and   the elastic means are constituted by at least one spring which is interposed between the reinforcement pin and an abutment wall of the upper portion of the main structure.   
     
     
         31 . The heel according to  claim 30 , wherein the abutment wall of the upper portion of the main structure is constituted by a metal assembly bushing integral to the upper portion. 
     
     
         32 . The heel according to  claim 31  and comprising a fixing plate that is locked at the top of the reinforcement pin, leans against the assembly bushing, and prevents the reinforcement pin from slipping off and rotating upon. 
     
     
         33 . The heel according to  claim 32 , wherein the fixing plate is locked at the top of the reinforcement pin by way of a screw which engages in a threaded hole formed through the upper portion of the reinforcement pin. 
     
     
         34 . The heel according to  claim 30 , wherein the spring is compressed between the abutment wall of the upper portion of the main structure and an annular shoulder of the reinforcement pin. 
     
     
         35 . The heel according to  claim 30 , wherein the spring is a disk spring. 
     
     
         36 . The heel according to  claim 30 , wherein, in correspondence to the upper portion of the main structure, the seat is internally lined by at least one antifriction bushing which is externally integral to the main structure and internally houses in a sliding manner the reinforcement pin. 
     
     
         37 . The heel according to  claim 20 , wherein the lower portion of the main structure is separated from the upper portion of the main structure by way of a through cut that completely separates the two portions without any point of contact between the two portions themselves. 
     
     
         38 . The heel according to  claim 20 , wherein the lower portion of the reinforcement pin is obtained in one piece with the lower portion of the main structure and therefore integrates the lower portion of the main structure.