Lightweight shoe sole having structure displaying shock absorption and rebound elasticity

Abstract

The present invention relates to a lightweight shoe sole having a structure for shock absorption and rebound resilience that is capable of improving shock absorption and rebound resilience characteristics, while providing light weight. The lightweight shoe sole includes: a reinforcing member; a first midsole having first protrusions formed integrally therewith, the first protrusions being supported on one surface of the reinforcing member; and a second midsole having second protrusions formed integrally therewith, the second protrusions being supported on the other surface of the reinforcing member, wherein the first protrusions and the second protrusions are supported by means of the reinforcing member in non-overlapping regions therebetween.

1 . A lightweight shoe sole having a structure for shock absorption and rebound resilience, comprising:
 a reinforcing member;   a first midsole having first protrusions formed integrally therewith, the first protrusions being supported on one surface of the reinforcing member; and   a second midsole having second protrusions formed integrally therewith, the second protrusions being supported on the other surface of the reinforcing member,   wherein the first protrusions and the second protrusions are supported by means of the reinforcing member in non-overlapping regions therebetween.   
     
     
         2 . The lightweight shoe sole according to  claim 1 , wherein the reinforcing member is made of a high resilient material having relatively higher resilience than the first midsole and the second midsole. 
     
     
         3 . The lightweight shoe sole according to  claim 1 , wherein the first protrusions of the first midsole are spaced apart from each other, while the second protrusions of the second midsole are spaced apart from each other, and a first shock-absorbing space is formed between the neighboring first protrusions, while a second shock-absorbing space is formed between the neighboring second protrusions, so that the first protrusions are supported on the second shock-absorbing spaces by means of the reinforcing member, and the second protrusions are supported on the first shock-absorbing spaces by means of the reinforcing member. 
     
     
         4 . The lightweight shoe sole according to  claim 3 , wherein at least any ones of the first shock-absorbing spaces and the second shock-absorbing spaces are formed in such a manner as to communicate with the outside. 
     
     
         5 . The lightweight shoe sole according to  claim 3 , wherein the first protrusions and the second protrusions are provided in an integral form located continuously in the width directions of the first midsole and the second midsole or in a plural form located discontinuously in the width directions thereof. 
     
     
         6 . The lightweight shoe sole according to  claim 3 , wherein at least any ones of the first shock-absorbing spaces and the second shock-absorbing spaces are filled with a filling material. 
     
     
         7 . The lightweight shoe sole according to  claim 3 , wherein the reinforcing member comprises:
 a reinforcing plate against which the first protrusions and the second protrusions are supported; and   reinforcing side walls formed integrally with the side end portion of the reinforcing plate to surround the side surfaces of at least one of the first midsole and the second midsole.   
     
     
         8 . The lightweight shoe sole according to  claim 7 , wherein the reinforcing side walls surround the whole or partial side surfaces of the first midsole or the second midsole to prevent foreign matters from entering the first shock-absorbing spaces or the second shock-absorbing spaces. 
     
     
         9 . The lightweight shoe sole according to  claim 3 , wherein the reinforcing member comprises:
 a reinforcing plate against which the first protrusions and the second protrusions are supported; and   reinforcing side walls formed integrally with the side end portion of the reinforcing plate to surround the side surfaces of one of the first midsole and the second midsole, so that the other is adapted to cover the whole or partial outside surfaces of the reinforcing side walls.   
     
     
         10 . The lightweight shoe sole according to  claim 1 , wherein the reinforcing member comprises:
 a reinforcing plate against which the first protrusions and the second protrusions are supported; and   reinforcing ribs extended integrally from the side end portion of the reinforcing plate, while being spaced apart from the reinforcing plate by a given distance, so as to surround the side surfaces of at least one of the first midsole and the second midsole.   
     
     
         11 . The lightweight shoe sole according to  claim 10 , wherein the reinforcing ribs have a relatively higher thickness than the reinforcing plate. 
     
     
         12 . The lightweight shoe sole according to  claim 10 , wherein the reinforcing plate has incised portions formed thereon. 
     
     
         13 . The lightweight shoe sole according to  claim 1 , wherein the first midsole or the second midsole disposed on the underside of the reinforcing member has exposure holes formed thereon, through which a portion of the reinforcing member is exposed from the underside surface of the first midsole or the second midsole.