Shoelace structure

Abstract

A shoelace structure includes an elastic shoelace having two end sections on two ends thereof and a mediate section is located between the two end sections. Two end pieces are connected to the two end sections and each have a securing section and an engaging section which extends along a longitudinal direction from the securing section. The securing sections are respectively mounted to the end sections and the engaging sections extend toward the mediate section. The shoelace is free from the engaging sections which contact against the shoe to keep the shoelace to be tightened by the elasticity of the shoelace.

1 . A shoelace structure comprising:
 a shoelace having two end sections on two ends thereof and a mediate section located between the two end sections, and   two end pieces each having a securing section and an engaging section which extends along a longitudinal direction from the securing section, the securing sections respectively mounted to the end sections and the engaging sections extending toward the mediate section, the shoelace being free from the engaging sections.   
     
     
         2 . The shoelace structure as claimed in  claim 1 , wherein the shoelace is an elastic member and the end pieces are made of metal, the securing section and the engaging section are made integrally to each other, each securing section has a peripheral wall which has a passage so that the end section is engaged with the passage, a slot is defined through the peripheral wall along the longitudinal direction. 
     
     
         3 . The shoelace structure as claimed in  claim 2 , wherein the securing section of the end piece includes multiple protrusions extending inward from an inner periphery of the peripheral wall, the protrusions are cone-shaped protrusions. 
     
     
         4 . The shoelace structure as claimed in  claim 3 , wherein the securing section includes two rows of teeth which are located on two sides of the slot and extend toward the passage. 
     
     
         5 . The shoelace structure as claimed in  claim 2 , wherein the securing section of the end piece includes multiple spikes extending from the inner periphery of the peripheral wall, spikes are shaped to have a sharp tip. 
     
     
         6 . The shoelace structure as claimed in  claim 5 , wherein the securing section of the end piece includes two rows of teeth which are located on two sides of the slot. 
     
     
         7 . The shoelace structure as claimed in  claim 1 , wherein the end piece is made of plastic material and the securing section is a hollow cylindrical section and the engaging section extends integrally from the securing section, the securing section includes a peripheral wall having a passage and the end section is inserted in the passage and glued to the peripheral wall. 
     
     
         8 . The shoelace structure as claimed in  claim 1 , wherein the shoelace is a non-elastic member and made by way of weaving.