High heel shoe having foldable heel

Abstract

A high heel shoe pertains to a folding heel which folds resiliently when the heel tip contacts a surface and absorbs impact transferred from the heel of a wearer's foot to relieve fatigue while walking. The high heel shoe having a foldable heel includes: a sole ( 110 ) having a bottom portion ( 111 ) contacting the ground, and a tilt portion ( 112 ) tilted upwardly from the bottom portion ( 111 ); a heel ( 130 ) having a front top ( 131 ) hinged to the intermediate portion of the lower surface of the tilt portion ( 112 ); and a resilient member ( 140 ) of which both ends are fixed at a rear lower surface ( 112 a ) of the tilt portion ( 112 ) and at a top ( 132 ) of the heel ( 130 ), respectively. The heel ( 130 ) also has an unfolded state in which the elastic force of the resilient member ( 140 ) is released.

1 . A high heel shoe including a foldable heel, comprising:
 a sole ( 110 ) constituted by a bottom portion ( 111 ) in contact with the ground surface, and a tilt portion ( 112 ) raised from the bottom portion ( 111 ) in an inclined manner;   a heel ( 130 ) having a front top ( 131 ) hinged to an intermediate side of a lower surface of the tilt portion ( 112 ); and   a resilient member ( 140 ) having both ends installed at a rear lower surface ( 112   a ) of the tilt portion ( 112 ) and a top surface ( 132 ) of the heel ( 130 ), respectively,   wherein the heel ( 130 ) has an unfolded state in which the top surface ( 132 ) is spaced apart a predetermined angle (α) from the rear lower surface ( 112   a ) of the tilt portion ( 112 ) in a state in which a resilient force of the resilient member ( 140 ) is released, and a folded state pivoted from the unfolded state by a load applied to the tilt portion ( 112 ).   
     
     
         2 . The high heel shoe including the foldable heel according to  claim 1 , wherein the heel ( 130 ) has a hooking surface ( 138 ) formed at the front top ( 131 ) and in contact with a front lower surface ( 112   b ) of the tilt portion ( 112 ) in the unfolded state. 
     
     
         3 . The high heel shoe including the foldable heel according to  claim 1 , wherein the sole ( 110 ) has a threshold ( 119 ) protruding from the front lower surface ( 112   b ) of the tilt portion ( 112 ) to come in contact with a lower surface ( 131   b ) of the front top ( 131 ) of the heel ( 130 ) in the unfolded state. 
     
     
         4 . The high heel shoe including the foldable heel according to  claim 1 , wherein a pivot shaft support sections ( 113 ) protrudes from an intermediate side of a lower surface of the tilt portion ( 112 ), a pivot shaft ( 120 ) supported by the pivot shaft support sections ( 113 ) is installed, and the heel ( 130 ) is hinged to the pivot shaft ( 120 ). 
     
     
         5 . The high heel shoe including the foldable heel according to  claim 4 , wherein the resilient member ( 140 ) comprises:
 a torsional coil spring ( 142 ) inserted onto the pivot shaft ( 120 );   a sole support section ( 144 ) extending from the torsional coil spring ( 142 ) and configured to support the rear lower surface ( 112   a ) of the tilt portion  112 ; and   a heel support section ( 146 ) extending from the torsional coil spring ( 142 ) to form the predetermined angle (α) with respect to the sole support section ( 144 ) and configured to support the top surface ( 132 ) of the heel ( 130 ).   
     
     
         6 . The high heel shoe including the foldable heel according to  claim 5 , wherein a sole support receiving groove ( 114 ) in which the sole support section ( 144 ) is received and fixed is formed at the rear lower surface ( 112   a ) of the tilt portion ( 112 ), and a heel support receiving groove ( 133 ) in which the heel support section ( 146 ) is received and fixed is formed at the top surface ( 132 ) of the heel ( 130 ). 
     
     
         7 . The high heel shoe including the foldable heel according to  claim 1 , further comprising a plate-shaped auxiliary resilient member ( 150 ) adhered to the rear lower surface ( 112   a ) of the tilt portion ( 112 ) or the top surface ( 132 ) of the heel ( 130 ). 
     
     
         8 . The high heel shoe including the foldable heel according to  claim 1 , wherein a heel guide section ( 116 ) configured to guide a side portion of an upper end of the heel ( 130 ) upon pivotal movement of the heel ( 130 ) into the folded state, protrudes from the rear lower surface ( 112   a ) of the tilt portion ( 112 ). 
     
     
         9 . The high heel shoe including the foldable heel according to  claim 8 , wherein the heel guide section ( 116 ) further comprises a heel cover ( 117 ) extending to an upper end of the heel ( 130 ) in the unfolded state. 
     
     
         10 . The high heel shoe including the foldable heel according to  claim 2 , wherein a pivot shaft support sections ( 113 ) protrudes from an intermediate side of a lower surface of the tilt portion ( 112 ), a pivot shaft ( 120 ) supported by the pivot shaft support sections ( 113 ) is installed, and the heel ( 130 ) is hinged to the pivot shaft ( 120 ). 
     
     
         11 . The high heel shoe including the foldable heel according to  claim 10 , wherein the resilient member ( 140 ) comprises:
 a torsional coil spring ( 142 ) inserted onto the pivot shaft ( 120 );   a sole support section ( 144 ) extending from the torsional coil spring ( 142 ) and configured to support the rear lower surface ( 112   a ) of the tilt portion  112 ; and   a heel support section ( 146 ) extending from the torsional coil spring ( 142 ) to form the predetermined angle (α) with respect to the sole support section ( 144 ) and configured to support the top surface ( 132 ) of the heel ( 130 ).   
     
     
         12 . The high heel shoe including the foldable heel according to  claim 11 , wherein a sole support receiving groove ( 114 ) in which the sole support section ( 144 ) is received and fixed is formed at the rear lower surface ( 112   a ) of the tilt portion ( 112 ), and a heel support receiving groove ( 133 ) in which the heel support section ( 146 ) is received and fixed is formed at the top surface ( 132 ) of the heel ( 130 ). 
     
     
         13 . The high heel shoe including the foldable heel according to  claim 3 , wherein a pivot shaft support sections ( 113 ) protrudes from an intermediate side of a lower surface of the tilt portion ( 112 ), a pivot shaft ( 120 ) supported by the pivot shaft support sections ( 113 ) is installed, and the heel ( 130 ) is hinged to the pivot shaft ( 120 ). 
     
     
         14 . The high heel shoe including the foldable heel according to  claim 13 , wherein the resilient member ( 140 ) comprises:
 a torsional coil spring ( 142 ) inserted onto the pivot shaft ( 120 );   a sole support section ( 144 ) extending from the torsional coil spring ( 142 ) and configured to support the rear lower surface ( 112   a ) of the tilt portion  112 ; and   a heel support section ( 146 ) extending from the torsional coil spring ( 142 ) to form the predetermined angle (α) with respect to the sole support section ( 144 ) and configured to support the top surface ( 132 ) of the heel ( 130 ).   
     
     
         15 . The high heel shoe including the foldable heel according to  claim 14 , wherein a sole support receiving groove ( 114 ) in which the sole support section ( 144 ) is received and fixed is formed at the rear lower surface ( 112   a ) of the tilt portion ( 112 ), and a heel support receiving groove ( 133 ) in which the heel support section ( 146 ) is received and fixed is formed at the top surface ( 132 ) of the heel ( 130 ).