US2013019502A1PendingUtilityA1

Correcting and balancing shoes having springs

Assignee: KWON DONG-HYUKPriority: Dec 8, 2010Filed: Dec 1, 2011Published: Jan 24, 2013
Est. expiryDec 8, 2030(~4.4 yrs left)· nominal 20-yr term from priority
Inventors:Dong-Hyuk Kwon
A43B 13/182A43B 7/24A43B 13/30A43B 7/1464
23
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Claims

Abstract

Disclosed in a spring shoe for a balance correction which comprises a shoe rear side bottom plate which is made from a rigid synthetic resin material and is engaged to a rear side of a lower surface of a shoe outer leather and has an engaging groove which is downwardly open at a rear, lower surface; a shoe front side bottom plate which is engaged to a front side of a lower surface of the shoe outer leather in a shape that the rear side covers the front side of the shoe rear side bottom plate; and a coil spring which is formed with its width being gradually reduced from a lower side to an upper side.

Claims

exact text as granted — not AI-modified
1 . A spring shoe for a balance correction, comprising:
 a shoe rear side bottom plate  200  which is made from a rigid synthetic resin material and is engaged to a rear side of a lower surface of a shoe outer leather  100  and has an engaging groove  220  which is downwardly open at a rear, lower surface;   a shoe front side bottom plate  300  which is engaged to a front side of a lower surface of the shoe outer leather  100  in a shape that the rear side covers the front side of the shoe rear side bottom plate  200 ;   a coil spring  420  which is formed with its width being gradually reduced from a lower side to an upper side;   an upper side holder plate  440  which is integrally formed at an upper side of the coil spring  420  and is inserted into the engaging groove  220  in a state that it does not rotate;   a spring holder  400  which has an integrally formed lower side holder plate  460  in order for the lower side of the coil spring  420  to be horizontal;   an engaging part  500  which sequentially passes through the shoe outer leather  100  and the engaging groove  220  and is inserted into the screw groove  444  formed at the center of the upper side holder plate  440  with its head being caught on the shoe outer leather  100 ; and   a bottom plate  600  which is made from a soft synthetic resin material and is detachably engaged to the shoe rear side bottom plate  200  as a bent end  620  is formed at one side, and the other side being integrally engaged to the lower surface of the lower side holder plate  460 ,   wherein a protrusion-shaped intermediate key  242  is protruded from a lower surface of a front side of the shoe rear side bottom plate  200 , and a screw groove  252  is formed at both sides about the intermediate key  242 ; and a key groove  622  is formed at the bent end  620  of the bottom plate  600 , with the intermediate key  242  being inserted into the key groove  622 , and a bolt hole  624  is formed at both sides for a bolt  660  screw-engaged in the screw groove  252  to pass.

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