US2004045194A1PendingUtilityA1

Shock absorption insole

Priority: Sep 9, 2002Filed: Sep 9, 2002Published: Mar 11, 2004
Est. expirySep 9, 2022(expired)· nominal 20-yr term from priority
Inventors:Mitsuharu Kumai
A43B 13/187A43B 17/003A43B 17/14A43B 7/1425A43B 7/1435A43B 17/02A43B 7/144
19
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Claims

Abstract

By carrying out reinforcement maintenance of the 3 arch structures which this insole of shoe originally has, such as a horizontal arch of foot, and inner side longitudinal arch of foot, and an outside longitudinal arch, the shock absorption of the leg at the time of a walk run is reinforced, and the function of the whole body is improved. It adhered independently to three places equivalent to which the reference point which each arch intersects is, and components, such as a rubber system or a synthetic resin, were made higher than the base of an insole at them, and the whole upper surface of them and a base was covered with cloth or leather, and it considered as three layer structure. It makes it possible not only to prevent fatigue of the whole body, and an obstacle, but for this to expand the cave of each arch middle part, to promote circulation of air, and to prevent morbid obstacles such as athlete's foot, plantar fascities, sports anemia, a flat leg, and hallux valgus.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . The base ( 3 ) of the insole of shoes consists of the quality of the materials of somewhat thick sponge with shock absorption, or leather. 
 The three points of contact portion with three arches formed in foot skelton of tarsal, such as horizontal arch ( 3   a ), inner side longitudinal arch ( 3   b ), and outside longitudinal arch ( 3   c ) are the contact portion of a horizontal arch ( 3   a ) with an inner side longitudinal arch ( 3   b ), a toe an inside [removing a part] point part ( 2   a ) and the contact portion of horizontal arch ( 3   a ) with an outside longitudinal arch ( 3   a ), the outside point central part which removes a fingertip part ( 2   b ) and the contact portion of an inner longitudinal arch ( 3   b ) with an outside longitudinal arch ( 3   c ), a heel part ( 2   c ). Adhesion fixation is gained separate independence and carried out on the base ( 3 ) of an insole, and the portion used as the arch intersection point of contact of the three soles, included a heel part, is highly equipped with the product of the comparatively hard quality of the materials, such as a rubber system or carbon fiber, and a synthetic resin.    On the base ( 3 ) of an insole carried out adhesion fixation independently an inside [removing a part] point part ( 2   a ) and an outside point central part ( 2   b ) which removes a fingertip part and a heel part ( 2   c ) are covering with cloth with a comparatively high friction coefficient, or soft leather the whole upper surface ( 1 ), and therefore the insole tip portion a part ( 1   a ) and the arch of foot part ( 1   b ) of a central inner side portion serve as structure low one step.

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