Insole for footwear

Abstract

The present invention aims at controlling the balance of a skeletal structure of a foot of a user, and reducing the stress applied on the feet or body of the user wearing the footwear. In order to realize the above objects, the present invention provides an insole 1 for a footwear, having an elevated convexed center section 2 formed on a contact surface to be in contact with a foot, positioned at an intermediate area between a portion corresponding to a base of a big toe of the foot and a portion corresponding to a base of a little toe of the foot, and a concaved center section 3 formed on the contact surface in contact with the foot, positioned on both sides of the convexed section 2, and extending from the portion corresponding to the base of the big toe or the portion corresponding to the base of the little toe to the portion corresponding to a heel.

Description

[0001]The present application is based on and claims priority of Japanese Patent Application No. 2013-228515 filed on Nov. 1, 2013, the entire contents of which are hereby incorporated by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an insole for a footwear.[0004]2. Description of the Related Art[0005]Generally, heavy load is applied on a footwear by the weight of a user during use, so in order to enhance the shock absorbing properties provided by the footwear when the user wearing the footwear is walking or running, or to improve the fitting properties thereof, various insoles for footwear have been devised, as taught in Patent Literature 1 (Japanese Patent Application Laid-Open Publication No. 2001-269201), Patent Literature 2 (Japanese Patent Application Laid-Open Publication No. 2005-205204), Patent Literature 3 (Japanese Patent Application Laid-Open Publication No. 2007-202959) and Patent Literature 4 (Japanese Paten...

AI Technical Summary

Benefits of technology

The present invention provides a footwear with an insole that has a hard support means to cover the base of the foot and the heel. The insole has two void sections: one between the big toe and the heel, and one between the little toe and the heel. This design strengthens the side surfaces of the foot while ensuring flexibility. By wearing this footwear, the skeletal structure of the foot is positioned optimally, and stress on the foot and body during activities such as walking and running is reduced.

Problems solved by technology

As described in the above documents, heavy load is applied on the footwear, but at the same time, heavy load is also applied on foot joints and the like, so that in some cases, the user may feel pain or experience distortion of the foot or the body.

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