Patent ID: 9167864
Filing Date: 2015-10-27
Classification: A43B

Abstract:
1. An elastic insole having a generally flat upper surface, an underside, a front at the toe area and a back at the heel area, a medial side and a lateral side, a longitudinal length from the front to the back and a transverse width from the medial side to the lateral side, the insole comprising: a pair of wedge shaped components positioned in opposing directions and on opposite sides on the underside of said insole; a front end section located from the front of the insole to the back most portion of a first wedge shaped component on the front side of the underside of said insole; a back end section located from the back of the insole to the front most portion of a second wedge shaped component on the back side of the underside of said insole; a middle section between the front end section and the back end section, places of contact on the underside of said insole at the portions of said wedge shaped components furthest away from the upper surface of said insole; wherein said underside of said insole at said middle section is closer to said upper surface of said insole than said places of contact; wherein when said insole is placed inside an article of footwear and weight is placed down onto said insole, said front end section and said back end section of said insole each rotate in about opposite directions about said places of contact causing said insole to bend upward in the middle section and said underside of said insole to flatten in the front end section and the back end section.