Sole liner for shoe

Details Sole liner for shoe Sole liner for shoe

1999-02-11

2000-09-19

Kavanaugh, Ted

Boots, shoes, and leggings

Soles

Cushion

36 30R, 36 44, 36141, A43B 1320

Patent

active

061193704

ABSTRACT:
An insert or inner sole for a shoe having as its purpose support of the metatarsal and arch portions of the foot to thereby reduce pressure on those areas and associated foot pain. The insert or inner sole has three layers that interface with one another to create and displace a metatarsal hump. As a foot strides, the flex plate layer rocks forward and back on its centrally located, relatively thicker hump portion. The flex plate may engage the bottom layer by way of serration or friction.

REFERENCES:
patent: 3834046 (1974-09-01), Fowler
patent: 4183155 (1980-01-01), Payne
patent: 4499672 (1985-02-01), Kim
patent: 4635384 (1987-01-01), Huh et al.
patent: 5152081 (1992-10-01), Hallenbeck et al.
patent: 5189816 (1993-03-01), Shibata
patent: 5595003 (1997-01-01), Snow
patent: 5619809 (1997-04-01), Sessa
patent: 5915819 (1999-06-01), Gooding
1.) Ad for Gel Filled Insoles 2.) Ad for ArchMates by FootSmart Products 3.) Boston Store ad for Gel-Soles 4.) Fetherspring Brochure 5.) Article from Discover Magazine entitled "The Purpose of Toes" dated Feb. 1995.

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