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Footwear Heel Design

a technology for footwear and heel, applied in footwear, apparel, applications, etc., can solve the problems of increasing the probability of damage, affecting the shape of the heel of the shoe, and affecting the appearance of the shoe,

Inactive Publication Date: 2017-10-26
MACDONALD LARRY RAYMOND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is about a new shape of the heel of a shoe for walking and running. The aim is to reduce the strain on the shin muscles, ligaments, and plantar fasciae by keeping the natural strike point of the heel. This shape is designed to maintain the normal angle of the person's heel when walking or running. Different shoe designs with different modifications to the heel are shown in the patent text to demonstrate the effectiveness of this new shape. The technical effect of this invention is to provide better protection against injury and improve the shoe's comfort and performance for the person wearing them.

Problems solved by technology

Extending the lever arm of the calcaneus causes overloading which damages the fasciae, ligaments and their connections to the bones.
Extending the heel and increasing the forces acting on the plantar fasciae of an overweight person greatly increases the probability of damage.
The repetitive action of running or extended periods of walking magnifies the problems caused by increased leverage on the calcaneus.
It does not address the problem of unnatural heel strike overloading the Medial tibial muscles and tissues or plantar fasciae.
This design may work but necessitates a very thick rounded portion of shoe sole and is not the choice of all.

Method used

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  • Footwear Heel Design
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Examples

Experimental program
Comparison scheme
Effect test

first embodiment

—FIRST EMBODIMENT

[0063]FIG. 5C is the shoe of 5B with a lower heel.

[0064]FIG. 6C shows a variation of 6B which conforms with alternative embodiment 3C.

[0065]FIG. 8C is an alternative embodiment of 8B.

[0066]FIG. 9 shows an example of a heel in which the contact point can be adjusted forward to reduce loading on foot and appended structure in the case of weakness or pathology.

DRAWINGS—REFERENCE NUMERALS

[0067]2. the calcaneus bone.

[0068]4. the talus bone

[0069]6. the tibia bone

[0070]7. the radius of the calcaneus which delineates the form of the heel.

[0071]8. the radius of the contact area which is the radius the heel follows under weight. This is approximately half the unloaded tissue thickness.

[0072]9. the radius of the contact area the heel follows under weight duplicated in the heel of the shoe.

[0073]10. radius 7 extended into a circle to illustrate the use of the back of foot as a marker for the placement of radius 9 in the shoe heel.

[0074]11. represents the approximate point on th...

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Abstract

A design of heel of footwear which reproduces the ground contacting portion, or minimally the key elements of the ground contacting portion of the heel of the wearer in shape and placement in relation to the foot and function. That is a shape of heel in the footwear which does not imbalance the natural functions and leverage of the foot in bipedal locomotion through addition of material outside the confines of the shape and measurements of the wearer's own heel in the sagittal plane. This design of heel will afford the wearer the grace, smoothness and ease of stride enjoyed while barefoot. The wearer of a shoe with such a shape of heel will not suffer from shocks and strains to the foot and supporting members caused by the shape of the shoeheel. These being the types of shocks and strains contributing largely to shin splints and plantar fasciitis and attendant pathologies.

Description

[0001]Footwear heel designed to prevent additional forces acting against the wearer's heel caused by the footwear. The intention of the design being to alleviate shin splints, plantar fasciitis and associated medical problems caused or worsened by said additional forces and to promote ease of gait and grace in heel and toe walking / running, that is bipedal locomotion wherein the strikepoint of the leading foot is the heel.[0002]Footwear heel design to allow natural movement of foot in heel and toe / walking running.[0003]Use of heel design to alleviate a medical condition of the foot, specifically shin splints / plantar fasciitis.[0004]Cross reference to related applications: NA[0005]In this paper shoe and footwear are used interchangeably.[0006]Sagittal plane refers to the plane of the side view of the body, profile is also used with the same meaning.[0007]Heel in reference to footwear means the ground contacting rear portion of an article of footwear, that portion which supports the he...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A43B13/18A43B13/14A43B13/04
CPCA43B13/186A43B13/141A43B13/04A43B13/188A43B13/145A43B13/183
Inventor MACDONALD, LARRY RAYMOND
Owner MACDONALD LARRY RAYMOND
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