Transition Insole with Segmented Fastening for Secure Shoe Style Changes

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Solution Overview

Problem

Existing shoes with interchangeable covers face issues of discomfort due to heat buildup, loose securement, and incomplete style transformation, as they often use unsuitable materials and inadequate fastening systems, which can damage the original shoe and lead to slipping during use.

Innovation Solution

A shoe design featuring a transition insole and shoe base with snap, hook and loop, or clamp fasteners that securely attach the insole to the shoe base, allowing for easy and complete style changes of both the front and back parts, ensuring a comfortable fit and preventing movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a removable cover is secured to the shoe by hook and loop fastener, then the cover can be easily attached and removed, but the cover may loosen and disengage from the shoe during use

Engineering Contradiction:

Improveease of attachmentVSAvoidsecurement reliability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The shoe cover is divided into multiple sections with separate fastening mechanisms. The front portion uses hook and loop fasteners for easy attachment, while the rear portion uses elastic material with eyelets and laces for secure retention, preventing the cover from slipping off during use.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different portions of the shoe cover use different materials and fastening methods tailored to their specific functional requirements. The front portion uses stretchable material with hook and loop fasteners for ease of attachment, while the rear portion uses elastic material with laces for secure retention and comfort.

Inventive Principle:

Principle #3Local quality

2Reliability

If adhesive is used to secure the cover on the original shoe, then the cover is firmly attached, but the original shoe may be ruined

Engineering Contradiction:

Improveattachment firmnessVSAvoiddamage to original shoe

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The fastening function is extracted from the shoe itself and transferred to separate, removable components (hook and loop fasteners, elastic material with eyelets and laces) that attach to the shoe without permanent modification, avoiding damage to the original shoe.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Hook and loop fasteners serve as an intermediary mechanism between the cover and the shoe, providing secure attachment without requiring adhesive that could damage the original shoe. The fasteners can be attached and removed without leaving residue or causing harm.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of operation

If stretchable material is used for the shoe cover, then the cover can be easily attached, but the material is not suitable for securement

Engineering Contradiction:

Improveease of attachmentVSAvoidsecurement reliability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The shoe cover combines stretchable material for the front portion with elastic material for the rear portion. The stretchable material facilitates easy attachment, while the elastic material with eyelets and laces provides secure retention, creating a composite structure that leverages the advantages of both materials.

Inventive Principle:

Principle #40Composite materials

4Device complexity

If the cover changes only the front portion of the shoe, then the attachment is simpler, but the back portion remains in original color and style

Engineering Contradiction:

Improveattachment complexityVSAvoidstyle transformation completeness

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The shoe cover is designed as a universal accessory that transforms the entire shoe by covering both the front and rear portions. The coordinated design of the front and rear sections ensures complete style transformation while maintaining a unified appearance, allowing the shoe to be adapted for various occasions.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables quick and secure style changes without compromising comfort or the original shoe's integrity, providing a versatile and aesthetically consistent appearance for various occasions.

Implementation Method 1

the insole is removably secured to the shoe base by one or more fasteners, such as a snap or hook and loop fasteners

Methodology Applied

Scientific EffectHook and loop fastening: Velcro

Implementation Method 2

the heel ends are removably secured to one another so as to allow one or more front straps to be disposed there between

Methodology Applied

Scientific EffectSnap fastening: Mechanical Fastener

Data Source

PatentUS9609903B2Transition insoles

Publication Date: 2017.04.04 ESTELA MADRIGAL VAZQUEZ J MS

AI summary

The present invention provides a device used to change the visual appearance of the straps of a shoe. The interchangeable shoe device comprises an insole and a shoe base, wherein the insole is removably secured to the shoe base by one or more fasteners, such as a snap. The shoe base and insole each comprise a toe end opposing a heel end, wherein the heel ends are removably secured to one another so as to allow one or more front straps to be disposed there between.