Shoe Accessory System With Twist-Lock Connector

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Solution Overview

Problem

The shoe industry faces challenges in providing affordable, easily modifiable, and environmentally friendly children's shoes that can keep pace with rapid foot growth and changing fashion needs, as existing solutions often result in permanent modifications or are difficult to undo, especially for children.

Innovation Solution

A shoe accessory system featuring standardized connection mechanisms, including a male accessory mount with a protrusion and outwardly protruding lip, and a female accessory mount with inwardly extending flanges, allowing accessories to be easily attached and detached by a two-step process of pressing down and twisting, ensuring secure and stable attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If permanent modification methods (dying, coloring, stenciling) are used to change shoe appearance, then the shoe can be customized to match different outfits, but the modification cannot be undone and becomes difficult to reverse especially for children

Engineering Contradiction:
Improveability to match different outfitsVSAvoiddifficulty to undo modification
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The invention divides the shoe customization system into separate modular components: a base shoe and detachable accessory elements (laces, straps, buckles, decorative pieces). Each accessory can be independently attached or removed from the shoe body through connection mechanisms such as loops, holes, snap fasteners, or magnetic elements. This segmentation allows children to change shoe appearance to match different outfits while easily removing and replacing accessories without permanent modification.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If children buy multiple pairs and styles of shoes to compliment different outfits and occasions, then they can have appropriate footwear for each occasion, but it becomes prohibitively expensive and wasteful

Engineering Contradiction:
Improveability to compliment different outfits and occasionsVSAvoidwaste and expense
Core Design Contradiction:
Adaptability or versatilityVSLoss of substance

Solution Approach 1:

The invention creates a universal shoe platform that can accommodate multiple accessory types and styles. A single shoe base can be customized with different accessories (colorful laces for play, formal straps for events, seasonal decorative pieces) to suit various occasions and outfits. This multi-functionality eliminates the need for children to own multiple specialized shoe pairs, reducing both expense and waste while maintaining versatility for different occasions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If standardized connection mechanisms are used for shoe accessories, then accessories can be easily attached and detached, but the connection mechanism must be secure enough to prevent loss during normal wear and activity

Engineering Contradiction:
Improveease of attachment and detachmentVSAvoidsecurity of attachment
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The invention employs dynamic connection mechanisms that adapt their security characteristics based on the state of attachment. During normal wear, the connection (through friction fit, snap engagement, or magnetic attraction) maintains secure attachment to prevent loss during activity. When detachment is desired, a simple twisting or pulling motion overcomes the connection force, allowing easy removal. This dynamic behavior provides both security during use and ease of operation when changing accessories.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS10966488B2Shoe accessory system
Publication Date: 2021.04.06 THRIVE INTERNATIONAL INC
  • US10966488B2 patent drawing
  • US10966488B2 patent drawing
  • US10966488B2 patent drawing

AI summary

A shoe accessory system and methods can include: an accessory connector having a male accessory mount and a female accessory mount: the male accessory mount including a base, a protrusion mounted above the base, an outwardly protruding lip extending from the protrusion, the outwardly protruding lip having a slope extending down toward an abutment, and the female accessory mount having inwardly extending flanges, the inwardly extending flanges extend in toward a center of the female accessory mount, the inwardly extending flanges spaced apart allowing the protrusion to fit therebetween; a shoe affixed to the male accessory mount; and an accessory affixable to the female accessory mount for allowing the accessory to be placed over the male accessory mount, pressed down, and twisted to lock the accessory onto the shoe.