Modular Athletic Shoe Sole for Cross-Training and Weightlifting

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Solution Overview

Problem

Athletic shoes currently do not efficiently accommodate the transition between cross-training and weight-training activities, leading to reduced performance and increased risk of injury due to the time and improper switching of shoes.

Innovation Solution

An athletic shoe design that is selectively configurable between a cross-training and a weight-training configuration, featuring a removable sole portion with a wedge-shaped second surface that connects to the first sole portion, allowing quick switching between configurations without removing the shoe from the foot, using engagement members and a strap for secure attachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a person switches between cross-training and weight-training shoes during a workout, then performance and injury risk are improved, but time is lost due to shoe switching

Engineering Contradiction:
Improveperformance and injury riskVSAvoidtime spent switching shoes
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The shoe sole is divided into two separate portions: a first sole portion permanently attached to the shoe upper, and a second sole portion that can be removed and attached as needed. This segmentation allows the user to have different sole configurations (cross-training vs. weight-training) without needing to switch entire shoes, thereby eliminating the time loss while maintaining performance and injury prevention benefits

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The shoe design incorporates a dynamic sole configuration where the second sole portion can be quickly attached or detached based on the activity being performed. This dynamic reconfiguration allows the shoe to adapt to different training requirements (cross-training or weight-training) during the same workout session without requiring the user to take time off to change shoes

Inventive Principle:
Principle #15Dynamics

2Loss of time

If participants rush to switch shoes between activities, then time loss is reduced, but performance decreases and injury risk increases due to improper shoe placement

Engineering Contradiction:
Improvetime spent switching shoesVSAvoidperformance and injury risk
Core Design Contradiction:
Loss of timeVSReliability

Solution Approach 1:

By segmenting the sole into attachable portions with engagement members, the system allows for quick yet proper attachment. The engagement members guide correct placement of the second sole portion onto the first sole portion, ensuring proper configuration even when switching rapidly between activities, thus maintaining performance and safety while reducing time loss

Inventive Principle:
Principle #1Segmentation

3Device complexity

If a single shoe design is used for both cross-training and weight-training, then simplicity is maintained, but performance and support are compromised

Engineering Contradiction:
Improveshoe design simplicityVSAvoidperformance and support
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The shoe maintains relative simplicity by using a modular sole system where the second sole portion can be attached or removed. The engagement members provide secure attachment without complex mechanisms. This segmented approach allows the shoe to deliver specialized performance characteristics for both cross-training and weight-training activities while keeping the overall design straightforward and easy to use

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The shoe upper and first sole portion serve as a universal base that can accommodate both cross-training and weight-training activities. By adding or removing the second sole portion, the same shoe can be adapted for different training types, providing multi-functionality without requiring completely different shoes for each activity

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

Data Source

PatentUS10455888B2Athletic shoe having a cross-training configuration and a weight-training configuration
Publication Date: 2019.10.29 DAVENPORT NATHANIEL DAVID
  • US10455888B2 patent drawing
  • US10455888B2 patent drawing
  • US10455888B2 patent drawing

AI summary

An athletic shoe is selectively configurable between a weight-training configuration and a cross-training configuration. The athletic shoe includes an upper portion configured to receive a foot and a first sole portion connected to the upper portion. The first sole portion has an inner surface and an outer surface opposite the inner surface. The outer surface is configured to contact a training surface when the athletic shoe is in the cross-training configuration. The athletic shoe also includes a second sole portion removably connected to the first sole portion when the athletic shoe is in the weight-training configuration. The second sole portion includes a first surface and a second surface. The first surface is configured to contact the training surface and the second surface is configured to contact the outer surface when the athletic shoe is in the weight-training configuration.