Golf Shoe Sole Sidewall Reinforcement for Stability and Flexibility
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Solution Overview
Problem
Golf shoes often compromise between stability and flexibility, with rigid midsoles providing support but reducing cushioning, and flexible midsoles offering comfort at the expense of rigidity, leading to instability during golf swings.
Innovation Solution
A golf shoe with a U-shaped reinforcement structure embedded in the sole assembly, comprising lateral and medial side wings and a bridge, made of high-strength materials like carbon composite, to enhance midsole rigidity and forefoot flexibility, providing a stable platform while allowing for bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rigid midsole is used to provide stability during golf swings, then torsional stability is improved, but forefoot flexibility and cushioning are reduced
Solution Approach 1:
The patent applies local quality by implementing a U-shaped reinforcement structure with lateral and medial side wings that are strategically positioned to provide rigidity only where needed (in the midfoot and rearfoot areas for stability), while leaving the forefoot area flexible for natural bending and cushioning. This localized reinforcement resolves the contradiction by making different parts of the midsole have different mechanical properties.
Solution Approach 2:
The reinforcement structure is segmented into distinct components: lateral side wings, medial side wings, and a bridge section connecting them. This segmentation allows each component to perform its specific function - the side wings provide lateral stability while the bridge connects them, collectively achieving torsional stability without compromising overall forefoot flexibility.
2Strength
If a rigid midsole is used to provide support, then structural integrity is improved, but cushioning and comfort are reduced
Solution Approach 1:
The U-shaped reinforcement structure provides structural integrity through its rigid lateral and medial side wings that resist deformation during golf swings, while the strategic positioning and design of these wings ensure they do not extend into the forefoot cushioning zone, thereby maintaining comfort and shock absorption properties.
3Stability of the object's composition
If reinforcement material is added to the midsole to enhance stability, then torsional rigidity is improved, but device complexity is increased
Solution Approach 1:
The reinforcement structure is divided into modular segments (lateral wings, medial wings, and bridge) that can be independently manufactured and then assembled into the midsole. This segmentation simplifies the manufacturing process and reduces overall structural complexity while achieving the desired torsional rigidity through the coordinated action of these segments.
Solution Approach 2:
The patent utilizes composite materials for the reinforcement structure, combining materials with different properties to achieve both rigidity and flexibility in appropriate areas. This composite approach enhances torsional rigidity while maintaining a relatively simple overall structure that is easier to manufacture than monolithic rigid designs.
Data Source
AI summary
A golf shoe with a sole assembly having a sidewall reinforcement structure is provided. The reinforcement structure may be formed from a carbon composite or other reinforcing material. The reinforcement structure is molded into the sole assembly for reinforcing softer midsole sidewalls, and for providing increased stability and maintaining forefoot flexibility. The structure is generally U-shaped with a medial and lateral side wing and a bridge connecting the wings. The medial wing may be angled rearward to support the rearfoot, and the lateral wing may be angled forward to support the midfoot. Thus, the reinforcement structure may hold and support the medial and lateral sides of the golfer's foot as they shift their weight while making a golf shot. At the same time, the shoe has good flexibility so the golfer is able to walk and play the course and engage in other golf activities comfortably.