Composite Midsole Plate Layout for Golf Shoe Flex and Stability
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Solution Overview
Problem
Conventional golf shoes often sacrifice flexibility for stability and traction, leading to a rigid platform that does not allow for the necessary foot movements during golf swings and walking, causing instability and discomfort.
Innovation Solution
A golf shoe design featuring a midsole composed of two materials with different hardness levels, reinforced with a fiber-reinforced composite plate, and an outsole with criss-crossing traction tracks providing stability and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the midsole is made of a single rigid material to provide stability, then stability is improved, but flexibility deteriorates
Solution Approach 1:
The midsole is divided into multiple layers with different material properties - a firmer lower layer for stability and a softer upper layer for flexibility. This segmentation allows each layer to perform its specific function independently, resolving the contradiction between stability and flexibility.
Solution Approach 2:
Different regions of the midsole are assigned different material characteristics. The lower portion uses firmer material for stability support, while the upper portion uses softer material for flexibility and comfort. This local differentiation allows the single midsole structure to simultaneously provide both stability and flexibility.
2Ease of operation
If the midsole uses softer material to improve flexibility, then flexibility is improved, but stability deteriorates
Solution Approach 1:
The midsole is segmented into functional layers where the lower firmer layer provides stability and the upper softer layer provides flexibility. This segmentation allows both properties to coexist without compromising either function.
Solution Approach 2:
The midsole combines multiple materials with different mechanical properties - firmer material at the bottom for stability and softer material at the top for flexibility. This composite construction enables the midsole to deliver both stability and flexibility simultaneously.
3Stability of the object's composition
If a composite plate is added to the midsole to enhance stability, then stability is improved, but device complexity increases
Solution Approach 1:
The composite plate is merged with the midsole layers, integrating the stability-enhancing element directly into the existing structure rather than adding it as a separate component. This merging approach minimizes additional complexity while achieving the stability benefit.
Data Source
AI summary
Golf shoes having improved constructions are provided. The golf shoes include upper, midsole, and outsole sections. The upper may be made of a soft, breathable leather material. The midsole includes an upper region formed from a first material such as a foamed ethylene vinyl acetate (EVA); and a lower region formed from a second material such as a foamed ethylene vinyl acetate (EVA), wherein the materials have different hardness levels. A fiber-reinforced composite plate such as, for example, a carbon fiber plate is disposed in the midsole. The outsole contains different traction members arranged in a precise geometric structure that helps provide improved stability and traction.