Shoe Upper Bootie and Decoupled Sole Assembly
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Solution Overview
Problem
Conventional athletic shoes compromise flexibility in the sole while providing necessary support and cushioning, and there is a need for a shoe that balances supportive fit with lightweight and flexible design.
Innovation Solution
The shoe features an upper assembly with an independently movable bootie and a decoupled sole assembly, where the bootie is attached only at the throat portion and the sole is coupled to the upper assembly, allowing for strapping to snugly cinch around the foot, and the sole is designed with a forefoot portion decoupled from the heel to enhance flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If stability features are added to the sole to correct runner's gait and provide medial and lateral support, then stability is improved, but flexibility of the shoe sole is compromised
Solution Approach 1:
The upper assembly is divided into separate components including an exterior layer, an independently movable bootie, and a decoupled sole assembly. The bootie is attached only at the throat portion, allowing it to move independently from both the exterior layer and the sole assembly. This segmentation enables each component to perform its specific function - the bootie provides customized fit and support while the decoupled sole maintains flexibility - without the components interfering with each other's performance
2Reliability
If support and cushioning are added to protect the runner's foot from terrain and shock, then protection is improved, but the shoe becomes heavier and less flexible
Solution Approach 1:
The bootie is designed to be independently movable relative to the exterior layer and sole assembly, allowing it to dynamically adapt and move with the foot during athletic activities. This independent movement capability enables the bootie to provide necessary support and cushioning while maintaining flexibility and avoiding the weight penalty of rigid, fixed support structures
Data Source
AI summary
Shoe constructions having upper assemblies with independent booties and/or decoupled sole assemblies are disclosed herein. A shoe configured in accordance with embodiments of the present technology can include, for example, an upper assembly attached to a sole assembly. The upper assembly can include a throat portion defining an opening configured to receive a foot and a bootie attached the overlay primarily at the throat portion. The bootie can be movable relative to the remaining portion of the upper assembly and the sole assembly. The sole assembly can include a midsole and an outsole that together define a first portion in a forefoot region of the shoe and a second portion in a heel region of the shoe. The first portion and second portions can be decoupled from each other. The midsole can include a stability plate that provides medial and lateral stability to the sole assembly.