Hybrid Skate Boot Upper with Rigid Quarters
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Solution Overview
Problem
Existing skate boot designs struggle to balance ankle support and flexibility, often resulting in either inadequate support or complex, expensive manufacturing processes.
Innovation Solution
A skate boot design featuring a boot upper made from a combination of materials, where the quarters are more rigid than the rest of the upper, providing structural support and protection while allowing for flexible ankle movement, achieved through integrally molding boot portions and attaching more rigid quarters using stitching, adhesive, or lamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If skate boots are made more rigid to provide ankle support, then support and protection are improved, but flexibility for ankle movement deteriorates
Solution Approach 1:
The skate boot is constructed with different materials having different rigidity properties in different regions. The quarters are made from a first material providing rigidity and support, while the vamp, tongue, and heel counter are made from a second material providing flexibility. This local differentiation of material properties allows the boot to provide ankle support where needed while maintaining flexibility for natural ankle movement.
Solution Approach 2:
The skate boot combines two different materials with complementary properties: a rigid first material for the quarters and a flexible second material for other portions. This composite construction integrates the advantages of both rigid and flexible materials, achieving both ankle support and flexibility simultaneously.
2Reliability
If skate boots use complex configurations to balance flexibility and support, then performance is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The boot upper is divided into distinct functional segments: rigid quarters for support and flexible portions (vamp, tongue, heel counter) for movement. This segmentation allows each part to be optimized for its specific function while simplifying the overall construction approach compared to attempting to create a uniform boot with both properties.
Solution Approach 2:
Different material properties are applied to different regions of the boot based on functional requirements. The rigid first material is used specifically where structural support is needed (quarters), while the flexible second material is used where movement is required (vamp, tongue, heel counter), creating a simplified design that achieves complex performance goals.
Data Source
AI summary
A method of making a skate boot upper, including integrally molding a boot portion from a first material, the boot portion including at least an instep portion and at least part of a tendon guard, manufacturing two quarters of a second material more rigid than the first material, and assembling the upper by attaching edges of the quarters to the boot portion with the quarter overlapping the boot portion only along said edges. Also, a method of making a skate boot upper, including manufacturing a boot portion from a first material, the boot portion including at least an instep portion and at least part of a tendon guard, manufacturing two quarters of a second material more rigid than the first material, and assembling the upper by attaching edges of the quarters to the boot portion through stitching, adhesive or lamination.