Adjustable Shoe Fit Evaluator Using Segmented Arms
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Solution Overview
Problem
Existing methods for determining shoe fit are inadequate as they often rely on incomplete foot measurements, such as length alone, and do not accurately account for unique foot features, leading to potential discomfort and foot problems.
Innovation Solution
An adjustable shoe fit evaluator comprising a main body portion, multifunctional arm, cross arm, and indicator component, which allows for precise analysis of shoe fit based on comprehensive foot measurements, including length, width, and depth, providing tactile and scale feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If only foot length is measured, then the measurement process is simple and quick, but the fit assessment is incomplete and inaccurate
Solution Approach 1:
The foot measurement device is segmented into multiple independent measurement components: a main body portion for length measurement, a multifunctional arm for width measurement, and a cross arm with indicator component for depth measurement. Each component can be independently adjusted and positioned to measure different foot dimensions, allowing comprehensive measurement without requiring a completely complex integrated system.
Solution Approach 2:
The multifunctional arm serves multiple purposes: it can measure foot width when positioned laterally, and can also be used to measure depth when repositioned. The indicator component can indicate different measurements depending on its position and orientation. This multi-functionality reduces the need for separate dedicated components for each measurement type, balancing completeness with device simplicity.
2Measurement precision
If basic foot measurements are used, then the selection process is quick, but unique foot features are not captured leading to poor fit
Solution Approach 1:
The device allows all necessary foot measurements (length, width, depth) to be taken simultaneously during a single foot placement, rather than requiring sequential measurements. The adjustable components can be positioned and locked in place before the foot is inserted, so that all dimensions are captured in one action, saving time while maintaining measurement precision.
Solution Approach 2:
The indicator component provides immediate visual feedback for each measurement dimension, allowing the user to quickly read and record length, width, and depth values without waiting for separate measurement processes. This immediate feedback accelerates the measurement process while ensuring accurate capture of unique foot features.
3Measurement precision
If shoe interior scanning is performed, then detailed shoe geometry is obtained, but the interaction with unique foot features cannot be assessed
Solution Approach 1:
The adjustable shoe fit evaluator serves as an intermediary physical model that represents the user's unique foot features (length, width, depth measurements) in a tangible form. Instead of relying solely on digital shoe scans that lack context, the physical evaluator with its adjustable components allows direct comparison between foot measurements and shoe interior geometry, making the interaction assessment simple and intuitive.
Solution Approach 2:
The device creates a simplified physical copy or representation of the foot's critical dimensions using adjustable arms and indicators set to the user's specific measurements. This physical copy can be directly inserted into or compared with the shoe interior, providing an easy visual and tactile assessment of fit without requiring complex digital modeling or interpretation.
4Measurement precision
If comprehensive foot measurements are taken, then accurate fit assessment is possible, but the process becomes time consuming and complex
Solution Approach 1:
The measurement device features dynamically adjustable components that can be quickly repositioned and locked into place. The multifunctional arm and cross arm can be adjusted to match the user's foot dimensions and then secured, allowing the same device to adapt to different users and measurement requirements without requiring complete reconfiguration, thus maintaining productivity while achieving comprehensive measurements.
Data Source
AI summary
Adjustable shoe fit evaluators and methods of using adjustable shoe fit evaluators are disclosed. Adjustable shoe fit evaluators have components that include a main body portion, a multifunctional arm, at least one cross arm, and an indicator component. The main body portion includes at least one longitudinal pathway and at least one cross pathway. The multifunctional arm has a multifunctional arm insertion end that is removably slidably received within at least one of the at least one longitudinal pathway and the at least one cross pathway. The at least one cross arm has a cross arm insertion end that is removably slidably received within the at least one cross pathway. The indicator component is attached to a connector arm that is removably slidably received within the at least one longitudinal pathway at the distal end of the main body portion.