Band-Guided Roller Foot Plate for Low-Friction Resistance Training
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Solution Overview
Problem
Existing resistance training platforms using elastic bands face issues with friction, wear, and band slippage, which are not adequately addressed by current designs such as rollers or low-friction surfaces like Teflon or UHMWPE.
Innovation Solution
A foot plate with opposed roller assemblies and guard channels to guide elastic bands, using cylindrical or concave rollers mounted on axles, reducing friction and preventing slippage during exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If rollers are used to reduce friction, then friction is reduced, but the rollers are weak and allow bands to slip off
Solution Approach 1:
The roller assembly is segmented into multiple components: the platform body, the roller element, and the guard structure. This segmentation allows each component to perform its specific function - the roller reduces friction while the guard prevents band slippage, resolving the contradiction between friction reduction and band retention.
Solution Approach 2:
The guard acts as an intermediary element between the roller and the elastic band. It mediates the interaction by guiding the band to contact the roller for friction reduction while simultaneously preventing the band from slipping off, thus maintaining both low friction and reliable band retention.
2Object-affected harmful factors
If low-friction surfaces like Teflon are used, then friction is reduced, but they wear quickly
Solution Approach 1:
The patent replaces the low-friction surface coating approach with a mechanical roller system. Instead of relying on Teflon or UHMWPE coatings that wear quickly, the invention uses a roller mechanism that provides low friction through rolling contact while being mechanically durable and replaceable, thus solving the durability problem.
3Object-affected harmful factors
If UHMWPE is used for low friction, then friction is reduced, but wear and jerky lifting occur without frequent silicone oil applications
Solution Approach 1:
The roller assembly is designed to be self-lubricating through its rolling mechanism. The roller itself serves the dual function of reducing friction and maintaining smooth operation without requiring external lubricants like silicone oil. The rolling contact inherently provides smooth operation while the roller's structure prevents wear.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides reduced friction and wear, ensuring smooth and stable resistance training by guiding elastic bands through channels with rollers, enhancing the durability and performance of the training equipment.
Implementation Method 1
a resistance band may encounter friction, e.g., as it rubs against a platform during exercises... with rollers, but these are often weak... Others use low-friction surfaces like, e.g., Teflon... or ultra-high molecular weight polyethylene (UHMWPE), which may be low-friction
Data Source
AI summary
A foot plate for use in resistance training with elastic resistance bands includes a platform with a substantially flat upper side, a lower side, and at least one pair of opposed edges. Each edge in the pair includes a roller assembly having at least one roller to reduce friction during use. The foot plate also includes a plurality of bases that support the platform above the ground and create a space beneath it through which bands can pass freely. Additionally, one or more sets of guards are provided, each set defining a channel configured to guide an elastic band such that it contacts a roller from each of the opposed roller assemblies during an exercise. In some embodiments, the guards include rollers mounted to axles extending from the platform's underside. The roller assemblies may include cylindrical or concave rollers and may be segmented.