Inelastic Exercise Device With Frictional Anchor
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Solution Overview
Problem
Resistance exercise devices with elastic bands are inconsistent and limited in their usefulness due to varying user sizes and strengths, while inelastic strap devices are restrictive and only suitable for a limited range of exercises.
Innovation Solution
An exercise device with an inelastic elongated member supported by an anchor that allows for a limited range of longitudinal motion, featuring grips and a frictional support mechanism to adjust length and provide resistance, enabling a wide range of exercises for various users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If elastic bands are used for resistance exercise, then the device can provide resistance force, but the resistance becomes inconsistent and increases with displacement
Solution Approach 1:
The patent changes the physical parameter of the resistance element from elastic (spring-like) to inelastic (string-like), fundamentally altering how resistance is generated. This eliminates the nonlinear force-displacement relationship of elastic bands while maintaining the ability to provide consistent resistance throughout the range of motion
2Reliability
If inelastic straps are used for resistance exercise, then the resistance becomes consistent, but the device is limited to a restricted number of exercises
Solution Approach 1:
The patent introduces dynamic adjustability to the inelastic strap system through multiple anchor points and adjustable attachment mechanisms. This allows the device to adapt to different exercise types, user sizes, and resistance requirements while maintaining the consistency benefits of inelastic material
Solution Approach 2:
The patent designs the resistance device with universal applicability through adjustable length, multiple anchor positions, and configurable attachment points. This enables a single device to perform numerous different exercises and accommodate various user needs, transforming a specialized tool into a multi-functional exercise system
3Adaptability or versatility
If elastic bands are used, then the device can accommodate different users, but the resistance characteristics depend on band length and elasticity variations
Solution Approach 1:
The patent switches from elastic material properties to inelastic material properties, eliminating the manufacturing variability inherent in elastic bands. Inelastic straps provide predictable, consistent behavior that is not dependent on material elasticity variations, while adjustability compensates for different user requirements
4Force
If elastic bands are used, then the device can provide resistance, but the bands tend to snap back when released
Solution Approach 1:
The patent changes the fundamental mechanical property of the resistance element from elastic to inelastic, eliminating the snap-back effect. Inelastic material does not store and release elastic energy, preventing the dangerous rebound motion while maintaining continuous resistance during exercise
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 device provides consistent resistance and versatility, allowing for a complete workout by adjusting length and limiting motion to accommodate different users and exercises, enhancing usability and safety.
Implementation Method 1
The exercise device includes an inelastic elongated member having grips, an anchor attachable to the structure and having a frictional support for the inelastic elongated member
Data Source
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AI summary
An exercise device having many advantageous features is described, including the ability to provide a combination of grips to the user, and the ability to easily mount the device to a wall. The exercise device includes a mechanism that permits a limited range of longitudinally motion for an elongated member having grips. The mechanism permits a user to balance while exercising, and provides support resulting from excessive motion of the exercise device.