Resistance Band Assembly with Nested Elastic Member for Adjustable Tension

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Solution Overview

Problem

Current exercise equipment, particularly in gyms and outdoor settings, often requires users to switch between different resistance levels for various exercises, which is time-consuming and frustrating, and may lead to incomplete workouts due to the complexity of weight-based machines and limited intensity options in outdoor settings.

Innovation Solution

A fitness station with a detachable resistance band assembly that allows for adjustable resistance levels by engaging with multiple attachment points, enabling users to easily change the resistance force during exercises without needing to swap bands frequently.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If users switch between different resistance bands for various exercises, then the resistance can be adjusted to match exercise requirements, but the time consumed and user frustration increase significantly

Engineering Contradiction:

Improveresistance adjustmentVSAvoidtime to swap bands

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent combines multiple resistance bands of different resistances into a single integrated assembly with a common handle. Users can select different resistance levels by engaging different attachment points on the station, eliminating the need to physically swap entire bands. This merging approach maintains resistance adaptability while dramatically reducing the time and effort required to change resistance levels.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The resistance band assembly is designed as a universal interface that can engage with multiple attachment points on the fitness station. A single assembly can provide multiple resistance levels by connecting to different anchors, making it multi-functional and eliminating the need for separate bands for different exercises or resistance levels.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If weight-based machines are used to provide resistance, then the intensity can be increased as users get fitter, but the complexity of operation increases and inexperienced users may injure themselves

Engineering Contradiction:

Improveworkout intensityVSAvoidmachine complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent employs simple, lightweight resistance bands instead of complex weight-based machines. The resistance bands are inexpensive, simple elastic members that can be easily replaced if needed. This approach provides adjustable intensity through selection of different band resistances or attachment points while maintaining extremely low operational complexity and eliminating safety risks associated with heavy weights.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The system adjusts resistance by changing parameters such as the selection of resistance band tension levels and attachment point positions on the station. Rather than adding complex mechanical systems, the invention varies the effective resistance parameter through simple geometric and elastic property changes, maintaining both adaptability and simplicity.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If multiple resistance bands are stored separately, then each band can be optimized for specific exercises, but the device complexity and space requirements increase

Engineering Contradiction:

Improveexercise-specific optimizationVSAvoidsystem organization

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent stores multiple resistance bands in a nested or integrated manner within a single assembly structure. The bands are organized together with their attachment mechanisms in one compact unit, eliminating the need for separate storage locations for each band. This nested organization maintains exercise-specific optimization while reducing overall system complexity and space requirements.

Inventive Principle:

Principle #7Nested doll (Nesting)

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

Enables users to perform a comprehensive workout with adjustable resistance levels, enhancing the intensity of exercises as needed, promoting full-body engagement and reducing the risk of injury by allowing for precise resistance adjustments.

Implementation Method 1

at least a first resilient member for providing the resistive force provided within the housing

Methodology Applied

Scientific EffectElasticity: Elasticity

Data Source

PatentEP4122554A1Strength training and stretching system and resistance band assembly for use therewith

Publication Date: 2023.01.25 KAYEZEN LLC

Figure 1~2
Figure 2A
Figure 2B

AI summary

The present invention relates to a resilient member (44) for a resistance band assembly which is used to apply resistance during the performance of an exercise, said resilient member (44) comprising: an elongate and resilient shaft (221) having a first end (218) and a second end (220) longitudinally opposite the first end (218); a first enlarged area (222) provided adjacent the first end (218); a second enlarged area (224) provided adjacent the second end; and a limiting element (300) provided within the shaft (221) and operable to limit a degree to which the shaft stretches.