Multimodal Fitness Bar With Adjustable Resistance Assembly

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Solution Overview

Problem

Existing fitness equipment, such as fitness bars and resistance bands, are limited in their versatility and often have a bulky form factor that makes them inconvenient for storage and transport.

Innovation Solution

A multimodal fitness bar with a resistance assembly that allows for adjustable weight and a compact furled configuration, enabling a variety of exercises and stretches with a single device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fitness bar includes a resistance assembly, then exercise versatility is improved, but device complexity increases

Engineering Contradiction:

Improveexercise versatilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The resistance assembly is designed to provide multiple resistance levels and exercise modes through a single integrated structure. The assembly includes a resistance member with multiple attachment points and a tensioning mechanism that enables various exercise configurations (rows, pulldowns, leg curls, etc.) without requiring separate devices for each exercise type.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The resistance assembly is configured to nest within or alongside the bar assembly when not in use. The resistance member can be stored in a compact position, and the entire resistance assembly can be integrated into the bar structure, reducing the overall footprint when the resistance function is not being utilized.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Adaptability or versatility

If a fitness bar includes a resistance assembly, then exercise versatility is improved, but storage space requirements increase

Engineering Contradiction:

Improveexercise versatilityVSAvoidstorage space

Core Design Contradiction:

Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

Inventive Principle:

Principle #7Nested doll (Nesting)

Solution Approach 2:

The resistance assembly utilizes vertical or radial space rather than horizontal expansion. The resistance member can be stored in a coiled or folded configuration that minimizes the volume occupied, allowing the device to maintain a compact form factor while still providing full resistance exercise functionality when deployed.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Adaptability or versatility

If the resistance assembly is made adjustable, then adaptability is improved, but device complexity increases

Engineering Contradiction:

Improveresistance adjustabilityVSAvoiddevice complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The resistance assembly includes adjustable components that allow users to modify resistance levels and exercise configurations dynamically during use. The adjustment mechanisms are designed to be simple and intuitive, enabling users to change resistance settings without complex procedures or multiple discrete components.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250332470A1Multimodal fitness bar

Publication Date: 2025.10.30 CASTLE FIT CORP

AI summary

A multimodal fitness bar with a bar assembly and resistance assembly is disclosed. Exemplary implementations may further include a hanging member, a weighting assembly, a toggle assembly, a furling member, and/or other components. The resistance assembly may include a flexible fabric sheet with an opening configured to receive a user's foot and the bar assembly may include handles configured to be gripped by a user.