Palm-Centered Modular Weight Units for Uninterrupted Aerobic Exercise

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Solution Overview

Problem

Conventional dumbbells and adjustable dumbbells are cumbersome and impractical for prolonged aerobic exercises, requiring users to stop and adjust weights, and their shape and design can interfere with exercise form and safety, while existing tracking devices fail to optimize workout intensity and muscle group monitoring during such activities.

Innovation Solution

Modular, palm-centered weight units with interlocking mechanisms and integrated sensors that allow easy adjustment of weight intensity during exercise, coupled with wearable devices for real-time tracking and data analysis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If conventional dumbbells are used, then weight resistance is provided, but the design interferes with exercise form and safety

Engineering Contradiction:

Improveweight resistanceVSAvoidinterference with exercise form and safety

Core Design Contradiction:

ForceVSObject-affected harmful factors

Solution Approach 1:

The dumbbell is divided into modular components: a grip portion and separate weight portions that can be attached or detached. This segmentation allows the weight to be positioned optimally for safety and form while maintaining resistance benefits.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The weight portions are positioned laterally at the ends of the grip rather than extending forward, changing the spatial dimension of weight distribution. This prevents interference with forward motion exercises and improves safety.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If adjustable dumbbells are used, then weight can be changed, but users must stop exercise to adjust weights

Engineering Contradiction:

Improveweight adjustment capabilityVSAvoidexercise interruption

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The dumbbell consists of a grip portion and separate weight portions that can be independently attached or detached during exercise, enabling quick weight adjustments without stopping the workout routine.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The interlocking mechanism allows for dynamic adjustment of weight configurations during exercise, transitioning from static fixed-weight dumbbells to dynamically adjustable modular units.

Inventive Principle:

Principle #15Dynamics

3Force

If traditional dumbbell shapes are used, then weight resistance is provided, but they can contact body or equipment during exercise

Engineering Contradiction:

Improveweight resistanceVSAvoidcontact with body or equipment

Core Design Contradiction:

ForceVSObject-affected harmful factors

Solution Approach 1:

Weight portions are positioned laterally at the ends of the grip rather than extending forward, changing the spatial arrangement to prevent contact with the body or exercise equipment during movement.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The grip portion has a specific shape and size optimized for hand comfort and control, while weight portions are positioned at lateral ends, creating different functional zones that prevent harmful contact.

Inventive Principle:

Principle #3Local quality

4Adaptability or versatility

If modular weight units are used, then weight adjustment is enabled, but device complexity increases

Engineering Contradiction:

Improveweight adjustment capabilityVSAvoidinterlocking mechanism complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The dumbbell is segmented into standardized grip and weight portions with simple interlocking interfaces, allowing modular assembly while maintaining overall system simplicity through repetition of basic components.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250318785A1Ergonomic held weight units, related computing device applications and method of use

Publication Date: 2025.10.16 MALCOLM CHRISTIAN

AI summary

Handheld weight units of light weight manufactured as a solid unit, a shell unit with core insert combinations or modular units with interlocking ends. Shell units with core inserts and modular interlocking units allow for the changing of held weight by inserting or removing inserts or by locking or unlocking of modular weight unit sets creating varying held weight. The weight units are primarily used with upper body exercises during aerobic exercises in the home, outdoors, or in a gym setting such as walking or running to vary the intensity of workout during use.