Pivot Bracket Adapter for Dumbbell Barbell Stability

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Solution Overview

Problem

Existing weight training equipment, such as free weights and weight machines, often lead to injuries and imbalances due to the need for multiple expensive tools and the inability of dumbbells to pivot during exercises, causing instability and strain on joints.

Innovation Solution

A two-piece adapter assembly with a sleeve and pivotally secured J-shaped bracket allows dumbbells to be securely mounted on a barbell, enabling them to pivot and remain in place during exercises, reducing the need for multiple equipment types and preventing dislodgment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If dumbbells are securely mounted on a barbell using a fixed bracket, then stability is improved, but the inability to pivot during exercises causes strain on joints and potential injury

Engineering Contradiction:

ImprovestabilityVSAvoidstrain on joints

Core Design Contradiction:

Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The bracket is designed to be pivotally mounted on the sleeve rather than fixed, allowing it to rotate and pivot freely during exercises. This dynamic capability enables the bracket to adapt to movement patterns, reducing strain on joints while maintaining secure attachment during the exercise motion.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If multiple pieces of equipment are purchased for comprehensive training, then training effectiveness is improved, but cost increases significantly

Engineering Contradiction:

Improvetraining effectivenessVSAvoidcost

Core Design Contradiction:

Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The adapter assembly enables a single barbell to function as both a traditional barbell for barbell exercises and as a holder for dumbbells. By attaching the adapter with the bracket and sleeve to the barbell ends, users can perform both barbell and dumbbell exercises with one piece of equipment, eliminating the need to purchase separate dumbbells and reducing overall equipment cost.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Device complexity

If a simple sleeve and bracket assembly is used, then device complexity is reduced, but the bracket may become dislodged during use

Engineering Contradiction:

Improvedevice complexityVSAvoidreliability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The adapter assembly is divided into separate functional components: a sleeve that attaches to the barbell, a pivotally mounted bracket, and a dumbbell. This segmentation allows each component to be optimized independently - the sleeve provides secure attachment to the barbell while the pivotally mounted bracket maintains simplicity while enabling safe dumbbell attachment and removal during use.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS9126079B2Adapter for exercise bar

Publication Date: 2015.09.08 JORDAN EDWARD M

AI summary

A dumbbell mounting assembly for releasably mounting a dumbbell on a bar is provided. The assembly comprises a sleeve including a first end and a second end, wherein the first end has a cap, and a second end is configured for receiving the bar. The assembly also includes a generally J-shaped bracket pivotally mounted to the cap and adapted to secure the dumbbell in the bracket. A method for releasably mounting the dumbbell on a bar using the assembly is also provided.