Dumbbell Handle Assembly Triangular Reinforcement
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Solution Overview
Problem
Conventional dumbbells are prone to handle damage when dropped from high heights due to the impact of falling weights, which can lead to structural failure and damage.
Innovation Solution
A high-strength handle assembly with a cylindrical gripping handle and round disc-shaped collars connected by parallel handle reinforcing rods in a triangular configuration, along with a V-shaped coupler system for weight plates, to distribute and absorb impact forces, and a dumbbell storage tray for safe storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a conventional dumbbell handle is used, then the structure is simple and easy to manufacture, but the handle is prone to damage when dropped from high heights due to impact forces
Solution Approach 1:
The handle assembly is divided into multiple components: a central gripping handle, multiple reinforcing rods extending from each end, and disc-shaped collars. This segmentation allows each component to perform a specific function - the gripping handle provides user contact, the reinforcing rods distribute impact forces, and the collars protect the ends - while collectively achieving high strength without excessive overall complexity
Solution Approach 2:
The patent transitions from a simple linear handle structure to a three-dimensional configuration by adding multiple reinforcing rods that extend radially from each end of the gripping handle in parallel alignment. This dimensional expansion creates a spatial distribution of structural elements that effectively dissipate impact forces from multiple directions, particularly when the dumbbell is dropped
2Weight of moving object
If heavy weight plates are used, then the weight training effectiveness is improved, but the risk of handle damage from dropping increases
Solution Approach 1:
The handle assembly is designed with preemptive protective features - multiple reinforcing rods and a robust triangular configuration - that are in place before any drop occurs. These elements are pre-positioned to automatically distribute and absorb impact forces when damage might occur, preventing the handle from failing under the increased weight loads
3Reliability
If a robust handle assembly is designed to prevent damage, then the durability is improved, but the manufacturing complexity and cost increase
Solution Approach 1:
By segmenting the handle assembly into standardized components (gripping handle, reinforcing rods, collars) that can be manufactured separately and then assembled, the patent achieves high durability while maintaining manufacturing feasibility. Each component can be produced using standard machining processes and then joined together, avoiding the need for complex monolithic construction
Data Source
AI summary
Disclosed is a dumbbell weight training device having a high strength handle assembly adapted to resist damage in the event that the dumbbell is dropped from high above the ground. The handle assembly includes first and opposite disc-shaped collars to which first and second stacks of weight plates are attached. A lifting handle to which a lifting three is applied and a pair of handle reinforcing rods extend in parallel alignment with e another between the first and opposite disc-shaped collars of the handle assembly. The lifting handle and the pair of handle reinforcing rods are arranged in a triangular configuration between the disc-shaped collars. When it is not in use, the dumbbell can be laid on and retained within a dumbbell storage tray having rests upon which the first and second stacks of weight plates and the first and opposite disc-shaped collars are seated.