Barbell Spacer for Ground Clearance and Plate Access

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Solution Overview

Problem

Current weightlifting equipment requires users to lift the barbell to add or remove weights, making the process cumbersome and time-consuming, especially with heavy plates.

Innovation Solution

A spacer system comprising discs with central holes and nested depressions that allows weight plates to be added or removed without lifting the barbell, providing ground clearance and accommodating different plate sizes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a user lifts the barbell to add or remove weight plates, then the plates can be aligned with the barbell for attachment or removal, but the operation becomes cumbersome and time-consuming, especially with heavy plates

Engineering Contradiction:

Improveease of adding or removing weight platesVSAvoidtime required to change weights

Core Design Contradiction:

Ease of operationVSLoss of time

Solution Approach 1:

The spacer acts as an intermediary device between the barbell and the ground, providing ground clearance that enables plates to be slid onto or off the barbell without lifting it. The spacer's central hole receives the barbell end, and its outer perimeter provides the necessary clearance for plate manipulation, eliminating the need for users to lift heavy barbells during weight changes.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If the barbell is kept close to the ground for stability, then the setup is compact and stable, but weight plates cannot be added or removed without lifting the barbell

Engineering Contradiction:

Improveability to add or remove plates without liftingVSAvoiddistance from ground to barbell

Core Design Contradiction:

Ease of operationVSLength of stationary object

Solution Approach 1:

The spacer segments the barbell assembly into distinct components: the barbell, the spacer, and the ground. By inserting the spacer between the barbell and the ground, it provides the necessary clearance for plate manipulation while keeping the barbell stationary and stable throughout the weight changing process.

Inventive Principle:

Principle #1Segmentation

3Adaptability or versatility

If standard weight plates are used, then compatibility with existing barbells is maintained, but the plates require significant lifting space that is not available when the barbell is positioned close to the ground

Engineering Contradiction:

Improvecompatibility with standard weight platesVSAvoidvertical clearance for plate placement

Core Design Contradiction:

Adaptability or versatilityVSLength of stationary object

Solution Approach 1:

The spacer is designed with universal compatibility to work with standard weight plates while providing the specific function of ground clearance. The outer perimeter of the spacer is dimensioned to accommodate standard plate sizes, and the central hole receives standard barbells, making the system universally applicable to existing weightlifting equipment.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS10118065B2Spacer for barbells and weighted plates

Publication Date: 2018.11.06 HOLLINGSHEAD DAVID

AI summary

A spacer that is preferably made from high density polyethylene and has a diameter that is larger than a standard plate for a barbell. The spacer has a central hole dimensioned to accept a standard barbell and, when placed onto a barbell, will space the barbell apart from the ground a sufficient distance that a user can easily add or more plates from the barbell without having the lift the barbell. The spacer provides a more efficient way to add or remove weights from a barbell that is on the ground (e.g., when a user is performing deadlifts, snatches, and power cleans, etc.). The spacer may be placed on a barbell similarly to a regular weight plate, preferably before any other weight is added.