Motorized Power Rack Attachment for Loaded Barbell Height Adjustment

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing power rack systems require users to manually remove weights and plates from a barbell to adjust its height, leading to safety risks, reduced efficiency, and accuracy issues during workouts.

Innovation Solution

A power rack attachment system featuring a hand crank, gearbox with multiple gears connected to a lead screw, and a guide housing with a vertically translating nut and guide rod, allowing for vertical translation of a j-cup without removing weights from the barbell.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual barbell height adjustment is used, then device complexity is reduced, but safety and ease of operation deteriorate due to weight removal requirements

Engineering Contradiction:

Improvebarbell height adjustmentVSAvoidsafety

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces the manual mechanical adjustment system with an automated motorized system. The motor drives a lead screw mechanism that automatically adjusts the barbell height without requiring users to manually remove and reload weights, thereby improving safety while maintaining operational simplicity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-service operation where the motorized mechanism automatically performs the height adjustment function. The user simply operates a control interface, and the system autonomously adjusts the barbell position without requiring manual intervention to remove weights or perform complex manual operations.

Inventive Principle:

Principle #25Self-service

2Productivity

If manual barbell height adjustment is used, then device complexity is reduced, but productivity deteriorates due to time-consuming weight removal and reloading

Engineering Contradiction:

Improveworkout efficiencyVSAvoidtime for height adjustment

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The motorized lead screw mechanism replaces the time-consuming manual process of removing and reloading weights. The automated system rapidly adjusts barbell height by rotating the lead screw to move the attachment point, significantly reducing the time required for height changes and improving workout efficiency.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system prepares the barbell for the next height position in advance through automated adjustment. While the user is performing exercises, the system can pre-position the barbell at the desired height, eliminating waiting time and keeping the workout flow continuous without manual intervention.

Inventive Principle:

Principle #10Preliminary action

3Measurement precision

If manual barbell height adjustment is used, then device complexity is reduced, but measurement precision deteriorates due to difficulty in tracking weight positions

Engineering Contradiction:

Improvebarbell height accuracyVSAvoidweight tracking accuracy

Core Design Contradiction:

Measurement precisionVSLoss of information

Solution Approach 1:

The system incorporates sensors that detect the position of the barbell and provide feedback to the control system. This feedback mechanism ensures precise height measurement and allows the system to accurately track and remember weight positions, preventing loss of information about the barbell configuration.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The automated motorized system with integrated sensors replaces the manual estimation method. The motor controller precisely controls the lead screw rotation to achieve exact height positions, and the sensor system continuously monitors and records the actual position, ensuring measurement precision and accurate weight tracking.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system enables safe, efficient, and accurate height adjustments of a loaded barbell within a power rack, reducing user effort and minimizing the risk of accidents or errors during weight loading.

Implementation Method 1

a lead screw; a guide housing connected to the gearbox, the guide housing comprising the lead screw, a vertically translating nut

Methodology Applied

Scientific EffectLead screw mechanism: Screw

Implementation Method 2

a gearbox coupled to the hand crank, the gearbox comprising a plurality of gears connected to a lead screw

Methodology Applied

Scientific EffectGear mechanism: Gear

Data Source

PatentUS12220610B2Modular power rack attachment for facilitating loaded barbell height adjustment

Publication Date: 2025.02.11 BARMOBIL LLC

AI summary

A power rack attachment system and associated method are provided. An example of the power rack attachment system includes a hand crank and a gearbox coupled to the hand crank, the gearbox comprising a plurality of gears connected to a lead screw, wherein the plurality of gears causes the lead screw to rotate in a vertical translation based on a radial motion of the plurality of gears. The power rack attachment system includes a guide housing connected to the gearbox, the guide housing comprising the lead screw, a vertically translating nut, and a guide rod, wherein the lead screw is connected to the vertically translating nut, such that rotation of said lead screw leads to vertical translation of said vertically translating nut. The power rack attachment includes a j-cup connected to the vertically translating nut, wherein the vertical translation of the vertically translating nut causes vertical translation of said j-cup.