Modular Sliding Attachment Rail for Space-Saving Squat Racks

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Solution Overview

Problem

Existing fitness equipment attachments for squat racks are limited in flexibility, compatibility, and space utilization, requiring cumbersome and time-consuming adjustments, and lack integration with smart devices, affecting user experience and efficiency.

Innovation Solution

A sliding system for a fitness equipment stud featuring a modular design with rollers, connecting plates, and detachable pins, allowing easy installation and adjustment of various attachments, enhancing stability and adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple separate attachments are used for different movements, then each attachment can be optimized for its specific function, but the equipment takes up too much space and requires time-consuming installation and removal

Engineering Contradiction:
Improvefunctional versatilityVSAvoidspace occupation
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent implements a universal attachment system where a single modular attachment can perform multiple different movements and functions. The attachment is designed with adjustable components and interchangeable elements that allow it to adapt to various exercise types, eliminating the need for multiple separate attachments and reducing space requirements while maintaining functional versatility

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple separate attachments are used for different movements, then each attachment can be optimized for its specific function, but the installation and adjustment process becomes cumbersome and time-consuming

Engineering Contradiction:
Improvefunctional versatilityVSAvoidinstallation time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The attachment is divided into modular segments that can be quickly assembled, disassembled, and reconfigured. Each module can be independently adjusted or replaced without affecting the entire attachment system, enabling rapid changes between different exercise functions and significantly reducing the time required for installation and adjustment

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If traditional fixed design is used, then the structure is simple and stable, but it cannot support novel training attachments or smart device integration

Engineering Contradiction:
ImprovecompatibilityVSAvoidstructural complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The attachment system incorporates dynamic and adjustable structural elements that can be reconfigured to accommodate different attachment types and smart device integrations. The structure includes movable components, adjustable mounting points, and flexible connection mechanisms that maintain stability while enabling adaptability to novel training attachments and technological upgrades

Inventive Principle:
Principle #15Dynamics

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 simplifies attachment changes, improves user experience, optimizes space, and supports diverse training options, ensuring stability and safety while facilitating integration with smart devices.

Implementation Method 1

a plurality of rollers spaced apart with gaps formed therebetween, every two of the plurality of rollers arranged in parallel and opposite to each other... and each roller being able to roll or slide on an outer surface of the stud

Methodology Applied
Scientific EffectRolling: Roller

Implementation Method 2

each roller being able to roll or slide on an outer surface of the stud

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP4696385A1Sliding system for fitness equipment post
Publication Date: 2026.02.18 SONG YONGLIANG
  • EP4696385A1 patent drawingFigure 1
  • EP4696385A1 patent drawingFigure 2~3
  • EP4696385A1 patent drawingFigure 4

AI summary

The embodiments of the present invention provide a sliding system for a fitness equipment stud, including a plurality of rollers with gaps formed therebetween and arranged in parallel and opposite to each other; two roller connecting plates being respectively connected to two ends of each roller; and at least one pin being detachably mounted on the roller connecting plates. Therefore, an external engaging attachment can be engaged with the at least one pin to form a structure that is either rotatable or fixed.