Modular Railing Mounting Profile With Rotating T-Nut Locking

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Solution Overview

Problem

Existing balcony railing systems are complex and require cumbersome attachment methods, such as nuts and bolts, which complicate installation and maintenance.

Innovation Solution

A railing system comprising a component with modular railing elements and a mounting profile, utilizing T-nuts and T-slots for simple and secure attachment, allowing for easy installation and removal by positive locking mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional nuts and bolts are used to attach railing modules to the component, then the attachment is secure and stable, but the installation and maintenance become complex and cumbersome

Engineering Contradiction:
Improveattachment stabilityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

A mounting profile with T-slots serves as an intermediary component between the railing modules and the structural component. The T-nuts engage with the T-slots to provide secure attachment while simplifying the installation process through a standardized interface that eliminates the need for traditional complex bolting operations

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The railing system is divided into modular railing modules that can be independently attached and detached. Each module interfaces with the mounting profile through standardized T-slots, allowing for simplified assembly and maintenance while maintaining overall structural integrity

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If modular railing elements are used, then customization and maintenance become easy, but the attachment mechanism becomes more complex

Engineering Contradiction:
Improvecustomization easeVSAvoidattachment mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The mounting profile with T-slots serves multiple functions: it provides standardized attachment points for modular railing elements, enables easy customization of railing configurations, and simplifies maintenance through standardized interfaces. This universal attachment mechanism works across different module types and positions

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

3Productivity

If T-nuts and T-slots are used for attachment, then installation becomes simple and quick, but the structural integrity may be compromised

Engineering Contradiction:
Improveinstallation speedVSAvoidstructural integrity
Core Design Contradiction:
ProductivityVSStrength

Solution Approach 1:

The mounting profile acts as a mediator that distributes loads across multiple T-slot engagement points, maintaining structural integrity while enabling simple installation. The T-nuts engage deeply with the T-slots to provide secure mechanical connection that preserves strength despite simplified attachment procedure

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP3951113B1Railingsystem
Publication Date: 2026.02.25 CROSO INT
  • EP3951113B1 patent drawingFigure 1
  • EP3951113B1 patent drawingFigure 2~3
  • EP3951113B1 patent drawingFigure 4

AI summary

The invention relates to a railing module (100) comprising at least a first T-nut (107), a first profile (101; 102) and stabilizing means (109) arranged on the first profile (101; 102), wherein the first profile (101; 102) has a first T-slot (103; 104), wherein the first T-nut (107) can be inserted into the first T-slot (103; 104) in a first orientation, characterized in that the first T-nut (107) can be arranged in a form-fitting manner in the first T-slot (103; 104) by a rotation within the first T-slot (103; 104) from the first orientation to a second orientation, or that the first T-nut (107) is designed in a profile shape and can be inserted into the first T-slot (103; 104).