Glass Railing Assembly With Inner-Side Slab Adjustment and Safety Flap

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Solution Overview

Problem

Existing railing assemblies with large slabs, such as those made of glass, face challenges in adjusting and locking the slabs due to their significant dimensions and weight, requiring complex and costly systems that are visually invasive and difficult to install.

Innovation Solution

A railing assembly with a support device that includes a support device base, inner and outer wings, a closing member, an adjustment group, and a safety device, allowing for the slab to be adjusted and locked from the inner side, minimizing visual intrusion and simplifying installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If large slabs are used to achieve aesthetic continuity, then visual effect is improved, but adjustment and locking become difficult

Engineering Contradiction:

Improveaesthetic continuityVSAvoidadjustment and locking

Core Design Contradiction:

ShapeVSEase of operation

Solution Approach 1:

The support device is divided into multiple functional components: adjustment group with independent adjustment bodies for each slab, locking group with locking bodies, and safety device with flap. This segmentation allows independent adjustment and locking of each slab despite using large dimensions for aesthetic continuity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention introduces intermediate components such as adjustment bodies that act as mediators between the operator and the large slabs. These intermediaries transmit and amplify the operator's input forces, making it feasible to adjust and lock heavy, large-dimension slabs easily.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If complex support and locking systems are used to handle large slabs, then reliability is improved, but device complexity increases

Engineering Contradiction:

Improveslab support and lockingVSAvoidsupport and locking system

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The adjustment group and locking group are merged into a single integrated support device. The adjustment bodies and locking bodies work together in a coordinated manner, reducing the number of separate components and simplifying the overall system while maintaining reliability for handling large slabs.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The support device is designed with multi-functional components that can perform both adjustment and locking functions. The flap serves multiple purposes: guiding slab insertion, limiting insertion depth, and providing safety. This multi-functionality reduces the number of separate components needed.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Ease of operation

If adjustment and locking are performed from the outer side, then operational control is improved, but installation complexity increases

Engineering Contradiction:

Improveslab adjustment controlVSAvoidinstallation procedure

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

Instead of accessing the slab from the outer side, the invention inverts the approach by providing adjustment and locking mechanisms accessible from the inner side. The adjustment bodies and locking bodies are positioned on the inner face of the slab, allowing operators to perform operations from the convenient inner side location.

Inventive Principle:

Principle #13The other way round (Inversion)

4Shape

If visually minimalistic support systems are used, then aesthetic effect is improved, but manufacturing complexity increases

Engineering Contradiction:

Improvevisual minimalismVSAvoidsupport device fabrication

Core Design Contradiction:

ShapeVSEase of manufacture

Solution Approach 1:

The adjustment bodies and locking bodies are nested within the support device structure. The flap is integrated into the support device, with its base portion forming part of the support device body. This nesting allows the complex functional components to be housed within a compact, visually minimalistic external structure.

Inventive Principle:

Principle #7Nested doll (Nesting)

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

Enables simple and intuitive installation and adjustment of slabs from the inner side, reducing the need for external access, providing a visually minimalistic and reliable assembly with aesthetic continuity, while preventing oscillation and ingress of materials.

Implementation Method 1

a flap (6) elastically deformable by action of the slab (2) inserted in the outer seat (202)

Methodology Applied

Scientific EffectElastic deformation: Elasticity

Data Source

PatentEP4678845A1Railing assembly comprising an elastically deformable flap and a safety device

Publication Date: 2026.01.14 METALGLAS BONOMI

Figure 1~1a
Figure 1b
Figure 2

AI summary

The invention relates to a railing assembly (1) comprising a support device (3) comprising a slab seat (20), and a mainly planar slab (2) defining an inner seat (201) and an outer seat (202) in the slab seat (20). The railing assembly (1) comprises an adjustment group (4) in the inner seat (201) controllable by a user to perform an adjustment action of the position of the slab (2). The railing assembly (1) comprises a flap (6) elastically deformable by engaging the slab (2) in the outer seat (202), and a safety body (70) movable by the user to a resting position, in which it allows elastic deformation of the flap (6), and to a working position, in which it limits or prevents elastic deformation of the flap (6).