Rabbit Fence Panels with Tool-Free Anchor-Rod Alignment

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Solution Overview

Problem

Traditional garden enclosures using chicken wire or plastic mesh are inflexible, require tools for installation, and lack aesthetic appeal, while also suffering from misalignment and spacing issues between fence panels and anchor rods.

Innovation Solution

A pre-assembled fencing system with metal anchor rods and O-rings, 90-degree elbow couplers, and stainless-steel zip ties ensures correct spacing and alignment of panels without tools, featuring a swing gate for easy access and tool-free installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional chicken wire or plastic mesh is used with posts, then an enclosure can be produced, but the system is inflexible and requires tools for installation

Engineering Contradiction:
Improveinstallation easeVSAvoidsystem flexibility
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The fence system is divided into modular panels that can be independently handled and installed. Each panel is a self-contained unit with integrated anchor rods and mesh material, allowing workers to install them as discrete segments rather than dealing with a complex continuous structure. This segmentation enables tool-free installation while maintaining system flexibility.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The anchor rods are merged with the panel frame structure, forming an integrated assembly where the rods are positioned within recesses of the frame. This combination eliminates the need for separate installation steps for rods and panels, allowing the entire unit to be installed as one component without requiring tools.

Inventive Principle:
Principle #5Merging (Combining)

2Manufacturing precision

If traditional fence panels are used, then an enclosure can be formed, but misalignment and spacing issues occur between panels and anchor rods

Engineering Contradiction:
Improvepanel alignmentVSAvoidinstallation complexity
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The recesses in the panel frame act as intermediaries that precisely receive and position the anchor rods. These recesses serve as built-in alignment features that ensure correct spacing and prevent misalignment between panels and rods during installation, eliminating the need for complex alignment procedures.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The anchor rods are pre-positioned within the recesses of the panel frame during manufacturing. This preliminary positioning ensures that when the panel is installed, the rods are already in the correct location and orientation, preventing alignment issues without requiring complex installation adjustments.

Inventive Principle:
Principle #10Preliminary action

3Ease of operation

If a simple gate structure is used, then ease of access is improved, but the gate cannot be easily opened or closed without tools

Engineering Contradiction:
Improvegate accessibilityVSAvoidgate mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The gate is designed with a swing mechanism that allows it to move dynamically between open and closed positions. The gate panel can be easily swung open on the hinge and closed by engaging the latch mechanism, providing tool-free operation while maintaining security. This dynamic design enables easy access without requiring complex tools or procedures.

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 provides a flexible, tool-free installation process with correct spacing and alignment, enhancing aesthetic appeal and ease of access to vegetation.

Implementation Method 1

The O-ring friction will keep the metal anchor rod 1 from falling out of the vertical part of the panel frame 3

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

A mesh material 4 is stretched in the panel frame and held by a series of stainless-steel zip ties 5

Methodology Applied
Scientific EffectMechanical Fastener: Mechanical Fastener

Data Source

PatentUS12416179B2Rabbit fence panel system
Publication Date: 2025.09.16 GRUNEBERG JEAN-MARC EDOUARD ALBERT
  • US12416179B2 patent drawing

AI summary

A fencing system provides correct spacing between each fence panel and prevents misalignment between the metal anchor rods and the vertical posts of the panel frame. Panels can be installed without tools, and allow vertical lift-up and removal of the panels without tools from the metal anchor rods where there is no room between the vegetation and the fence. The panel can be reinstalled without tools by inserting the vertical post of the panel frame over the metal anchor rod, and ensures correct spacing between each panel and prevents misalignment between the metal anchor rod and the vertical post of the panel frame.