Elastic C-Shape Fence Clip for Secure Snap-Fit Assembly

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Solution Overview

Problem

Existing fence clip solutions for attaching wire mesh fences to posts are either difficult to assemble, lack security, or are not visually appealing.

Innovation Solution

A C-shaped fence clip with a central part and arms that can elastically snap onto a post, combined with a locking element and various mounting bracket designs, providing a secure and aesthetically pleasing attachment mechanism.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a rigid clip body is used that must be guided over a fence post from above, then the attachment is secure, but the assembly becomes difficult

Engineering Contradiction:
Improveattachment securityVSAvoidassembly ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The clip body is designed with elastic arms that can dynamically change their configuration. The arms are made of elastic material allowing them to be deflected outward to facilitate easy placement onto the fence post, then return to their original position to provide secure attachment. This dynamic flexibility resolves the contradiction between ease of assembly and attachment security.

Inventive Principle:
Principle #15Dynamics

2Reliability

If radially protruding flanges are used to connect the clip ends, then the attachment is secure, but the appearance becomes less appealing

Engineering Contradiction:
Improveattachment securityVSAvoidvisual appeal
Core Design Contradiction:
ReliabilityVSShape

Solution Approach 1:

The connection mechanism is nested within the structure of the clip body itself. The arms are connected at their ends through a connection structure that is integrated into the clip body, eliminating the need for external radially protruding flanges. This nested design maintains structural integrity and attachment security while preserving a clean, aesthetically pleasing appearance.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Ease of operation

If a C-shaped clip body with elastic arms is used for easy assembly, then the assembly is easy, but the attachment may be less secure without additional locking

Engineering Contradiction:
Improveassembly easeVSAvoidattachment security
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The elastic arms are pre-configured with connection structures at their ends that automatically engage with corresponding features on the fence post during the assembly process. This preliminary preparation of the connection mechanism ensures that as the arms are deflected outward for easy placement, they automatically establish secure attachment upon contact with the post, resolving the contradiction between ease of assembly and attachment security.

Inventive Principle:
Principle #10Preliminary action

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 solution enables easy assembly, secure attachment, and visual appeal by forming a compact ring around the post with a snap-fit mechanism and various mounting options for fence mesh, ensuring stability and tension.

Implementation Method 1

The clip body is sufficiently elastic that it can be snapped onto a fence post from the side as a clip, for which purpose the arms of the clip body must temporarily elastically move apart up to the post diameter in order to allow the fence post to penetrate the interior of the C-shape

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP2177694B1Fence clamp for fixing a fence mesh to a post
Publication Date: 2017.07.05 GUST ALBERTS GMBH & CO KG
  • EP2177694B1 patent drawingFigure 1a~4
  • EP2177694B1 patent drawingFigure 5~6
  • EP2177694B1 patent drawingFigure 7~8

AI summary

The fence clamp (1000) has a C-shaped clamp body with a central part and two arms, which encompass a fence pillar. A fixing element is fastened to the arms of the clamp body for connecting it around a fence pillar, where a fixing bearing is provided for mounting a fence grill. An independent claim is included for a fence system.