L-Shaped Fence Brace for Corner Post Structural Support

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Solution Overview

Problem

Existing fences, particularly those made of wood, are susceptible to damage from high winds, rain, snow, and other environmental factors, requiring a cost-effective solution for additional structural support without altering the fence's aesthetic appeal or increasing material costs.

Innovation Solution

A fence brace system that provides structural support by attaching to the fence post and rail, using weather-resistant materials like steel, stainless steel, aluminum, or composite materials, allowing for easy installation and aesthetic matching, with features such as cutouts and fastener slots for secure attachment and picket integration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If heavy materials such as steel are used to build stronger fences, then the structural strength is improved, but the cost increases above acceptable levels

Engineering Contradiction:
Improvefence structural strengthVSAvoidfence manufacturing cost
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The patent employs composite construction by combining wood (for aesthetic and basic structural functions) with metal braces (for enhanced structural strength). This allows the fence to achieve the structural integrity of heavy material construction while maintaining the cost-effectiveness and aesthetic appeal of wood, directly resolving the contradiction between strength and manufacturing cost

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

Rather than replacing the entire fence with heavy material, the invention segments the reinforcement function into separate L-shaped metal brace components that are attached to specific critical points (corner posts and rail connections). This localized reinforcement approach provides necessary strength while minimizing material costs compared to full heavy-material construction

Inventive Principle:
Principle #1Segmentation

2Reliability

If existing fences are reinforced with additional structural support, then the reliability against environmental damage is improved, but the device complexity increases

Engineering Contradiction:
Improvefence resistance to environmental damageVSAvoidfence structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The reinforcement system is divided into discrete, standardized L-shaped brace components that attach to specific locations on the fence structure. This segmentation allows for simple, modular installation without requiring complex structural modifications to the existing fence, thereby improving reliability while minimizing added complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The metal braces serve as intermediary elements that connect and reinforce existing fence components (posts and rails) without requiring fundamental changes to the original fence design. These braces act as mediators that enhance structural integrity while maintaining compatibility with the existing simple fence architecture

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11988009B2Fence brace system adapted for use with corner post arrangements
Publication Date: 2024.05.21 CRANDALL FONDA
  • US11988009B2 patent drawing
  • US11988009B2 patent drawing
  • US11988009B2 patent drawing

AI summary

The present invention comprises a brace adapted to secure one or more fence rails to a fence post. The present invention brace may optionally be installed onto an existing fence or on a new fence. The invention includes a fence post brace member adapted to connect to one or more sides of a fence post and a fence rail brace member adapted to connect to two or more sides of a fence rail. The fence post brace member may form a vertical picket fastener slot for use in affixing a picket to the fence post. The fence post brace system may be adapted for use with corner fence post arrangements such as those having a fence rail positioned above and supported by the fence post and those defining a channel for receiving a fence rail.