Flexible Fence Post Hanger for Damage-Free Heavy Item Support

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Solution Overview

Problem

Existing fence hangers often damage fences or posts and lack aesthetic appeal and versatility, especially when used with picket-style or PVC fences, which are not designed to support heavier items.

Innovation Solution

A protective hanger apparatus with an elongated flexible main body that fits over fence posts, featuring lateral apertures and a U-shaped design with slots for attachments, providing protection and adjustable height options, and can be easily installed and relocated without tools, using materials like nylon or plasticized PVC.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If wire type fence hangers are used to hang items from fences, then hanging functionality is achieved, but aesthetics deteriorate and fence damage risk increases

Engineering Contradiction:
Improvehanging functionalityVSAvoidfence damage and aesthetic degradation
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a fabric-covered hanger body as an intermediary between the fence and the hanging item. This fabric intermediary distributes the load across a wider area, preventing wire-induced damage while maintaining hanging functionality. The fabric also provides aesthetic coverage that improves appearance compared to exposed wire hangers.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The hanger utilizes a flexible fabric body that wraps around the fence post or rail. This flexible film structure conforms to the fence shape, providing protection while enabling hanging. The fabric's flexibility allows it to adapt to different fence types without causing damage, unlike rigid wire structures.

Inventive Principle:
Principle #30Flexible shells and thin films

2Adaptability or versatility

If heavy items are hung from PVC fence panels, then storage functionality is achieved, but fence structural integrity deteriorates

Engineering Contradiction:
Improvestorage capabilityVSAvoidfence structural integrity
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The patent extracts the load-bearing function from the vulnerable PVC fence panels and relocates it to the stronger fence posts. The hanger is designed to wrap around and secure to the posts, which have higher structural capacity, thereby enabling heavy item storage without compromising panel integrity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The hanger is pre-configured with reinforcement elements and attachment mechanisms that are installed on the fence posts before heavy items are hung. This preliminary preparation ensures that the load path is established through structurally sound components, preventing damage when heavy items are subsequently attached.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If permanent fence mounting devices are used, then hanging stability is improved, but installation complexity and relocation difficulty increase

Engineering Contradiction:
Improvehanging stabilityVSAvoidinstallation and relocation ease
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The hanger employs dynamic attachment mechanisms that provide stable hanging during use but allow for easy installation and removal. The fabric construction with integrated fasteners enables the hanger to be securely mounted when needed while maintaining the capability for quick relocation, adapting between stable operation and easy reconfiguration states.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The hanger is designed as a segmented, modular unit with separate attachment components that can be independently adjusted or removed. This segmentation allows the hanger to achieve stable mounting through multiple discrete attachment points while facilitating easy installation and relocation by allowing individual components to be manipulated separately.

Inventive Principle:
Principle #1Segmentation

4Ease of manufacture

If fixed height hangers are used, then manufacturing simplicity is maintained, but adaptability to different fence heights deteriorates

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidheight adjustment capability
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The hanger incorporates adjustable height mechanisms within its fabric construction, allowing the attachment points to be repositioned vertically. This dynamic adjustment capability enables the same hanger design to accommodate various fence heights while maintaining relatively simple manufacturing through standardized fabric cutting patterns with adjustable features.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS7845604B2Protective fence hanger
Publication Date: 2010.12.07 CONNOR JR ROBERT T
  • US7845604B2 patent drawing
  • US7845604B2 patent drawing
  • US7845604B2 patent drawing

AI summary

A protective hanger apparatus for use with fence posts includes an elongated substantially rectangular flexible main body, wherein the main body defines or engages with a top loop having dimensions enabling it to fit over the top of and be supported from a fence post. The main body further includes least two lateral rectangular apertures in this main body having a predetermined height and width such as to be removably engageable with at least one included item hanger.