Composite Deck Gate Kit with Aluminum Side Rails

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Solution Overview

Problem

Building custom deck gates that are strong, durable, and aesthetically matching composite deck railings is challenging due to the need for materials that balance strength with ornamental appearance, often requiring non-matching materials that degrade the railing's appearance.

Innovation Solution

A gate kit utilizing composite rails with adjustable cross braces and mounts that securely integrate with existing deck railing profiles, allowing for the creation of a gate that matches the deck railing in both material and appearance, using aluminum side rails and self-tapping screws for easy installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If traditional wood or aluminum materials are used for gate construction, then strength and durability are improved, but the ability to match composite deck railing appearance is worsened

Engineering Contradiction:
Improvegate strengthVSAvoidappearance matching capability
Core Design Contradiction:
StrengthVSAdaptability or versatility

Solution Approach 1:

The patent changes the material parameter from traditional wood or aluminum to composite lumber that matches the deck railing. The composite material is engineered to provide both the necessary structural strength and the aesthetic appearance matching, resolving the contradiction between strength and appearance compatibility.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses composite lumber made from wood fiber and plastic binders to construct the gate. This composite material combines the durability and strength needed for gate construction with the ability to match the appearance of composite deck railings, simultaneously addressing both requirements.

Inventive Principle:
Principle #40Composite materials

2Reliability

If custom gates are built from raw materials to ensure strength, then durability is improved, but the complexity and time required for installation is worsened

Engineering Contradiction:
Improvegate durabilityVSAvoidinstallation complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The gate is divided into pre-manufactured segments including side rails with attached mounts and cross braces. These segmented components are designed to be easily assembled on-site, reducing installation complexity while maintaining the durability achieved through proper engineering of each segment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounts are pre-attached to the side rails during manufacturing, and the gate components are pre-assembled to the extent possible. This preliminary action eliminates the need for complex on-site fabrication and reduces installation time while ensuring the durability requirements are met through factory-quality construction.

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If composite materials are used to match deck railing appearance, then aesthetic compatibility is improved, but the versatility for strong gate construction is worsened

Engineering Contradiction:
Improveappearance matchingVSAvoidgate construction strength
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The patent employs composite lumber with engineered properties that provide both the aesthetic appearance matching of deck railings and the structural strength required for gate construction. The composite material's controlled composition allows it to meet both appearance and strength requirements simultaneously.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The composite gate components are designed with varying thicknesses and structural configurations in different locations. Critical load-bearing areas have enhanced structural properties while other areas maintain the appearance-matching characteristics, allowing the gate to achieve both appearance compatibility and construction strength.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS9458667B2Gate for composite railing
Publication Date: 2016.10.04 BUGH ROGER E
  • US9458667B2 patent drawing
  • US9458667B2 patent drawing
  • US9458667B2 patent drawing

AI summary

A gate for a deck railing is made with composite rails that match the profile and height of the composite rails of the deck railing where the gate is being used. The gate includes a pair of spaced side rails that securely support mounts that fit within the ends of the top and bottom composite rails. In some configurations, a cross brace is used from the top of the side rail with the hinges to the bottom of the other side rail. The gate is assembled from a gate kit that allows the user to provide lengths of the composite deck railings to be used as the top and bottom rails in the gate at locations that match the deck railing in order to provide a strong, durable deck gate that blends in with the deck railing.