Swivel Rail Flagpole Clamp to Prevent Flag Wrapping

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Solution Overview

Problem

Conventional rail mount flag mounting systems are unstable, easily damaged, and prone to flag wrapping due to wind resistance, requiring improved stability, ease of installation, and prevention of flag tangling.

Innovation Solution

A flag-mounting device with a solid steel flagpole integrated with a clamshell-type clamp, featuring swivel bearings to allow 360-degree rotation and adjustable couplers, along with a secure fastening mechanism to prevent flag wrapping and tangling, and optional attachments like cameras or ornaments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If conventional separate tube and clamp parts are used, then the device complexity is reduced, but the reliability and strength are worsened due to unstable structures and fragile materials

Engineering Contradiction:
Improvestructure complexityVSAvoidstructural stability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent integrates the tube and clamp parts into a single-piece molded structure. The clamp body includes integrated features such as the flagpole receiving chamber, flag receiving slot, and mounting surfaces all formed as one unified component, eliminating the need for separate tube and clamp parts while improving structural stability and reducing assembly complexity

Inventive Principle:
Principle #5Merging (Combining)

2Ease of manufacture

If conventional fragile materials are used, then the manufacturing cost is reduced, but the strength and durability are worsened due to easy bending and breaking under wind resistance

Engineering Contradiction:
Improvemanufacturing costVSAvoidresistance to wind load
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The patent employs a composite construction combining a rigid frame structure with flexible netting material. The frame provides structural strength and stability to resist wind loads, while the netting material allows wind to pass through, reducing pressure on the structure. This composite approach maintains durability while being cost-effective

Inventive Principle:
Principle #40Composite materials

3Device complexity

If conventional fixed mount design is used, then the device complexity is reduced, but the adaptability is worsened due to inability to accommodate different flag sizes

Engineering Contradiction:
Improvemount design complexityVSAvoidflag size accommodation
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent incorporates adjustable mounting mechanisms including movable clamps and extendable arms that can be positioned at various heights and angles. The flagpole height and angle are adjustable, and the clamp positioning can be modified to accommodate different flag sizes and mounting requirements, providing dynamic adaptability without excessive complexity

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If conventional rigid mount structure is used, then the manufacturing precision is improved, but the ease of operation is worsened due to difficult installation on existing rails

Engineering Contradiction:
Improvemounting precisionVSAvoidinstallation ease
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The patent divides the mounting system into modular segments: a clamp component for attaching to existing rails, an extendable arm section, and a flagpole assembly. This segmentation allows the mount to be installed on various rail configurations while maintaining precise alignment and positioning capabilities through the modular connection points

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS12586489B2Rail mount flagpole
Publication Date: 2026.03.24 THOMPSON KENNETH LEROY
  • US12586489B2 patent drawing
  • US12586489B2 patent drawing
  • US12586489B2 patent drawing

AI summary

The present invention provides a flag-mounting device to be fastened onto a rail for securely mounting and holding a flag. The device includes a flagpole and a mounting apparatus that are made of strong material. The device is durable and easy to be installed onto a rail. The device can also be used on a pipe, a tube, or any objects with straight parallel sides and a circular or oval cross section. The present invention also provides a method for mounting a flag onto a rail.