Fence Post Aperture Receivers for Tubular Rail Attachment

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Solution Overview

Problem

Existing fence structures lack efficient and versatile methods for attaching elongated tubular members, such as rails to posts, which can affect the stability and ease of assembly of fence systems.

Innovation Solution

The use of apertures formed in the posts to create receivers, allowing for fixed attachment of rails through various methods including welding, adhesive materials, swaging, riveting, screwing, or brazing, enabling flexible connection techniques.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional fence attachment methods are used, then assembly is simple, but stability and structural integrity are insufficient

Engineering Contradiction:
ImprovestabilityVSAvoidease of assembly
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The fence structure is segmented into modular components (posts, rails, panels) that can be independently manufactured and assembled. The attachment system is segmented into receiver elements within apertures and corresponding fastening elements, allowing simplified assembly while maintaining stability through standardized modular connections.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The receiver element is nested within the aperture formed in the post, creating a recessed attachment structure. This nesting provides structural stability by embedding the attachment mechanism within the post itself, while maintaining ease of assembly through a pre-formed recess that guides the fastening process.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Adaptability or versatility

If multiple attachment methods are provided, then versatility is improved, but device complexity increases

Engineering Contradiction:
Improveflexibility of connection techniquesVSAvoidcomplexity of attachment system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The aperture with receiver element serves as a universal attachment interface that can accommodate multiple fastening methods (welding, adhesive materials, swaging, riveting, screwing, brazing). This single structural feature provides multi-functionality, allowing different connection techniques to be applied to the same basic attachment structure without increasing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system allows parameter changes in the attachment method (different fastening techniques, different materials) while maintaining the same basic structural interface (aperture with receiver). This enables versatility through parameter variation rather than structural complexity, as the fundamental attachment geometry remains consistent across different implementation methods.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS9938747B2Method of manufacturing fence with elongated tubular members
Publication Date: 2018.04.10 BEHLEN MFG CO
  • US9938747B2 patent drawing
  • US9938747B2 patent drawing
  • US9938747B2 patent drawing

AI summary

A fence includes first elongated tubular members, each one of which is configured to extend vertically from ends of the first elongated tubular members positionable proximate to a support surface (e.g., the ground). The fence also includes second elongated tubular members extending between the first elongated tubular members, each of which is configured to extend parallel to the support surface. The fence further includes receivers defined by apertures formed in the first elongated tubular members, each of which extends outwardly from respective first elongated tubular members so that each one of the second elongated tubular members can be fixedly attached to corresponding ones of the first elongated tubular members. In some embodiments, one or more of the first elongated tubular members and/or the second elongated tubular members can have a circular cross-section. The second elongated tubular members can be fixedly attached the first elongated tubular members with and/or without welding.