Fence Grid Mat Assembly via Segmented U-Profile Hooks

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Solution Overview

Problem

Existing fence designs with grid mats require complex assembly processes and specialized profiles for uprights, limiting flexibility in choosing grid mats and posts due to the need for specific receiving slots and latches.

Innovation Solution

The use of U-shaped connection profiles with hanging hooks that engage in upright walls, allowing receiving slots to be relocated into separate profiles, simplifying assembly and eliminating the need for special upright designs, with additional security provided by cavity dowels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If receiving slots and latches are provided on uprights to secure horizontal bars, then grid mats can be attached to posts, but assembly effort increases and special profiles are required

Engineering Contradiction:
Improveassembly effortVSAvoidprofile complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The upright is divided into two functional components: the upright itself and a separate connecting profile. The receiving slots are relocated from the upright to the connecting profile, which is a separate, simpler component. This segmentation allows the upright to maintain its basic structural function while the connecting profile handles the complex slot-and-latch mechanism, reducing overall assembly complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The receiving slots and latches are extracted from the upright structure and placed into a separate connecting profile. This extraction eliminates the need for complex upright profiles with integrated slots, as the connecting profile becomes the dedicated component for securing horizontal bars. The upright simply provides suspension points for the connecting profiles.

Inventive Principle:
Principle #2Taking out (Extraction)

2Adaptability or versatility

If special profiles with receiving slots are used on posts, then horizontal bars can be secured, but flexibility in choosing grid mats and posts is limited

Engineering Contradiction:
Improvechoice flexibilityVSAvoidprofile specialization
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The connecting profile is designed as a universal component that can be used with various upright types and grid mat configurations. By relocating the receiving slots to the connecting profile rather than the upright, the system becomes more adaptable - different uprights can be used as long as they can suspend the standardized connecting profiles, and different grid mats can be accommodated by adjusting the connecting profiles accordingly.

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

Solution Approach 2:

The connecting profile acts as an intermediary component between the upright and the grid mat. This mediator absorbs the specialization requirements, allowing the upright to remain simple and universal while the connecting profile handles the specific requirements of securing horizontal bars. This intermediary layer provides flexibility in choosing both uprights and grid mats independently.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If latches are used to close insertion openings of receiving slots, then horizontal bars are secured, but device complexity increases

Engineering Contradiction:
Improvesecuring reliabilityVSAvoidmechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The latches are extracted from the upright structure and integrated into the separate connecting profile. This allows the securing mechanism to be simplified and standardized in the connecting profile, while the upright remains structurally simple. The latch mechanism becomes part of the modular connecting profile rather than a complex feature of the upright itself.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP4361382A1Fence with grid mats provided between posts
Publication Date: 2024.05.01 WERNER CHARLOTTE
  • EP4361382A1 patent drawingFigure 1
  • EP4361382A1 patent drawingFigure 2
  • EP4361382A1 patent drawingFigure 3

AI summary

A fence is described with mesh panels (2) made of horizontal and vertical bars (3, 4) arranged between posts (1), wherein the horizontal bars (3) are held at their ends in receiving slots (7) extending transversely to the mesh panel (2) and open on one side. To ensure ease of handling, it is proposed that the posts (1) have at least one U-shaped connecting profile (5) in cross-section, of whose two legs (6) adjoining a post wall (10) at least one leg (6) is provided with receiving slots (7) extending from the free longitudinal edge of the leg, and that the legs (6) of the connecting profile (5) carry suspension hooks (8) distributed along the profile length, which engage in suspension slots (9) in the post wall (10).