Barrier Post Base-Mounted Winding Device Stability

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Solution Overview

Problem

Existing self-retractable barrier systems for fencing and traffic control are limited by their design-related top-heaviness, instability, and requirement for special adapter elements, which impairs their stability and makes them unsuitable for diverse applications, especially outdoors where they are exposed to wind and prone to dirt and weather damage.

Innovation Solution

The flexible barrier storage and winding device is integrated into the lower end or outside of the base body of the barrier and safety post, lowering the center of gravity and enhancing stability, allowing for easy retrofitting of conventional posts and providing a modular system for flexible barrier deployment at different heights and directions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If self-retractable barriers are attached to posts using adapters or placed on top, then the barrier can be installed on existing posts, but the posts become top-heavy and unstable

Engineering Contradiction:
Improvecompatibility with existing postsVSAvoidpost stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

Instead of placing the winding device on top of the post or requiring special adapters, the invention inverts the arrangement by integrating the winding device into the base of the post. This inversion resolves the stability issue by positioning heavy components at the bottom rather than top, while still achieving compatibility with existing posts through universal base designs.

Inventive Principle:
Principle #13The other way round (Inversion)

Solution Approach 2:

The invention transitions from vertical placement (on top of posts) to horizontal/embedded placement (in the base of posts). This dimensional change in component arrangement fundamentally improves stability by lowering the center of gravity, while the base design accommodates various post types through adaptable mounting interfaces.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of manufacture

If winding devices are placed on top of posts, then installation is simplified, but the devices expose a large target area to wind and reduce stability

Engineering Contradiction:
Improveinstallation simplicityVSAvoidwind exposure
Core Design Contradiction:
Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The invention inverts the conventional placement from top-mounted to base-mounted winding devices. This not only reduces wind exposure by positioning the drum lower where it presents a smaller target area, but also simplifies installation through universal base designs that accommodate various post types without requiring complex mounting procedures.

Inventive Principle:
Principle #13The other way round (Inversion)

3Adaptability or versatility

If self-retractable barriers use top-mounted winding devices, then the barrier function is achieved, but the center of gravity is raised and stability is compromised

Engineering Contradiction:
Improvebarrier functionalityVSAvoidcenter of gravity position
Core Design Contradiction:
Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The invention inverts the weight distribution by placing the winding device and its associated mass at the base of the post rather than on top. This inversion maintains full barrier functionality while dramatically improving stability through lower center of gravity positioning, creating a more robust and wind-resistant installation.

Inventive Principle:
Principle #13The other way round (Inversion)

4Ease of operation

If winding devices are exposed on the post, then access and operation is easier, but protection against dirt and weather damage is reduced

Engineering Contradiction:
ImproveaccessibilityVSAvoidservice life
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The invention applies nesting by placing the winding device inside a protective housing that is integrated into the post base. This nested arrangement shields the mechanical components from dirt, moisture, and weather damage, extending service life, while the housing includes access openings that maintain operational accessibility.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The protective housing functions as a rigid shell enclosure that protects the winding device from environmental damage. The housing design includes sealed openings with protective covers that maintain IP ratings while allowing operational access, balancing protection with usability.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentEP1783278B1Barrier and securing post
Publication Date: 2008.11.26 ROFLEXS GMBH & CO KG
  • EP1783278B1 patent drawingFigure 1
  • EP1783278B1 patent drawingFigure 2
  • EP1783278B1 patent drawingFigure 3

AI summary

The barrier and protection post has storage (34) for the flexible barriers (35) which are arranged in or at lower end of the base body (31) of the barrier and protection post. The base body has means for guiding the flexible barrier means from its lower side to its open ends.