Interchangeable Roof Equipment Attachment Members with Adjustable Interfaces

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Solution Overview

Problem

Conventional solutions for attaching roof equipment to buildings lack versatility and require multiple bespoke components, leading to inefficiencies in production, increased risk of incorrect component application, and reduced safety.

Innovation Solution

An attachment arrangement comprising interchangeable first and second members with identical interfaces, allowing for adjustable attachment to both the roof and roof equipment devices, reducing the need for multiple components and enhancing adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional bespoke components are used for attaching roof equipment, then the attachment can be customized for specific purposes, but the number of different components increases and versatility decreases

Engineering Contradiction:
Improveversatility of attachment arrangementVSAvoidnumber of different components
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing attachment members with identical interface configurations that can be interchangeably used for different roof equipment types. The first and second members have matching interfaces allowing them to be attached to various roof equipment devices (ladders, snow rails, guardrails) and to the roof structure itself, enabling one component design to serve multiple functions and attachment scenarios.

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

Solution Approach 2:

The attachment arrangement is segmented into separate first and second members that can be independently manufactured and then assembled. This segmentation allows the system to be built from standardized modular components rather than requiring custom-integrated bespoke components for each application, reducing overall system complexity while maintaining adaptability.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple bespoke components are used for different roof equipment, then specific attachment needs can be met, but production efficiency decreases and stock requirements increase

Engineering Contradiction:
Improveadaptability to different roof equipmentVSAvoidproduction efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

By creating universal attachment members with standardized identical interfaces, the patent enables a single component design to attach to multiple types of roof equipment. This universality allows production facilities to manufacture one standardized component type rather than producing multiple bespoke variants, significantly improving production efficiency and reducing inventory stock requirements while maintaining the ability to adapt to different equipment needs.

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

3Reliability

If conventional attachment components are used, then installation can proceed, but the risk of applying wrong components increases and safety is reduced

Engineering Contradiction:
Improvesafety of attachmentVSAvoidrisk of incorrect component application
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent employs asymmetry in the interface design where the first and second members have specific complementary interface configurations that only fit together in the correct orientation and pairing. This asymmetric design provides built-in mechanical guidance and compatibility checking, making it physically impossible to incorrectly assemble components, thereby eliminating the risk of wrong component application while maintaining ease of installation.

Inventive Principle:
Principle #4Asymmetry

4Productivity

If interchangeable members with identical interfaces are used, then versatility and production efficiency improve, but the attachment configuration must be precisely standardized

Engineering Contradiction:
Improveproduction efficiencyVSAvoidinterface configuration standardization
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent establishes universal interface configurations for the first and second members that balance standardization requirements with manufacturing feasibility. By defining identical, simple geometric interfaces with clear alignment features, the patent achieves the necessary manufacturing precision through straightforward standardized designs that are easy to produce consistently across manufacturing batches, thereby supporting high production efficiency without excessive precision requirements.

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

Data Source

PatentEP4600441A1An attachment arrangement for the attachment of one or more roof equipment devices
Publication Date: 2025.08.13 CWL PATENT AB
  • EP4600441A1 patent drawingFigure 1
  • EP4600441A1 patent drawingFigure 2
  • EP4600441A1 patent drawingFigure 3

AI summary

An attachment arrangement (100) for the attachment of one or more roof equipment devices (202, 204) to a roof (302). The attachment arrangement (100) comprises a first member (102a) and a second member (102b). The first member (102a) comprises a first interface (104a) for the attachment of the first member (102a) to one of the roof (302) and a first roof equipment device (202). The second member (102b) comprises a second interface (104b) for the attachment of the second member (102b) to one of the roof (302) and a first roof equipment device (202). The first member (102a) comprises a third interface (106a) for an adjustable attachment of the first member (102a) to the second member (102b). The second member (102b) comprises a fourth interface (106b) for an adjustable attachment of the second member (102b) to the first member (102a). The first member (102a) and the second member (102b) together are configured to attach the first roof equipment device (202) to the roof (302). The configuration of the first interface (104a) is identical to the configuration of the second interface (104b). The configuration of the third interface (106a) is identical to the configuration of the fourth interface (106b). The first member (102a) and the second member (102b) are interchangeable with each other.