Multi Cable Transit Cover With One-Sided Snap Securing

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Solution Overview

Problem

Existing multi cable transit frame covers are cumbersome to install, require two-sided fastening, are not adjustable, and often use costly materials, making them inefficient and hazardous during construction.

Innovation Solution

A cover for multi cable transit frames that can be operated from one side, is adjustable, and uses a flexible securing element with sliding grooves and feet to secure to the frame, allowing partial or full coverage, and is made from lightweight and economical materials.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional covers are used for multi cable transit frames, then the frame can be covered during construction, but the installation becomes time-consuming and hazardous as workers must climb to fasten the cover from the opposite side

Engineering Contradiction:
Improvesafety during installationVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The cover is designed to be fastened from the same side it is inserted, reversing the traditional approach where covers must be secured from the opposite side. This allows workers to install the cover safely from ground level without climbing, while still achieving secure fastening through the frame structure.

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

Solution Approach 2:

The cover structure enables self-fastening through its own structural elements. The vertical element acts as both the insertion path and the fastening mechanism, eliminating the need for separate fastening operations from the opposite side and reducing installation complexity.

Inventive Principle:
Principle #25Self-service

2Reliability

If fixed covers are used for multi cable transit frames, then the frame is protected, but the entire cover must be removed to access the frame for cable mounting

Engineering Contradiction:
Improveprotection during constructionVSAvoidaccessibility to frame
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The cover is divided into a removable lid portion and a base portion that remains attached to the frame. This segmentation allows the lid to be easily removed for cable mounting access while the base remains in place to maintain frame protection and structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cover transitions from a static fixed structure to a dynamic system where the lid can be selectively removed and reattached. This dynamic design provides flexibility to access the frame when needed while maintaining protection during construction phases.

Inventive Principle:
Principle #15Dynamics

3Strength

If heavy duty materials are used for covers, then the cover provides robust protection, but the weight creates unnecessary burden on the user during installation

Engineering Contradiction:
Improveprotection capabilityVSAvoidcover weight
Core Design Contradiction:
StrengthVSWeight of moving object

Solution Approach 1:

The material properties of the cover are optimized to provide sufficient structural strength and protection capability while reducing the overall weight. This parameter optimization allows the cover to maintain its protective function without creating excessive burden during installation and handling.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP4183011B1Cover for multi cable transit frame
Publication Date: 2026.02.25 SELLBRAND JOAKIM
  • EP4183011B1 patent drawingFigure 1a~1b
  • EP4183011B1 patent drawingFigure 2a~2b
  • EP4183011B1 patent drawingFigure 3a~3b

AI summary

A cover (6) for a multi cable transit frame, wherein the frame comprises four walls defining a cable space and a first end portion (4), the cover (6) comprising a planar lid (7) having a bottom surface (10) arranged to, in its operative position, face the first end portion (4) of the multi cable transit frame to cover at least part of the first end portion (4), and a securing element (8) insertable from the first end portion (4) into the cable space of said multi cable transit frame to detachably secure the lid (7) to the multi cable transit frame, characterized in that the securing element (8) comprises at least two legs (14) extending from the bottom surface (10) of the lid (7) and being flexible towards each other, and wherein each leg (14) comprises a foot (17) arranged at an end of each leg (14) being distal in relation to the lid (7), and arranged to, in its operative position, engage the multi cable transit frame to secure the cover (6) to the multi cable transit frame.