Cable Railing Tensioning Device with Loom Members
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Solution Overview
Problem
Existing cable railing systems face challenges in achieving uniform tension across multiple strands, leading to potential slippage or failure under stress, such as from impacts or climbing, and require complex installation processes due to weaving or kinking of cables.
Innovation Solution
A railing system utilizing a tensioning device with loom members that secure and evenly tension a continuous cable by threading it through two loom members, allowing for greater tension application without slippage and simplifying installation by looping rather than weaving, with adjustable anchors and universal loom member design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cables are tensioned in existing railing systems, then cable stability is improved, but non-uniform tension distribution causes slippage and potential failure
Solution Approach 1:
The patent introduces a tensioning device with a drum and uniform spacing mechanism that acts as an intermediary between the cable strands and the anchoring points. This intermediary ensures that each strand receives equal tension force through controlled winding, eliminating the non-uniform tension distribution that occurs in conventional systems where cables are independently tensioned.
Solution Approach 2:
The tensioning device divides the continuous cable into multiple evenly spaced strands using a loom member with uniformly distributed openings. This segmentation ensures that each strand is tensioned equally through the drum mechanism, preventing the slippage and failure modes that occur when tension is unevenly distributed across strands.
2Area of stationary object
If complex weaving or kinking methods are used to install cables, then cable coverage is improved, but installation complexity increases
Solution Approach 1:
Instead of weaving or kinking the cable to achieve coverage, the patent inverts the approach by using a loom member with multiple openings through which a single continuous cable is threaded in a simple back-and-forth pattern. This inversion eliminates the complex weaving process while achieving the same cable coverage and aesthetic appearance.
Solution Approach 2:
The loom member serves multiple functions: it organizes the cable strands, maintains uniform spacing, guides the cable through the railing structure, and distributes tension evenly. This multi-functional component simplifies the overall installation process by replacing multiple complex operations with a single versatile element.
3Strength
If higher tension is applied to cables, then durability under stress is improved, but risk of slippage or failure increases without proper tension distribution
Solution Approach 1:
The tensioning device with its drum and uniform spacing mechanism acts as an intermediary that distributes high tension forces evenly across all cable strands. This prevents any single strand from bearing excessive localized stress that could cause slippage or failure, while still achieving the high overall tension levels needed for durability under stress such as impacts or climbing.
Data Source
AI summary
A railing system is provided. The railing system can include a panel coupled to a post or wall with a tensioning device. The panel can include one continuous strand of cable threaded through, back and forth, two loom members. The loom members can be designed or configured to organize the cable so that the distance between each strand does not exceed spacing requirements in the building codes for railing balusters.