Architectural Siding Interlocking Connectors for Panel Retention
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Solution Overview
Problem
Existing plastic siding products lack sufficient retention and alignment capabilities, leading to panels or boards falling or becoming misaligned prior to installation on structures.
Innovation Solution
A siding product configuration featuring a downwardly opened connector with a channel on the front surface and an upwardly opened connector with a projection on the rear surface, allowing for interlocking and temporary support to prevent misalignment and falling during installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plastic siding panels are used without enhanced interlocking features, then the manufacturing process remains simple and cost-effective, but the panels lack sufficient retention and alignment capabilities causing them to fall or become misaligned during installation
Solution Approach 1:
The connector system is divided into two separate components: a downwardly opened connector with a channel formed in the front surface of the first panel, and an upwardly opened connector with a projection extending from the rear surface of the second panel. This segmentation allows each connector to be independently designed and manufactured, while working together to provide reliable retention and alignment during installation.
Solution Approach 2:
The projection of the upwardly opened connector is designed to fit within the channel of the downwardly opened connector, creating a nested interlocking relationship. The projection has dimensions that allow it to be received by the channel, with the channel being wider and taller than the projection to accommodate it while maintaining alignment and retention.
2Reliability
If panels are designed with interlocking connectors, then alignment and retention during installation are improved, but the installation process becomes more time-consuming due to precise alignment requirements
Solution Approach 1:
The downwardly opened connector with its channel is pre-formed on the front surface of the first panel during manufacturing, and the upwardly opened connector with its projection is pre-formed on the rear surface of the second panel. This preliminary action ensures that when panels are brought together during installation, the connectors are already positioned and sized to facilitate quick alignment and engagement, reducing installation time while maintaining reliability.
3Ease of operation
If the channel and projection dimensions are made larger to improve alignment tolerance, then ease of installation is improved, but the structural integrity and retention capability are reduced
Solution Approach 1:
The connector design implements local quality by making the channel wider and taller than the projection in specific regions to provide alignment tolerance and ease of installation, while maintaining a snug fit in other regions to ensure retention strength. The channel dimensions are optimized locally: wider than the projection width to accommodate alignment variations, but not excessively wide to maintain structural integrity. Similarly, the channel height is greater than the projection height to allow vertical alignment tolerance while maintaining sufficient engagement depth for strong retention.
Data Source
AI summary
A siding product has a downwardly opened connector near an upper portion of a frontal face. There is a channel below the downwardly opened connector. The siding product also has an upwardly opened connector near a lower portion of a rear face. There is a projection on the upwardly opened connector that interlocks or connects with the channel when the two connectors are connected together. The protrusion on one siding product and the channel on another siding product cooperate to prevent the top siding product from falling or distorting its shape prior to installation of the top siding piece on the structure.