Snap-Fit Stud-to-Track Connectors for Seismic Wall Framing
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Solution Overview
Problem
Traditional construction methods for metal frame walls are labor-intensive and lack cost-efficient and mechanically sound fastening processes for connecting studs to tracks, which are essential for withstanding building movements and seismic events.
Innovation Solution
A framing system with snap-fit connections using a first connection assembly that includes a base with a spring clasp, which temporarily deflects to lock onto a fastener, and a second connection assembly that engages with the first assembly to interconnect studs and tracks, providing secure and efficient interconnections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional manual fastening processes are used to connect studs to tracks, then the structural integrity and reliability of the wall frame is maintained, but the labor cost and installation time increase significantly
Solution Approach 1:
The connector is divided into distinct functional segments: a base portion that attaches to the track, a stem that engages with the fastener, and a lateral movement mechanism that enables snap-fit installation. This segmentation allows each component to perform its specific function efficiently, reducing overall installation complexity and labor requirements while maintaining structural integrity
Solution Approach 2:
The connector incorporates dynamic lateral movement capability that allows it to shift sideways during installation to engage with the fastener, then lock into a fixed position once installed. This dynamic behavior enables simple snap-fit installation without complex tools or procedures, significantly improving installation efficiency while ensuring reliable structural connection
2Adaptability or versatility
If standard dimensions and shape configurations for studs and tracks are used, then the adaptability and ease of manufacture are improved, but the ability to achieve cost-efficient and mechanically sound fastening is limited
Solution Approach 1:
The connector design serves multiple functions within a single component: it provides structural connection between stud and track, enables simplified snap-fit installation, ensures lateral movement restriction, and maintains compatibility with standard fasteners. This multi-functionality allows the system to work with widely available standard components while achieving cost-efficient and mechanically sound fastening
Solution Approach 2:
The connector utilizes controlled lateral movement as a key parameter change during installation. By allowing temporary lateral displacement and then locking into a fixed position, the system transforms the installation process from a complex precision operation to a simple snap-fit action, significantly improving manufacturing and installation efficiency while maintaining component compatibility
3Reliability
If the fastening process restricts lateral movement of studs relative to tracks, then the protection of wall integrity during building movement is improved, but the complexity of the fastening process increases
Solution Approach 1:
The connector is designed with inherent lateral movement capability that allows it to shift sideways during installation to engage with the fastener, then automatically locks into a fixed position. This dynamic design achieves reliable lateral movement restriction for wall integrity protection without requiring complex fastening mechanisms, as the locking action is built into the connector's simple snap-fit geometry
Solution Approach 2:
The connector performs the lateral movement restriction function automatically through its own structural design. Once installed, the connector's geometry itself prevents lateral movement of the stud relative to the track, eliminating the need for additional complex fastening mechanisms or components. The connector serves itself by being both the installation tool and the locking mechanism
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The framing system reduces labor costs and enhances the structural integrity of metal frame walls by providing secure, snap-fit connections that can withstand building movements and seismic events while being cost-effective.
Implementation Method 1
the fastener engages the first and second retention edges and deflects the first and second spring flanges temporarily away from an original configuration, the first and second spring flanges biased to return to the original configuration to lock the first and second retention edges along the fastener
Data Source
AI summary
A framing system includes a first connection assembly that engages with a substrate. The first connection assembly includes a first connector and a track. At least one spring flange defined by the first connector engages with a fastener positioned along the substrate to maintain the first connection assembly in a fixed position relative to the substrate and to interconnect the substrate with the track. The framing system further includes a second connection assembly defining a second connector engaged to a stud. The second connection assembly engages with the first connection assembly to interconnect the stud with the track.