Offset Notch Bridging Connector for Torsion-Resistant Stud Bracing

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Solution Overview

Problem

Existing steel stud wall systems face challenges in stabilizing steel studs against lateral movement and torsion, with prior art solutions being labor-intensive, material-intensive, and offering weak connections that cannot accommodate variations in stud spacing.

Innovation Solution

A bridging connector with arced notches and depending flanges that interlock with the central web of the wall stud, providing exceptional torsional rigidity and allowing for a stronger, more efficient connection using fewer fasteners and less material, while accommodating variations in stud spacing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If prior art brackets are used to prevent stud shifting, then lateral movement is restrained, but installation is labor-intensive and connections are weak

Engineering Contradiction:

Improveconnection strengthVSAvoidinstallation ease

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The connector is divided into distinct functional segments: a body portion that interfaces with the bridging member and flange portions that interface with the stud. This segmentation allows each part to be optimized for its specific function while simplifying installation through modular assembly

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The connector design enables self-alignment and self-positioning during installation. The flange portions are configured to automatically engage with the stud web at optimal locations, and the body portion naturally aligns with the bridging member, reducing the need for precise manual positioning and fastener placement

Inventive Principle:

Principle #25Self-service

2Strength

If channel-shaped bridging members are used to restrain studs from twisting, then torque resistance is maximized, but some twisting still occurs and studs can shift parallel to the wall

Engineering Contradiction:

Improvetorque resistanceVSAvoidstabilization reliability

Core Design Contradiction:

StrengthVSReliability

Solution Approach 1:

The connector merges two functions into a single component: it provides both torque resistance (through its interface with the bridging member) and lateral stabilization (through its flange portions interfacing with the stud web). This combined approach prevents both twisting and parallel shifting that occur with separate components

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The connector extends the stabilization function into a new dimension by adding flange portions that contact the stud web laterally, in addition to the vertical bridging member interface. This multi-dimensional approach simultaneously resists torsional loads and lateral forces that would otherwise cause stud shifting

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Reliability

If short bridging members with tailored ends are used to span adjacent studs, then stud stabilization is achieved, but material usage increases and fastener requirements increase

Engineering Contradiction:

Improvestabilization effectivenessVSAvoidmaterial quantity

Core Design Contradiction:

ReliabilityVSQuantity of substance

Solution Approach 1:

The connector design is universal and multi-functional: it stabilizes studs, connects to the bridging member, and accommodates various stud spacings all through a single standardized component. The flange portions can engage with studs at different positions along the bridging member length, eliminating the need for multiple specialized components

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The connector incorporates dynamic adaptability through its flange configuration, allowing it to adjust to varying stud spacings and positions. The flange portions can engage with studs at different locations along the bridging member, providing flexibility without requiring custom-length members or additional fasteners

Inventive Principle:

Principle #15Dynamics

4Adaptability or versatility

If elongated bridging members with slots are used to mate with stud openings, then stud alignment is maintained, but connection strength is reduced and spacing variations cannot be accommodated

Engineering Contradiction:

Improvespacing accommodationVSAvoidconnection strength

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The connector applies local quality by concentrating connection strength at specific strategic locations: the flange portions contact the stud web at optimized positions for maximum lateral resistance, while the body portion provides focused engagement with the bridging member. This localized reinforcement maintains strength while allowing overall spacing flexibility

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS11065667B2Offset notch bridging connector

Publication Date: 2021.07.20 SIMPSON STRONG TIE

AI summary

A connection between metal studs and bridging members using a separate light gauge bridging connector with longitudinally-offset interface notches.