Wall Plumbing and Leveling Framing Devices for Stud Correction
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Solution Overview
Problem
Stud-framed walls often fail to be plumb, level, and square due to manufacturing defects and improper installation, leading to flaws in wall finishes and increased material and labor costs in conventional correction methods.
Innovation Solution
A framing device with a U-shaped or L-shaped profile is attached to studs, ensuring vertical and horizontal alignment, allowing for precise plumb and level correction without additional studs, minimizing material and labor costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional methods attach additional studs to correct plumb and level flaws, then the alignment precision is improved, but the material cost and labor cost increase significantly
Solution Approach 1:
The patent introduces a shimming system as an intermediary between the existing stud and the wall finish. The shims (thin wedge-shaped or tapered elements) act as a mediator that compensates for stud misalignment without requiring additional structural studs. This resolves the contradiction by achieving alignment precision through a non-structural intermediary element rather than adding more structural material.
Solution Approach 2:
The patent changes the parameter of the correction approach from adding structural mass (additional studs) to adjusting geometric parameters (shim thickness and wedge angle). By varying the shim thickness or wedge angle, the system can compensate for different degrees of misalignment, achieving precision correction with minimal material.
2Manufacturing precision
If additional studs are added to correct wall alignment, then the plumb and level accuracy is improved, but the device complexity and interference with other trades increases
Solution Approach 1:
The shimming system serves as a simple intermediary that sits between the stud and wall finish without complicating the overall wall assembly. It avoids the complexity of additional structural elements, connections, and potential interference with electrical/plumbing trades that would result from adding more studs.
Solution Approach 2:
The patent extracts the alignment correction function from the structural stud system and places it in a separate, non-structural shimming layer. This separation allows the correction mechanism to be independent of the structural framework, reducing device complexity and avoiding interference with other building systems.
3Manufacturing precision
If mortar is used to correct stud alignment behind backer board, then the wall finish alignment is improved, but the installation time and process difficulty increase
Solution Approach 1:
The shims are designed as disposable, pre-formed correction elements that are quickly installed and then concealed by the wall finish. Unlike mortar which requires mixing, application, and extended curing time, the shims can be instantly installed and provide immediate correction, dramatically reducing installation time while achieving the same alignment precision.
4Productivity
If studs are installed quickly through modern lumber production, then the productivity is improved, but the manufacturing precision and straightness of studs deteriorate
Solution Approach 1:
The shimming system is designed to be self-adjusting and self-aligning. The shims can be easily inserted and adjusted by the installer without requiring specialized tools or skills, allowing the correction process to be performed quickly on-site. This self-service approach compensates for the reduced stud quality resulting from rapid modern production.
Solution Approach 2:
The shims are pre-formed and pre-sized to specific thicknesses and angles before installation. This preliminary preparation of correction elements allows for rapid on-site installation without requiring complex measurement and fabrication during construction, maintaining productivity while correcting for stud imperfections.
Data Source
AI summary
Correcting material and installation defects in stud-framed walls includes installing framing devices over an edge of the studs in the wall. The front face of each framing device is aligned vertically and horizontally with each other framing device while securing the framing devices to the studs of the wall. Additionally, the framing devices on one wall can be aligned square with framing devices on an adjacent wall. Then, the wall finishes are attached to the wall face by attaching the finishes to the front face of each framing device.