Roof Sheathing Bracket System with Segmented J-C-Short Brackets
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Solution Overview
Problem
Existing sheathing fastening bracket systems do not effectively couple roof assembly components in a safe, convenient, and economical manner.
Innovation Solution
A sheathing fastening bracket system comprising J-shaped, C-shaped, and short brackets that securely couple roofing sheets to rafters and sub-fascia boards, featuring specific configurations and fastener holes for efficient assembly, with pointers for alignment and access holes for easy installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional sheathing fastening brackets are used to couple roof assembly components, then basic fastening function is achieved, but the coupling is not safe, convenient, or economical
Solution Approach 1:
The bracket is divided into multiple functional sections: a body portion for mounting to the rafter, an extension portion for mounting to the roofing sheet, and intermediate sections for structural connection. This segmentation allows each portion to be optimized for its specific function while maintaining overall simplicity.
Solution Approach 2:
The bracket design provides multiple mounting surfaces and attachment points that can accommodate various roofing sheet configurations and rafter spacings. The same bracket type can be used across different positions in the roof assembly, reducing the number of different component types needed.
2Ease of operation
If conventional sheathing fastening brackets are used, then basic fastening is achieved, but installation is not convenient
Solution Approach 1:
The bracket is pre-configured with properly spaced fastener holes and attachment points before installation. The body portion, extension portion, and intermediate sections are pre-formed with the correct geometry, eliminating the need for field adjustments or complex assembly procedures during installation.
Solution Approach 2:
The intermediate sections serve as mediators that connect the body portion to the extension portion, providing structural support and proper spacing. This intermediary structure simplifies the overall assembly by pre-establishing the geometric relationships between mounting surfaces.
3Ease of manufacture
If conventional sheathing fastening brackets are used, then basic fastening is achieved, but manufacturing and labor costs are not economical
Solution Approach 1:
The bracket integrates multiple functions into a single component: mounting to the rafter, mounting to the roofing sheet, providing structural support, and ensuring proper spacing. This merging eliminates the need for multiple separate components, reducing manufacturing complexity and material usage while maintaining coupling durability.
Solution Approach 2:
The bracket design optimizes the geometry and dimensions of each portion to achieve the required strength and spacing requirements. By carefully selecting the thickness, length, and shape of the body portion, extension portion, and intermediate sections, the design achieves adequate durability with minimal material usage.
Data Source
AI summary
Each of a plurality of sheets, including a lowermost sheet, have an upper edge, a lower edge, parallel side edges, an upper surface, and a lower surface. A support includes a lower board beneath the sheets adjacent to the lower edges. Parallel boards beneath the sheets are at locations adjacent to and at spaced parallel locations between the side edges. Long brackets couple the lower edge of the lowermost sheet to one of the parallel boards and the lower board. Straight brackets couple one of the side edges of one of the sheets to one of the parallel boards there beneath. Short brackets couple the upper and lower edges of two adjacent of the sheets to one of the parallel boards there beneath.