Self-Supporting Gutter Guard Girder Structure for Debris Blocking
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Solution Overview
Problem
Existing gutter guards often require complicated frame structures for support, leading to issues with cost, installation complexity, and inadequate debris prevention, especially in heavy weather conditions.
Innovation Solution
A self-supporting gutter guard system utilizing a single piece of perforated sheet material with integrated girders and a micromesh decking that spans the gutter opening, eliminating the need for separate support frames and enhancing debris prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional gutter guards use separate frame structures for support, then structural strength is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent combines the support frame and the gutter guard body into a single integrated unit. The gutter guard includes a front support, rear support, and side supports that form a unified structure, eliminating the need for separate frame assemblies and reducing installation steps while maintaining structural integrity.
Solution Approach 2:
The integrated support structure serves multiple functions simultaneously: it provides structural support, defines the gutter guard boundaries, and facilitates installation through built-in attachment features. The side supports with notches and attachment members perform both structural and mounting functions.
2Ease of manufacture
If gutter guards use simple single-piece construction, then ease of manufacture and installation are improved, but structural strength and debris prevention effectiveness deteriorate
Solution Approach 1:
The gutter guard is divided into distinct functional segments (front support, rear support, side supports, and bridge member) that are integrated into a single piece. This segmentation allows each component to be optimized for its specific function while maintaining manufacturability through single-piece fabrication processes.
Solution Approach 2:
Different portions of the single-piece gutter guard have different structural properties optimized for their locations. The side supports feature notches and attachment members for mounting, the bridge member has specific geometry for spanning the gutter, and the overall structure incorporates varying thicknesses and shapes to provide strength where needed while maintaining ease of manufacture.
3Productivity
If gutter guards have large opening for water collection, then water flow capability is improved, but debris entry increases
Solution Approach 1:
The gutter guard employs a bridge member with a porous or perforated structure that allows water to pass through while blocking debris. The interconnected openings in the bridge member enable water flow while the structural framework prevents leaves and other debris from entering the gutter.
Solution Approach 2:
The gutter guard combines different material properties in its various components. The support structures use solid, rigid materials for strength, while the bridge member incorporates porous or perforated sections for selective permeability, creating a composite structure that simultaneously enables water flow and blocks debris.
Data Source
AI summary
A gutter guard device is described, comprising, a bridge member composed of a sheet or micro-mesh decking material having a plurality of orifices, and having a roof side and an opposing gutter lip side; at least one girder spanning a bottom surface of the bridge member from a proximal end of the bridge member's roof side to a proximal end of the bridge member's gutter lip side; a roof attachment member attached to an end section of the roof side of the bridge member and configured to attach to a roof; and a gutter attachment member attached to an end section of the gutter lip side of the bridge member and configured to attach to a gutter lip, wherein the device is self-supporting.