H-Beam Spacer With Notched Flanges For Paneled Doors
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Solution Overview
Problem
Hollow-core doors lack structural rigidity and require excessive material and labor for support due to existing spacers that are either costly, difficult to install, or inefficient in providing uniform support across the door's surface, especially with raised panels.
Innovation Solution
An H-beam spacer configuration with notched flanges and a perpendicular web that fits snugly over raised panels, reducing material and glue usage while allowing for easier installation and improved structural support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional expandable spacers are used to provide structural support, then the door gains some rigidity, but the spacers are difficult to install and do not provide uniform support across raised panels
Solution Approach 1:
The spacer is divided into multiple notched sections that can be independently positioned and secured to the door skins at different locations, including over raised panels. This segmentation allows the spacer to be installed in modular sections rather than as a single difficult-to-manipulate unit, improving ease of installation while maintaining structural support.
Solution Approach 2:
The spacer incorporates notches at specific locations to accommodate raised panels, creating localized adaptations that allow uniform support across the entire door surface. The notched portions provide enhanced support at critical locations where raised panels create gaps, while maintaining simplicity in other areas.
2Strength
If traditional expandable spacers with grids fill the entire hollow core, then support is provided across the door, but material cost and weight increase significantly
Solution Approach 1:
The invention extracts only the essential support function from the traditional grid-filled hollow core approach. Instead of filling the entire core with material, the spacer provides targeted support at critical locations using minimal material, removing unnecessary substance while maintaining structural integrity.
Solution Approach 2:
The spacer utilizes a notched, open-structure design that provides support through strategic voids and openings rather than solid material. The notched portions create controlled empty spaces that accommodate raised panels while maintaining structural support, reducing material quantity without compromising strength.
3Strength
If traditional spacers are used, then some structural support is provided, but uniform support across the door surface is not achieved due to gaps near raised panels
Solution Approach 1:
The spacer incorporates notches at specific locations to accommodate raised panels, creating localized adaptations that allow uniform support across the entire door surface. The notched portions provide enhanced support at critical locations where raised panels create gaps, while maintaining simplicity in other areas.
Solution Approach 2:
The spacer design allows for flexible positioning and securing at multiple locations along the door surface. The notched sections can be adjusted to fit different configurations of raised panels, enabling the spacer to adapt dynamically to various door designs and provide uniform support regardless of panel arrangement.
Data Source
AI summary
This spacer for paneled hollow-core doors has an H-beam configuration, with a first flange connected along its length to a second flange along its length by a web. The web is perpendicular to both the first and second flanges. A hollow-core door is assembled by placing the spacer between two door skins. Once the door is assembled, the web is parallel to the door skins. To accommodate the variation in distance between the bottom and top skins that is created by the raised panels, the bottom edge of each flange has one or more bottom notches that fits closely over the raised portion of the panel in the bottom skin and one or more top notches that fits closely over the raised portion of the panel in the top skin. Preferably only two or three spacers are used in a paneled door, each spacer extending the length of the door.