Folding Mattress Support Frame With Modular Width Adjustment
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Solution Overview
Problem
Conventional folding bed frames are heavy, awkward, and not adaptable to different mattress sizes, leading to increased manufacturing costs and difficulties in transportation and installation.
Innovation Solution
A folding bed frame with standardized right and left bed frame assemblies connected by central connecting bars, allowing for adjustable widths and easy disassembly for transportation, along with leg brackets and edge attachments for support and packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional unitary bed frame structure is used, then bearing strength is sufficient, but weight increases and transportation becomes difficult
Solution Approach 1:
The bed frame is divided into multiple standardized frame assemblies (right and left assemblies) that can be manufactured separately and connected by central connecting bars. This segmentation reduces the weight of individual components, making them easier to transport and handle, while the assembled structure maintains sufficient bearing strength to support mattresses.
2Stability of the object's composition
If conventional unitary bed frame is used, then structural stability is maintained, but adaptability to different mattress sizes is poor
Solution Approach 1:
The standardized frame assemblies are designed to be universal components that can be configured to accommodate multiple mattress dimensions (single, twin, full, double, queen, king, and California king). The same basic assembly design serves multiple functions by adjusting the number and arrangement of assemblies and connecting bars, eliminating the need for different frame designs for different mattress sizes.
3Strength
If thick cross-bars are used to provide bearing strength, then support capability is sufficient, but device complexity and manufacturing cost increase
Solution Approach 1:
Instead of using thick cross-bars in a unitary structure, the frame is segmented into multiple standardized assemblies with thinner bars spaced at smaller intervals. This segmentation distributes the load across multiple components, allowing the use of lighter individual elements while maintaining overall structural strength and reducing manufacturing complexity.
4Ease of manufacture
If standardized frame assemblies are used, then manufacturing cost decreases, but assembly complexity increases
Solution Approach 1:
The standardized frame assemblies are designed as universal, modular units that simplify manufacturing through standardization. While the number of components increases, each assembly is identical and can be manufactured using the same processes, reducing per-unit manufacturing costs. The modular design actually simplifies assembly compared to custom-fit unitary frames, as standardized components can be quickly connected using the central connecting bars.
Data Source
AI summary
A folding mattress support system replaces both a conventional box spring and the bed frame with rails. The mattress support system is lighter, quieter and easier to transport, and also provides more storage space beneath the mattress. The mattress support system includes bed frame assemblies, central connecting bars, edge attachments and a bed skirt. Leg brackets fold out from the bed frame assemblies, which themselves unfold in the middle. Central connecting bars connect inner side edges of the bed frame assemblies. Plastic edge attachments are attached at outer corners of the bed frame assemblies and hold a bed skirt taught around the frame assemblies when the frame assemblies are standing on the extended leg brackets. A mattress is then placed on top of the assembled mattress support system. Optionally, metal edge attachments at the head corners of the mattress support system both hold the bed skirt and support a headboard.