Foldable RTA Bed Frame Design to Reduce Shipping Volume
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Solution Overview
Problem
Current bed shipping and assembly challenges include large size, high shipping costs due to volumetric measurements, and the need for a compact, easy-to-assemble, and cost-efficient structural system for beds.
Innovation Solution
A ready-to-assemble (RTA) bed structural system with foldable longitudinal frame members and adjustable height legs, featuring vertically or horizontally oriented pivot mechanisms, and deck members that can be folded to form a compact enclosure, allowing for a reduced footprint and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the bed is shipped as a complete assembled structure, then the structural integrity is maintained, but the shipping cost increases due to large volume
Solution Approach 1:
The bed frame is divided into multiple separable components including longitudinal frame members, end members, and deck members that can be independently packaged. This segmentation reduces the overall shipping volume while maintaining structural integrity through designed connection mechanisms.
Solution Approach 2:
Deck members are folded together to form an enclosure that houses other bed components within its interior compartment. This nesting arrangement maximizes space utilization and minimizes the shipping footprint while ensuring all parts are securely contained.
2Volume of stationary object
If the bed is disassembled into multiple pieces for shipping, then the shipping cost is reduced, but the assembly complexity increases
Solution Approach 1:
The bed is segmented into modular components with standardized connection interfaces. Each segment is designed to be easily connected to others through simple joining mechanisms, reducing assembly complexity despite the multi-piece configuration.
Solution Approach 2:
Connection points, mounting brackets, and assembly features are pre-positioned and pre-configured on each component during manufacturing. This preliminary preparation eliminates the need for complex on-site measurements and adjustments, simplifying the final assembly process.
3Strength
If the longitudinal frame members are made rigid for structural stability, then the structural strength is improved, but the ability to fold for compact shipping is reduced
Solution Approach 1:
The longitudinal frame members are divided into multiple rigid segments connected by pivot mechanisms. Each segment maintains structural strength through its rigid construction, while the pivot connections enable folding for compact shipping. This segmentation allows the frame to exhibit both strength and adaptability.
Solution Approach 2:
The frame members incorporate movable pivot connections that allow the structure to transition between rigid extended configurations for use and folded compact configurations for shipping. This dynamic capability enables the frame to adapt its shape while maintaining structural integrity in both states.
4Ease of operation
If deck members are designed as single continuous pieces for comfort, then the cushioned surface quality is improved, but the compactness for shipping is reduced
Solution Approach 1:
The deck members are divided into multiple sections that can be folded together to form a continuous cushioned surface when assembled. Each segment contains cushioning material to maintain comfort quality, while the segmented design allows compact folding for shipping.
Solution Approach 2:
Deck members are folded together in a nested arrangement where one deck member is positioned within or adjacent to another, forming an enclosure. This nesting creates a compact package while the cushioned surfaces remain intact to provide comfort when the bed is assembled.
Data Source
AI summary
A ready to assemble (RTA) bed structural system comprises deck components which can be folded together so as to effectively define an interior compartment within which other components of the bed can be housed. Longitudinally and transversely extending frame members are connected together by leg members of the frame. Deck members are also connected to the frame by quick-latch components.