Collapsible Mattress Support With Adjustable Cross Bars
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Solution Overview
Problem
Conventional bed frames are cumbersome to assemble, heavy, and require extensive storage space due to their length and weight, making them difficult to transport and assemble without tools.
Innovation Solution
A collapsible mattress support system with hinge plates and pivotally attached side bars that can be easily assembled and disassembled, allowing for compact packaging and lightweight transportation, featuring extendable cross bars to accommodate various mattress sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional bed frames are made with single-piece side rails and multiple cross bar members to ensure structural integrity, then the bed frame is stable and strong, but the packing box length becomes as long as the mattress and the weight increases
Solution Approach 1:
The side rails are divided into multiple telescoping sections that can slide within each other. Each section is a separate component that can be nested, allowing the side rail to be compacted to a fraction of its extended length for shipping while maintaining full length for use. This segmentation resolves the contradiction by enabling compact packaging without sacrificing structural integrity when assembled.
Solution Approach 2:
The telescoping side rail sections are designed to nest within each other like nested dolls, with smaller sections fitting inside larger ones. This nesting mechanism allows the side rails to be collapsed to minimal length for shipping while extending to full length for bed frame assembly, directly addressing the packing box length issue while preserving strength.
2Stability of the object's composition
If conventional bed frames use heavy steel L-shaped side rails and cross bar members for stability, then the bed frame is strong and stable, but the weight increases resulting in higher shipping costs and difficulty of assembly
Solution Approach 1:
The bed frame transitions from a static, fixed structure to a dynamic, adjustable structure with telescoping sections that can be extended or retracted. This dynamic design allows the frame to be compact for shipping and then expanded to full size for use, reducing the effective weight that needs to be transported while maintaining full structural capability when assembled.
Solution Approach 2:
The side rails utilize telescoping mechanisms that change the physical parameters of the structure - specifically the extended length and effective weight during shipping versus the full extended length and structural weight during use. This parameter change allows optimization of both shipping weight and structural integrity at different stages of the product lifecycle.
3Adaptability or versatility
If conventional bed frames require multiple tools and non-intuitive assembly steps for cross bar member connection, then the cross bar members can be adjusted to different widths, but the assembly process becomes cumbersome and time-consuming
Solution Approach 1:
The telescoping side rail sections incorporate self-aligning features and intuitive connection mechanisms that allow users to assemble the bed frame without specialized tools or complex procedures. The sections naturally guide themselves into proper alignment during assembly, and the telescoping mechanism provides self-evident connection points, making the process straightforward and tool-free while maintaining adjustability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system allows for easy assembly and compact storage, reducing shipping costs and space requirements while maintaining structural integrity and stability for different mattress sizes.
Implementation Method 1
hinge plates on opposite sides of a middle cross bar... First and second side bars are pivotally attached to one hinge plate, and third and fourth side bars are pivotally attached to the other hinge plate. Each of the bars rotates about axes that are parallel to one another and orthogonal to the hinge plates.
Data Source
AI summary
An adjustable, collapsible mattress support for a box spring has cross bars with slidably connected sections. A first section of each cross bar is fixedly attached to a band that folds around the second section and slides along the second section. A bolt that passes through holes in the second section slides into a slot in the band. By aligning the slot over one of the holes through which the bolt passes, the length of the cross bars can be adjusted to accommodate the widths of different sized box springs and mattresses. The first section is fixedly attached to a hinge plate. First and second bars are pivotally attached to the plate. The first and second bars pivot about parallel axes that pass through the plate at separate fixed locations and that are orthogonal to the plate. The mattress support accommodates full, Queen, California King and Eastern King sized mattresses.