Tool-Free Tubular Bed Frame Assembly for Adjustable Mattress Sizes
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Solution Overview
Problem
Bed frames are difficult to assemble due to the need for various tools and components, and they often require specific tools for assembly, which can be cumbersome and inefficient, especially when accommodating different mattress sizes and requiring strength beyond traditional angled steel frames.
Innovation Solution
A tubular bed frame assembly with interlocking cross-support members and retaining members using a releasable joint mechanism, allowing for tool-free assembly and adjustment, featuring tubular side rails and cross-support members with adjustable positioning apertures for accommodating different mattress sizes and enhanced strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional fastening mechanisms (screws, nuts, bolts) are used to assemble bed frame components, then the structural strength and stability are improved, but the assembly complexity and tool requirements increase
Solution Approach 1:
The patent merges the fastening function and structural support function into a single integrated tubular component. The tubular side rails and cross support members are designed with built-in interlocking features that combine structural integrity with assembly functionality, eliminating the need for separate fastening mechanisms and reducing overall assembly complexity while maintaining strength
Solution Approach 2:
The tubular components are designed with self-aligning and self-securing features. The interlocking mechanism allows components to automatically find their correct position and secure themselves without requiring external tools or complex assembly procedures, making the assembly process self-service oriented
2Ease of manufacture
If multiple distinct tools are provided for different fastening mechanisms, then the assembly capability is improved, but the ease of operation and user convenience deteriorate
Solution Approach 1:
The patent employs a universal interlocking mechanism that works across all tubular components regardless of their specific function or position in the bed frame. This single standardized connection method replaces multiple specialized tools and fastening types, making the assembly process universally applicable and user-friendly while maintaining full assembly capability
3Volume of moving object
If bed frames are stored and shipped in disassembled state, then the storage space and handling ease are improved, but the assembly time and potential for tool misplacement increase
Solution Approach 1:
The bed frame is segmented into modular tubular components (side rails, cross support members, headboard, footboard) that can be independently packaged and shipped. This segmentation reduces storage volume and improves handling ease, while the standardized interlocking mechanism ensures rapid reassembly by simply connecting the pre-packaged modules without requiring tools or complex procedures
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
Enables efficient, tool-free assembly and adjustment of bed frames, accommodating various mattress sizes while providing increased strength and cost-effectiveness by eliminating the need for additional tools and simplifying the assembly process.
Implementation Method 1
The retractable springing protrusions which extend from the retaining members are protrusions on the ends of spring clips which extend from apertures on the sides of the retaining members
Data Source
AI summary
A bed frame assembly that can be assembled without additional tools. The bed frame assembly has two tubular side rails spaced a distance apart and arranged parallel to each other. The side rails are spaced apart for a distance at least equal to the length of a cross support member. Cross support members span the cross-support length between the tubular rails to support a mattress or a box spring over the distance between the two side rails. Retaining members which are used to secure the cross support members in position extend from opposing sides of the tubular side rail pair. The retaining members and the cross support members interlock via a releasable joint mechanism. The position of the releasable joint mechanism can vary to allow for adjustability in the cross support length to accommodate mattresses of different sizes.