Folding Platform Bed Frame With Suspension Legs for Sag Control
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Solution Overview
Problem
Platform bed frames with folding designs have structural complexity, high cost, limited weight capacity, and insufficient support for larger mattresses, leading to sagging issues and inefficient packaging and display.
Innovation Solution
A platform bed frame design featuring two frame segments connected by hinge connections, leg assemblies, rotating hook members, and a resilient suspension leg system with telescoping sections and compressible members, providing increased structural rigidity, weight capacity, and a smaller footprint for easier assembly and display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a folding design is used to reduce packaging footprint, then the bed frame can be folded into a smaller size, but the structural complexity and manufacturing cost increase due to complex hinge requirements
Solution Approach 1:
The bed frame is divided into two separate frame segments that can be folded relative to each other. This segmentation allows the frame to be collapsed into a compact configuration for shipping and storage, reducing packaging footprint while using simpler hinge connections at the interface between segments.
Solution Approach 2:
The bed frame incorporates movable hinge connections that allow the frame to transition between an extended operational configuration and a collapsed storage configuration. This dynamic capability enables the frame to adapt its volume based on whether it is in use or being stored/shipped.
2Adaptability or versatility
If connecting bars are used to connect two frames together, then the frames can be assembled to support larger mattresses, but the mattress sags between the connecting bars due to insufficient support
Solution Approach 1:
Instead of relying solely on horizontal connecting bars, the invention introduces vertical support elements (legs) that extend downward from the frame segments. These legs provide additional support points in the vertical dimension, preventing mattress sagging while still allowing the frames to be connected horizontally to accommodate larger mattresses.
Solution Approach 2:
The patent introduces intermediate support structures (additional legs and cross-bracing) between the connecting bars and the mattress. These intermediary elements distribute the mattress weight more evenly across multiple contact points, preventing sagging while maintaining the ability to support larger mattress sizes.
3Strength
If extruded materials and extensive welding are used in construction, then the structural strength is improved, but the manufacturing cost increases
Solution Approach 1:
The invention combines multiple structural functions into integrated components. The frame segments incorporate both structural support elements and connection mechanisms in unified designs, reducing the need for separate welded joints and expensive extruded materials while maintaining structural strength.
Solution Approach 2:
The patent employs simpler, more cost-effective materials and construction methods that can be easily assembled and disassembled. Instead of relying on permanent welded joints and expensive extruded materials, the design uses bolted connections and standard gauge metals that are more economical while providing sufficient strength for the application.
4Stability of the object's composition
If the bed frame is designed with fixed legs, then the structural stability is improved, but the packaging footprint increases due to inability to fold
Solution Approach 1:
The legs are designed with hinge connections that allow them to be positioned at various angles. During operation, the legs extend downward to provide stable support. During storage or shipping, the legs can be folded upward parallel to the frame segments, significantly reducing the overall volume without compromising structural stability when deployed.
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 improved platform bed frame offers enhanced structural rigidity and weight capacity, prevents mattress sagging, and facilitates easier packaging and display by folding into a smaller footprint, while reducing costs through simpler construction and assembly.
Implementation Method 1
a compressible, resilient member controlling movement of the telescoping sections
Data Source
AI summary
A platform bed frame includes two frame segments connected by hinge connections, leg assemblies connected to the two frame segments, a rotating hook member pivotally secured to one of the frame segments; and a securing extension attached to the other frame segment, and the rotating hook and extension allow two bed frames to be secured together. Alternately, the frame may include an extension and T-slot to connect two frames. A related improvement is a suspension leg including telescoping sections and a compressible, resilient member controlling movement of the telescoping sections. Another related improvement relates to a frame structure with connected angled supports and slats connected thereto to form the mattress supporting surface.