Foldable Bed Storage Chest with A-Frame Hinge Transition Mechanism
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Solution Overview
Problem
Furniture designed to store foldable beds often occupies too much space in limited environments, and existing solutions do not effectively utilize space or provide adequate support for the sleeping platform when converted from a folded to an unfolded state.
Innovation Solution
A furniture design featuring a front panel with A-frame hinges that rotate to transition a sleeping platform between folded and unfolded states, supported by thicker side rails and foldable rear legs, with flat springs to maintain the unfolded position until sufficient pressure is applied, allowing the platform to be stored within the chest when closed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a futon bed is used as sitting or sleeping furniture, then space utilization is improved, but the furniture still occupies too much space in limited environments
Solution Approach 1:
The sleeping platform is nested within the chest structure, allowing it to be stored inside the furniture when not in use. The platform can be folded and positioned within the chest cavity, eliminating the need for separate storage space and reducing overall footprint in limited environments.
Solution Approach 2:
The chest serves multiple functions: it acts as both storage furniture and a bed frame. The sleeping platform integrated within the chest provides sleeping functionality, while the chest itself offers storage capacity, eliminating the need for separate bed and storage furniture.
2Adaptability or versatility
If the front panel is made foldable with A-frame hinges, then the sleeping platform can be transitioned between folded and unfolded states, but the device complexity increases
Solution Approach 1:
The front panel is divided into multiple portions that can be independently folded and positioned. This segmentation allows the panel to transition between different states (folded/unfolded) while maintaining structural integrity and simplifying the overall folding mechanism through modular design.
3Strength
If thicker side rails are used to support the sleeping platform, then load-bearing capacity is improved, but the manufacturing complexity and material usage increase
Solution Approach 1:
Thicker side rails are specifically positioned at critical load-bearing locations where the sleeping platform requires maximum support. This localized reinforcement provides necessary strength while minimizing overall material usage and maintaining manufacturing simplicity in non-critical areas.
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 design efficiently utilizes space by allowing the sleeping platform to be stored within the chest when closed and provides stable support when unfolded, addressing the issue of space occupancy and support in multifunctional furniture.
Implementation Method 1
the second portion of the front panel connected to the first portion of the front panel via a pair of A-frame hinges such that the second portion of the front panel is configured to rotate relative to the first portion of the front panel
Implementation Method 2
the chest further includes flat springs attached to an interior of the first portion of the front panel, the flat springs configured to urge the foldable rear legs to remain unfolded until a sufficient pressure is applied thereto
Data Source
AI summary
A chest including a front panel, side panels and a top panel, the front panel including a front panel, side panels and a top panel, the front panel including a first portion and a second portion, the first portion of the front panel being hingably connected to a base of the chest, and the second portion of the front panel connected to the first portion of the front panel via a pair of A-frame hinges such that the second portion of the front panel is configured to rotate relative to the first portion of the front panel to transition a sleeping platform between a folded state to an unfolded state.