Felt Ceiling Baffle End Interlock Design
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Solution Overview
Problem
Existing ceiling baffles constructed from felt lack a mechanism to effectively maintain their folded structure, leading to potential unfolding and loss of planarity.
Innovation Solution
A folded ceiling baffle design featuring protrusions and corresponding spaces at the ends, combined with inner flaps that engage to resist movement and maintain planarity, along with an optional elongate support element for secure suspension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the ceiling baffle is constructed from a folded sheet of felt, then the ease of manufacture and assembly is improved, but the structural stability and resistance to unfolding deteriorates
Solution Approach 1:
The felt sheet is divided into multiple foldable sections (first fold, second fold, third fold) that can be independently assembled. The protrusions and recesses segment the folded structure into discrete units that interlock, maintaining stability while preserving ease of assembly.
Solution Approach 2:
The protrusions and corresponding recesses create a nested interlocking mechanism where folded sections fit within and secure to each other. The protrusion of one fold nests into the recess of the adjacent fold, preventing unfolding while maintaining the compact folded structure.
2Stability of the object's composition
If the felt thickness is increased to improve structural stability, then the resistance to unfolding is improved, but the ease of folding and assembly deteriorates
Solution Approach 1:
The felt material has different effective thicknesses at different locations. The protrusions and recesses are strategically positioned to provide localized structural reinforcement where needed for stability, while other areas remain thin and flexible for easy folding and assembly.
Solution Approach 2:
The protrusions and recesses are pre-formed in the felt sheet before folding, creating predetermined interlocking features. This preliminary action ensures that when the sheet is folded, the interlocking features automatically engage to provide structural stability without requiring additional thickening of the entire material.
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 effectively maintains the planar structure of the baffle by preventing unfolding and providing a secure attachment mechanism, ensuring stability and ease of assembly.
Implementation Method 1
the protrusion received in the space resists the first and second end parts unfolding about the first and second side edges respectively
Implementation Method 2
By virtue of the nature of the felt from which the ceiling baffle is constructed and its resilience, the first and second inner flaps may flex/fold outwardly towards a coplanar state
Implementation Method 3
The first planar surface extends from the first inner edge and extends on the same side of the sheet as the outer surface of the first end part and the second planar surface extends from the second inner edge and extends on the same side of the sheet as the outer surface of the second end part. In the folded state of the folded ceiling baffle, the first and second inner flaps may face each other such that, similarly, the first and second planar surfaces face each other.
Data Source
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AI summary
A folded ceiling baffle constructed from a sheet of felt. The baffle includes an elongate base having an elongate first edge and an elongate second edge opposite to the elongate first edge, a first elongate side folded from the elongate base and extending from the first edge to a first top edge, a second elongate side folded from the elongate base and extending from the second edge to a second top edge, the second elongate side facing the first elongate side, a first top portion folded from the first elongate side and extending from the first top edge, and a second top portion folded from the second elongate side portion extending from the second top edge towards the first top portion. A planar first end part is folded from the first elongate side at one end of the baffle and extends to a first inner edge. A planar second end part is folded from the second elongate side at the one end of the baffle, extends to a second inner edge, and aligns with the first inner edge so that the first and second end parts together form a planar end portion at the one end of the baffle. The first end part includes a coplanar protrusion extending from the first inner edge. The second end part includes a space extending inwardly from the second inner edge. The protrusion is received in the space and retains the first end part and the second end part together to form the planar end portion.