Inflatable portable ledge apparatus
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Solution Overview
Problem
Existing portable ledge apparatuses lack efficient load distribution and height adjustment mechanisms, particularly when anchored at a single point, and often fail to provide adequate insulation and versatility for various outdoor activities.
Innovation Solution
A portable ledge apparatus featuring an inflatable platform with transverse and longitudinal baffles for load distribution, suspension straps for anchoring, and a height-adjustment assembly using a braided cord system with a hollow sub-portion and anchor-point loop to manage load height, along with insulation and reflective materials for thermal regulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the portable ledge apparatus is anchored at a single point, then it simplifies the anchoring process and reduces the number of anchor points needed, but the load becomes concentrated on fewer suspension straps causing uneven load distribution
Solution Approach 1:
The suspension system is segmented into multiple independent suspension straps (at least three) connected to the inflatable platform at multiple attachment points. When anchored at a single point, these segmented straps distribute the concentrated load from the single anchor point across multiple connection points on the platform, achieving even load distribution while maintaining simple single-point anchoring.
2Device complexity
If the inflatable platform uses a simple single-chamber design, then it reduces manufacturing complexity and the number of components, but it provides inadequate insulation and thermal regulation
Solution Approach 1:
The inflatable platform is divided into multiple separate air chambers (at least three baffles creating distinct chambers) instead of using a single large chamber. This segmentation increases the insulation performance by creating multiple air pockets that trap heat more effectively, while also allowing independent inflation and repair of individual chambers without affecting the entire platform.
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 solution ensures even load distribution across multiple suspension straps, allows for height adjustment, and provides effective thermal insulation, making the apparatus versatile for different outdoor uses, including suspension from vertical faces and use as a stretcher.
Implementation Method 1
The baffles are positioned to align below a person lying on top of the inflatable platform and the air spaces defined by the baffles reduce conductive heat loss
Implementation Method 2
The suspended load causing the hollow sub-portion to constrict in cross-section and frictionally engage the first end portion of rope
Data Source
AI summary
An inflatable portable ledge apparatus comprises an inflatable platform having a plurality of transverse baffles and a plurality of longitudinal baffles. There are a plurality of suspension straps connected to the inflatable platform. The suspension straps are connected the inflatable platform so that a load on the inflatable platform is distributed across all the suspension straps when the portable ledge apparatus is anchored at a single point.