Inflatable Seating with Drop-Stitch Chambers for Buoyancy and Rigidity
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Solution Overview
Problem
Traditional inflatable furniture is limited by low pressure capabilities, resulting in insufficient buoyancy and rigidity, and is restricted to cylindrical shapes, making it unsuitable for comfortable and rigid seating applications, especially in water environments.
Innovation Solution
The development of a seating apparatus using drop-stitch construction and inflatable chambers that allow pressures greater than 1 PSI, enabling the creation of planar surfaces and providing buoyancy and rigidity, with magnetic connections for securing items and modular interconnectivity for versatile use on both water and firm surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional inflatable chambers are used, then the furniture can be inflated, but the pressure is limited to about 1 PSI above atmospheric pressure, resulting in insufficient buoyancy and rigidity
Solution Approach 1:
The inflatable structure is divided into multiple interconnected chambers instead of a single chamber. This segmentation allows the structure to maintain form and provide rigidity at higher pressures while distributing stress across multiple compartments, preventing catastrophic failure and enabling pressures greater than 1 PSI
Solution Approach 2:
The patent employs curved and rounded geometries in the inflatable chamber design, particularly in the corners and edges, which distribute stress more evenly throughout the structure. This curvature allows the inflatable to withstand higher internal pressures without rupturing, enabling pressures exceeding 1 PSI while maintaining structural integrity and buoyancy
2Ease of operation
If traditional inflatable technology is used, then the furniture can be inflated, but it is restricted to cylindrical and spherical elements, making it unsuitable for comfortable seating applications
Solution Approach 1:
The inflatable seating structure is divided into multiple planar panels and segments that can be arranged to form ergonomic seating geometries. This segmentation allows the creation of flat seating surfaces and backrests rather than cylindrical forms, enabling comfortable seating applications while maintaining inflatable construction
Solution Approach 2:
The patent transitions from traditional two-dimensional cylindrical inflatables to three-dimensional planar panel constructions. By using flat panels connected at edges and corners, the inflatable can create complex seating geometries with proper ergonomics, including flat seating surfaces and angled backrests, rather than being limited to curved cylindrical forms
3Strength
If higher pressure inflatables are used, then rigidity is improved, but the construction becomes limited to spherical and cylindrical elements due to the form that inflatable elements naturally take
Solution Approach 1:
While incorporating curved elements for stress distribution, the patent primarily uses planar panel constructions with flat surfaces. The curvature is applied selectively at corners and connection points rather than throughout the entire structure, allowing rigidity at high pressure while maintaining geometric flexibility for various seating configurations
Solution Approach 2:
The patent employs three-dimensional planar panel assemblies that can be configured in various geometric arrangements. These panels connect through reinforced edges and corners to create rigid structures at high pressures, breaking free from the traditional two-dimensional cylindrical constraint and enabling diverse geometric forms suitable for different seating applications
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 seating apparatus provides comfortable, buoyant, and rigid structures that allow users to sit partially submerged in water with items secured, while being collapsible and suitable for various surfaces, enhancing user experience and functionality.
Implementation Method 1
Inflatable furniture and inflatable products, referred herein as inflatables, devised for outdoor recreation and leisure provide a buoyancy to keep users partially or entirely above the surface of the water on which they are deployed
Data Source
AI summary
The present invention surrounds a seating apparatus having an arm-rest assembly configured to traverse behind a seat-back, and arm-rests which extend forward of the seat back. Embodiments discussed herein include an inflatable chamber for providing positive buoyancy and structure. Certain embodiments of the present invention are configured primarily for use in a body of water, while other embodiments are configured for use in water or upon a surface.