Flotation Device with Segmented Inflatable Core and Safety Ring

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Solution Overview

Problem

Conventional flotation devices for young children often fail to provide secure fit, stability, and adequate protection against submersion, as they may detach or not keep the child's head above water due to buoyancy and stability issues.

Innovation Solution

A flotation device comprising a pants portion and an inflatable core with separate chambers, coupled to a shirt portion and a safety ring, providing a secure fit and enhanced stability and buoyancy through stretchable fabric, non-chafing trim, and a rubber core that can be inserted into a safety ring for additional support.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional flotation device is used, then the child can be kept afloat, but the device may detach or fail to maintain secure fit

Engineering Contradiction:
Improvesecure fitVSAvoiddetachment risk
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The flotation device is divided into separate functional components: a wearable portion with stretchable fabric for secure fit, a separate inflatable core for buoyancy, and a safety ring for additional support. This segmentation allows each component to be optimized for its specific function while working together to prevent detachment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The inflatable core is designed to be inserted into the safety ring, creating a nested structure where the safety ring provides an outer layer of protection and support. This nested configuration ensures that if the inflatable core were to fail, the safety ring would still provide buoyancy and prevent submersion.

Inventive Principle:
Principle #7Nested doll (Nesting)

2Stability of the object's composition

If the inflatable core is made rigid for stability, then buoyancy is improved, but comfort and adaptability to child's body reduce

Engineering Contradiction:
ImprovestabilityVSAvoidadaptability to child's body
Core Design Contradiction:
Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The inflatable core has different chamber configurations that can be inflated independently, allowing different regions of the core to have different levels of rigidity. The wearables use stretchable fabric that is rigid when inflated but flexible during inflation, providing both comfort and stability.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The inflatable core transitions from a flexible, compressible state during inflation to a rigid, stable state when inflated. The stretchable fabric wearables dynamically adjust to the child's body shape during inflation, then maintain a stable form when inflated, providing both adaptability and stability.

Inventive Principle:
Principle #15Dynamics

3Ease of manufacture

If the flotation device uses simple construction, then ease of manufacture is improved, but safety and protection against submersion are reduced

Engineering Contradiction:
Improveconstruction simplicityVSAvoidsafety protection
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The device is constructed from separate, simple components (wearable portion, inflatable core, safety ring) that can be manufactured independently using standard techniques, then assembled together. This segmentation maintains ease of manufacture while enabling complex safety functionality through the combination of components.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The safety ring provides a pre-prepared backup buoyancy system that is already in place before the inflatable core is used. This beforehand cushioning ensures that if the inflatable core fails, the safety ring immediately provides protection against submersion, enhancing safety without complicating the primary inflation mechanism.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

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 the child remains upright and securely above water with improved stability, safety, and comfort, as the inflatable core is maintained at the midsection and supported by the safety ring, preventing detachment and ensuring the child's head remains above water.

Implementation Method 1

an inflatable core coupled to the pants portion and configured to encircle the midsection of the user... the inflatable core is made of rubber... the exterior chamber has a larger diameter than the interior chamber

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Implementation Method 2

at least one of the pants portion and the shirt portion is made of stretchable fabric

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 3

the bottom surface includes at least one grip pad for securing the bottom surface to the inflatable core

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS8926386B2Flotation device for improved safety
Publication Date: 2015.01.06 AQUA LEISURE RECREATION LLC
  • US8926386B2 patent drawing
  • US8926386B2 patent drawing
  • US8926386B2 patent drawing

AI summary

According to one aspect, embodiments of the invention provide a construction for a flotation device, the construction comprising a pants portion configured to be worn on the lower body of a user, and an inflatable core coupled to the pants portion and configured to encircle the midsection of the user, wherein the inflatable core includes a first chamber and a second chamber, each chamber configured to encircle the midsection of the user and to be separately inflatable.